Answer:
Respiration is a type of metabolism.
Answer:
C. Respiration is a type of metabolism
Explanation:
Both B and D are incorrect because:
Multicelluar organisms have more than one cell; while singlecelled organisims only have one cell.
Also, homeostasis is a natural way an organisms body reacts to different situations, like when you sweat, your body is realising a way to lower the heat in your body. Therfore, A. is also incorrect.
Hope this helped!
Use the periodic table to complete this equation that represents nuclear fission processes.
233U+'n Ba+ C+3 'n
130
56
92
A:
B:
C
Answer:
the answer is
A: 94
B: 36
C: Kr
The process of nuclear fission will always produce daughter nuclei and more neutrons in the process.
What is nuclear fission?The term nuclear fission has to do with the process in which the nucleus of an atom is bombarded with a particle which makes it to breakup thereby releasing energy in the process.
The question is incomplete as the equation is not clear however, the process of nuclear fission will always produce daughter nuclei and more neutrons in the process. A has the value of 94. B is the element krypton with atomic number 36.
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Atmospheric nitrogen can be fixed by nitrogen-fixing bacteria. Arrange the following forms of nitrogen from the atmospheric N stage to the final form that enters the roots. 1. Ammonia 2. Nitrogen gas 3. Ammonium ion 4. Nitrite 5. Nitrate
Answer:the answer is ammonia
Explanation:the nitrogen fixing bacteria fix the nitrogen as ammonia
Which effects are factors in long-term climate change? Check all that apply.
Answer:
Earth's orbit around the Sun . Right
ice forming on a lake . Wrong
solar energy . Right
volcanic eruptions. Right
thunderstorms. Wrong
Explanation:
Select the correct answer. What’s the significance to scientists of finding a new, unknown fossil?
A. It allows scientists to formulate new theories.
B. It enables scientists to better differentiate among the various species.
C. It proves that there’s an unlimited supply of fossils to be unearthed.
D. It provides evidence of links between evolutionary species.
E. It provides scientists with a reason to continue their research.
Answer: D. It provides evidence of links between evolutionary species.
Explanation: The significance to scientists of finding a new, unknown fossil is that it provides evidence of links between evolutionary species.
Organisms arose as a result of these changes, and some of their remains have been preserved as fossils. An organism's type, life history, and preservation method can all be ascertained by studying a fossil. Thus, option D is correct.
What are the features of finding a new, unknown fossil?They can discover when and how various animals existed millions of years ago by studying fossils. Fossils can sometimes show scientists how the Earth has changed over time.
The discovery of a new, undiscovered fossil is significant to scientists because it shows connections between evolutionary species.
Fossils with remarkably similar geometries are thought to be from the same species. It is considered that fossils with somewhat differing geometries come from a separate species. Usually, the fossil species has been researched and given a name.
Therefore, It provides evidence of links between evolutionary species.
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• Which category of energy interested you the most? Choose from one of the following: fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.
Answer:
nuclear energy
Explanation:
coz nuclear energy are awesome
Im interested in solar energy.
The career area that is interesting is pure research into new science.
How does a scientist use solar energy in pure research to develop new ways in science?
What is pure research?
How can a scientist get solar energy?
What does a scientist do in pure research?
When do scientist know they found a new way?
How can they propose the new way of science?
Interviews
Wikipedia
News
Web
Magazines
Many male birds will expend A great deal of energy building nests. Females will mate with the males who build the best nest. This is best described as an example of ___.
a) natural selection
b) sexual selection
c) runaway selection
d) an invasive species
e) disruptive selection
Answer:
B
Explanation:
Female birds mate with the males who build the best nest is the example of option b. sexual selection.
Sexual selection is a mode of natural selection in which one sex members choose the mate with the member of the other sex for mating.
These members of the biological sex prefer opposite sex members for species-specific characteristics in individuals of the other sex such as best building nest in birds. Other male birds compete with members of the same sex to get selected by members of the female birds in this instance.Thus, the correct answer is option b. sexual selection as female birds prefers species-specific traits to select their mating partner by best nest building by males.
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Match the causes with their effects.
Answer:
"destroys->deforestation"
"Oil spills->harms aquatic"
"injecting->pollutes"
1. deforestation
2. injecting fracking fluids into the ground
3. oil spills during transport on a ship
Which best describes a scientific theory?
A. An idea that is supported by many different experiments
B. A hypothesis that is proven true with an experiment
C. The conclusion of a single scientist about a hypothesis
D. An educated guess about an aspect of nature
Answer:
Hey there!
A theory can be best described as an idea that is supported by many different experiments.
Let me know if this helps :)
You experimentally apply a toxin to a muscle and find that it does not contract when you electrically stimulate the motor neuron leading to it. You know that this toxin blocks acetylcholine receptors. Therefore, you suspect that the stimulation of contraction is failing because: Group of answer choices
The question provided is not complete as it lacks the group of choices, however the group of choices are given as follows:
A. A contraction fails to occur because an action potential is not generated in the muscle cell.
B. A contraction fails to occur because this toxin directly prevents ion release from intracellular stores.
C. A contraction fails to occur because neurotransmitter release by the motor neuron is blocked at the neuromuscular junction.
D. A contraction fails to occur because this toxin prevents cross bridge formation and thereby directly prevents contraction.
E. C and D are both true
Answer:
The correct answer is option A : A contraction fails to occur because an action potential is not generated in the muscle cell.
Explanation:
A muscle contraction takes place when action potential bring to muscles by nerves, which is traveled with the help of motor neuron and imitated the muscle contraction.
Acetylcholine or Ach is a chemical messenger to bring the nerve impulses between a nerve and a muscle. If the receptor is block with applying toxin muscle will not contract as ACh will not be able to propagate the nerve impulse to the muscle so there will be no action potential.
The correct answer is option A : A contraction fails to occur because an action potential is not generated in the muscle cell.
Now complete the table. Fill in the name of each food and the amount of each vitamin it contains. Be sure to include the proper units (example: 25 grams). Note that microgram = μg.
Answer:
The three foods with their appropriate food serving and the right amount of nutrients are given below:
1. Egg - 100 gm serving
vitamin C 0 mg
vitamin B12 1.1 microgram
vitamin E 520 IU
sodium 124 milligram
calcium 50 mg
potassium 126 mg
iron 4.3 mg
2. Fish - 85 gm serving
vitamin C 3.1 mg
vitamin B12 2.4 microgram
vitamin E 42.5 IU
sodium 51.9 milligram
calcium 12.8 mg
potassium 326.4 mg
iron 0.3 mg
3. Broccoli - 91 gm serving
vitamin C 81 mg
vitamin B12 0 microgram
vitamin E 1.2 mg
sodium 30 milligram
calcium 44 mg
potassium 287.6 mg
iron 0.7 mg
Answer:
Food 1: Cheese Pizza Food 2: Cola Food 3: Navel Orange
Serving Size: 2 Slices Serving Size: 21 Ounces Serving Size: 1 Medium
Vitamin C 0 0 50.6 mg
Vitamin B12 1.28 µg 0 0
Vitamin E 2.12 mg 0 0
Sodium 1,248 mg 19 mg 0
Calcium 416 mg 10 mg 39 mg
Potassium 336 mg 10 mg 162 mg
Iron 3.72 mg 0.53 mg 0 mg
when lumps of soil for clay, loam and sand are rolled in hands, the ease with which they crumble is always in the reducing order as.
A.clay,sand,loam
B.sand,clay,loam
C.sand,loam,clay
D.clay,loam,sand
Answer:
The correct answer is:
sand, loam, clay (C.)
Explanation:
Arranging the ease of crumbling in reducing other means that the different types of soils are arranged in the order where the soil type most likely to crumble when rolled is written first, and the soil type least likely to crumble is written last. The soil most likely to crumble (scatter) when rolled is the sandy soil, and the least likely to crumble is the clay soil.
How do the leaves help trees survive in their respective biomes? A. The temperate leaves are broad and flat to maximize sunlight absorption, while the taiga leaves are long and thin to minimize sunlight absorption. B. The temperate leaves are thin to minimize absorption of sunlight, while the taiga leaves are specialized to store water during the dry season. C. The temperate leaves shed water during the wet season, while the taiga leaves can enter long periods of dormancy during colder weather. D. The temperate leaves grow in the spring and shed in the cold, while the taiga leaves are dark and wax-coated to prevent the tree from freezing.
Answer:
The correct answer is option D.
Explanation:
The temperate leaves grow in temperate forests found in America, Europe, and Asia. This biome comprise of trees have evergreen conifers with needle like leaves. Such leaves can endure wide change of temperature and light. Some vegetation of temperate biome are conifers such as Pine, Hemlock and other. The trees shed their leaves with the beginning of fall and new leaves are delivered in late-winter to protect from the cold.
On other hand, Taiga forest is the biggest biome on the planet. This biome contain conifers with long, slender waxy needles like leaves. These waxy leaves provide security against freezing temperature and from dying drying out. In contrast to temperate they don't sheds their leaves in winter and keep their needles throughout the entire year.
Thus, the correct answer is option D.
Answer:
D. The temperate leaves grow in the spring and shed in the cold, while the taiga leaves are dark and wax-coated to prevent the tree from freezing
Explanation:
Got it right on Edmentum
TREE TRUNKS STRUCTURE
Sapood
Heartwood
Dead bank
Ure bark
Cambium-
Pith
Growth rings
Medullary rays
4. In tree rings, like those shown, each "ring" of growth represents what?
O A. One year of growth
O B. One season of growth
O C. One month of growth
O D. Two years of growth
What’s the answer ?
Answer:
One year of growth
Explanation:
Tree rings, like those shown, each "ring" of growth represents one year of growth.
Hope this helps, and have a good day :)
What are the similarities and differences of homeothermic organisms and poikilothermic organisms.
Answer:
Poikilothermic organisms are ectothermic (obtain heat from their environments), while homeothermic organisms are endothermic (regulate body temperature physiologically)
Muscle cell are richer in lysosomes , as they require lot of energy. correct and rewrite the following statement.
Answer:
See below
Explanation:
The correct statement is:
=> Muscle cells are richer in mitochondria, as they required lots of energy.
Mitochondrion acts as power house of the cell providing the cell with the required energy.
Muscle cells are richer in Mitochondria, as they require a lot of energy.
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Especially in Skeletal muscles, Mitochondria and glycogen granules are found in abundance. Our limbs that includes our arms and legs shows movement which needs energy. The food is oxidized and energy is released.
More to know:-Mitochondria is popularly known as Power house of the cell or ATP generation site.It is a double-membranous structure with outer membrane smooth and inner membrane surrounds the matrix.The inner membrane have cristae which increase surface area.The cristae bear Oxysomes or F0-F1 particles.Mitocondria is semi-autonomous, it have it's own DNA and ribosomes.━━━━━━━━━━━━━━━━━━━━
Can I please have some help with this -> "2.59 describe the composition of the blood: red blood cells, white blood cells, platelets and plasma 2.60 understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy"
Answer:
red blood cell helps on transportation of oxygen
white blood cell provide antibiodies which fight against diseases
platelets helps in blood clotting
Blood is a viscous connective tissue made up of a number of distinct elements. These consist of:
Red Blood cellsWhite blood cellsPlateletsPlasmaWhat is Blood?Blood is a viscous connective tissue made up of a number of distinct elements. These consist of:
1. Red blood cells, also known as erythrocytes, are the blood's most numerous cells and are in charge of carrying oxygen from the lungs into the body's tissues.
2. White blood cells, also known as leukocytes, are a component of the immune system of the body and are in charge of protecting the body against illnesses and foreign invaders.
3. Small cell fragments known as platelets, sometimes known as thrombocytes, are in charge of causing blood to clot and controlling excessive bleeding.
4. About 55% of the total volume of blood is made up of plasma, the liquid component of blood. It is a transparent, straw-colored fluid with a number of dissolved materials in it, such as water, electrolytes, proteins, hormones, and waste.
Plasma plays a crucial role in the transport of various substances throughout the body. Some of the substances that are transported by plasma include:
Carbon dioxideDigested foodUreaHormonesHeat energyTherefore, Blood is a viscous connective tissue made up of a number of distinct elements. These consist of:
Red Blood cellsWhite blood cellsPlateletsPlasmaLearn more about Blood, here:
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Imagine you discover a new human parasite like T. gondii that forms cysts in the brain. You suspect it is altering human behavior. You also determine that it is transmitted through sharing food. In what ways would you predict that it zombifies its hosts (alters their behavior)?
Hello. This question is incomplete. The full question is:
Imagine you discover a new human parasite like T. gondii that forms cysts in the brain. You suspect it is altering human behavior. You also determine that it is transmitted through sharing food. In what ways would you predict that it zombifies its hosts (alters their behavior)?
a. It should make them feel sick and rest in bed.
b. It should make them want to host more people for social dinners.
c. It should make them want to prepare meals more.
d. It should reduce their sanitary practices (e.g. washing hands) while preparing food.
e. It should make them want to horde food.
Answer:
a. It should make them feel sick and rest in bed.
b. It should make them want to host more people for social dinners.
c. It should make them want to prepare meals more.
d. It should reduce their sanitary practices (e.g. washing hands) while preparing food.
Explanation:
The options shown above are the only ones that show possible changes in personal behaviors related exclusively to the behavior of a person, who may be suffering from the damage caused by a parasite in the brain. The "e" option does not represent a change in behavior and does not depend exclusively on a sick individual due to the action of a parasite.
As you may already know, the brain governs our body in all factors, for this reason, cysts in this organ can trigger behavioral changes.
Answer: a. It should make them feel sick and rest in bed.
Explanation:
The full question is:
Imagine you discover a new human parasite like T. gondii that forms cysts in the brain. You suspect it is altering human behavior. You also determine that it is transmitted through sharing food. In what ways would you predict that it zombifies its hosts (alters their behavior)?
a. It should make them feel sick and rest in bed.
b. It should make them want to host more people for social dinners.
c. It should make them want to prepare meals more.
d. It should reduce their sanitary practices (e.g. washing hands) while preparing food.
e. It should make them want to horde food.
Toxoplasma gondii is a protozoan parasite that causes toxoplasmosis, a generally mild but potentially fatal disease, especially in cats and human fetuses. Cats and other felines are considered their ultimate hosts because the sexed phase of their life cycle takes place there, making these animals the primary hosts of the parasite. The asexual phase of the life cycle can occur in any warm-blooded animal, such as other mammals and birds. Therefore, toxoplasmosis is a parasitic zoonosis.
Parasites invade the cells, forming a compartment called the parasitophore vacuole which form cysts in tissues, especially in the muscles and brain. Because the parasite is inside the cells, the host immune system does not detect these cysts. Antibiotic resistance varies, but cysts are difficult to eradicate entirely. Therefore, T. gondii spreads within these vacuoles through a series of binary divisions until the infested cell eventually breaks free.
Some people have flu-like signs and symptoms, which may be:
Swollen lymph nodesHeadacheFeverFatigueWidespread painIn people with impaired immune systems, symptoms may also include:
ConfusionLack of coordinationConvulsionsBlurred vision caused by intense swelling of the retinaIn recent years, several investigations indicate that the parasite can cause changes in the behavior associated with impulsivity, and personality disorders. So, we could predict it zombifies the host by changes in the behavior, because of the damage caused by a parasite in the brain. It is important to consider that the brain governs the body, and cysts found there can trigger these changes.
Determine whether each of the following is a characteristic of DNA, RNA, or both.
Is single-stranded:
Contains nitrogenous bases:
Contains uracil:
Contains adenine:
Is double-stranded:
Is made of nucleotides:
Contains deoxyribose sugar:
DONE
Answer:
Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell's activities, while RNA converts that code into proteins to carry out cellular functions.
Which of the following is not a negative consequence of upward urban growth?
a pollution
b creation of a "heat island"
C. increased use of surrounding land
d. waste management issues
Please select the best answer from the choices provided
A
OOOO
Answer: I believe its C
Explanation:
Answer:
C. increased use of surrounding land
Explanation:
Edge2021
The lac operon in Escherichia coli Group of answer choices promotes the expression of lactose-utilizing enzymes when lactose is absent from the environment. prevents lactose-utilizing enzymes from being expressed when lactose is absent from the environment. prevents lactose intolerance. prevents lactose-utilizing enzymes from being expressed when lactose is present in the environment.
Answer:
The correct answer is - prevents lactose-utilizing enzymes from being expressed when lactose is absent from the environment.
Explanation:
The lac operon or the lactose operon is a operon that is essential for the many bacteria like Escherichia coli for metabolism and transport of the lactose.
In the presence of the lactose in the environment of the cell the lac genes are expressed due to the isomer of of lactose called allolactose binds to the Lac repressor protein and do not allow to bind it to lac operator. But in the absence of the lactose, the lactose utilizing enzymes are not expressed due to repressor bind to the lac operator and prevents the binding of RNA polymerase to the promoter.
A surfactant is a chemical that disrupts hydrophilic/hydrophobic interactions, letting normally hydrophobic things dissolve in water (this is how soap cleans grease!). If I have a bunch of enzymes dissolved in water and I add a surfactant, what will happen to the enzyme structure
Explanation:
A good surfactant is going to have a hydrophilic head and a long hydrophobic tail. As a result, a surfactant molecule contains both an insoluble water (or an oil-soluble component) and a water-soluble component. Surfactant molecules will migrate to the surface of the water, where the insoluble hydrophobic group may extend out of the bulk phase of the water, either into the air or, if the water is mixed with oil, into the oil Phase, while the water-soluble head group remains in the water phase. This alignment and aggregation of surfactant molecules at the surface is intended to alter the surface properties of water at the water / air or water / oil interface.
Which cycle is represented in this image?
Answer:
it is clearly the oxygen cycle
Answer:
ofrfr
Explanation:
How the population environment and health are related with different aspects? Elaborate
Answer:
The aspects of that natural resources like air, water, soil etc aspects include the existence,these aspects of population health and environment.
Explanation:
Population environment and the health is to the approach human development to conservation, health, population is the deep relationship that not only related to each other.
population environment or health is the process can perform effect of population growth in health and environment aspects, other hand population controlled balanced a environment, produce healthy people.
Biological aspect :- health and population are related with the biological aspects of that environment, health, and population aspects of environment related to each other.
Social aspects:- social and cultural aspects like to the festivals, tradition living standards aspects environment, population and health are related each other.
Physical aspect:- the development construction bridge,canals, industries that are physical environment, these aspect interrelated health and population.
Economic aspect :- economic aspect is reflected by the health of the people,resources like water, plants, land.
Which function is specific to the neuron? It generates electrochemical signals so that the body can react to stimuli. It produces antibodies to destroy pathogens for protection purposes. It breaks down chemical substances into a form that is usable by the body. It delivers oxygen to the cells of the body for metabolic processes.
Answer:
It generates electrochemical signals so that the body can react to stimuli.
Explanation:
This is the job of the nervous system; it allows our body to react to stimuli. Neurons are what allows us to feel if something is touching our body (or if we are touching something) by sending synapses all the way to the brain at an incredibly fast pace.
Answer:
It generates electrochemical signals so that the body can react to stimuli.
Explanation:
edge 2022
If you are preparing a report about the effect of climate change on sea level,
whose work would you be most likely to study?
A. Warren Washington
B. Edwin Hubble
O C. Christian Doppler
O D. Charles Kuen Kao
Answer:
A. Warren Washington
I hope this helps you :)
Match each hormone to its function
•luteinizing hormone
•testosterone
•oxytocin
•follicle-stimulating hormone
•estrogen
•gonadotropin-releasing hormone
Answer: Stimulates the contraction of the uterus during childbirth - OXYTOCIN
Stimulates sperm production and growth of ovarian follicles - FOLLICLE STIMULATING HORMONE
Initiates the Secretion of leutinizing hormone and follicle stimulating hormone - GONADOTROPIN RELEASING HORMONE
Initiates the development of secondary sex characteristics in females - ESTROGEN
Initiates the development of secondary sex characteristics in males - TESTOSTERONE
Initiates cell production of testosterone and estradiol by cells in the gonads - LUTEINIZING HORMONE.
The correct match for hormone and their functions are- 1- Oxytocin, 2- follicle-stimulating hormone, 3- a gonadotropin-releasing hormone, 4- estrogen, 5- testosterone, and 6- luteinizing hormone.
Oxytocin is a naturally occurring hormone that plays a vital role in the reproductive system of both men and women, including labor, delivery, and breastfeeding, as well as in human behavior.
FSH is produced by the pituitary, which is a small gland just below the brain. The pituitary plays a vital role in the development and regulation of sexual function.
Gonadotropin-releasing hormone stimulates the brain’s pituitary gland to produce and release the hormones LH and FSH.
Estrogen is a family of hormones that play a vital role in the reproductive and sexual development of women.
Testosterone is a male sex hormone. It is responsible for spermatogenesis and fertility in males.
Luteinizing hormones (LH) are hormones in the body that stimulate the reproductive system. Luteinizing hormone stimulates ovulation and stimulates the production of the hormones needed for pregnancy
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Which of the following organisms convert energy from the sun into chemical energy?
Answer:
This would include any plant/moss/tree/any autotroph.
Explanation:
Autotrophs are capable of making their own food, unlike heterotrophs who consume other organisms and autotrophs to receive nutrients.
Considered the "Command Center for the Endocrine System", the ______________ is a major link between the nervous and endocrine system as it is a major regulatory center in the nervous system, as well as a crucial endocrine gland that can synthesize at least nine different hormones.
Answer:
"Command Center for the Endocrine System", the hypothalamus is a major link between the nervous and endocrine system as it is a major regulatory center in the nervous system, as well as a crucial endocrine gland that can synthesize at least nine different hormones.
Which one of the following most accurately describes how the spindle poles are separated during anaphase B? Dyneins pushing spindle poles further apart from each other Myosin on actin tracks pulling the spindle poles into position Kinesins pushing spindle poles farther apart from each other Microtubules directly pushing and pulling on the spindle poles Kinesins pulling microtubules and spindle poles towards the periphery of the cell
Answer: im also stuck on this helpp
Explanation:
Answer:
B
Explanation:
B: Kinesins pushing spindle poles farther apart from each other
Which of the following descries a solution that contain a buffer? A. Sodium hydroxide, a base, is added to the solution, and the pH of the solution becomes higher. B. Citric acid is added to the solution, but the pH of the solution does not change. C. Acetic acid is added to the solution, and the pH of the solution becomes lower. D. Distilled water is added to the solution, and the pH of the solution does not change.
Answer:
B. Citric acid is added to the solution, but the pH of the solution does not change.
Explanation:
In chemistry, buffer solutions or simply called Buffer are solutions that resist a change in pH when an acid or base is added to them i.e they maintain a constant pH. This is as a result of the content of the solution. A buffer may contain a weak acid and its conjugate base (salt) or a weak base and its conjugate acid.
Hence, when a strong base or acid is added to them, they still restore the original pH of the solution due to the reaction that removes or neutralizes the hydrogen or hydroxide ions from the acid and base added to them respectively. This is what happens when Citric acid is added to the solution, but the pH of the solution does not change.
Citric acid, which is an acid, does not practically increase or decrease the pH of the solution. Hence, the solution is called a buffer.
Answer:
Citric acid is added to the solution, but the pH of the solution does not change.
Explanation:
Got it right on Apex
Hope I helped! :)
