Answer: the potato chip becomes a substance that is soft and very floppy
Biological organization extends beyond the organism. Which group of terms would be included beyond organism in the same list
Answer:
This question lacks options, the options are:
A. populations, communities, and ecosystems
B. DNA, RNA, and protein
C. Cells, tissues, and organs
The answer is A
Explanation:
The biological level of organization shows the organized build up of life from cellular level to organismal level. However, this organization goes beyond the organismal level. Individual species of organisms can assemble to form a POPULATION.
Likewise, populations of different species can coexist to form a COMMUNITY. The community of organisms can interact with their abiotic environment to form an ECOSYSTEM.
Therefore, the level of biological organization extends as follows:
populations → communities → ecosystems
A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?
Answer:
The kinetic energy of the water molecules decreases which causes the liquid in the thermometers to drop.
Explanation:
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which of the following is not a type of light microscope?
A. transmission electron microscope
B. phase contrast microscope
C. bright field microscope
D. stereo microscope
Answer:
A. transmission electron microscope.
Devise an experiment to test the effect of pH on the activity of biological washing powder
Answer:
boil a water on a container deep your face inside it and you know the temperature ️ of water
8.the following one is considered as safety rule in laboratory
1 point
never eat or drink anything in the science lab
always clean up when you have finished the experiment
wear safety goggles while doing experiments
all the above
Which of the following would be most likely to increase erosion rates?
A. A coastline with a well defined beach.
B. Waves breaking at the foot of a cliff
C. Waves with a very long fetch (have traveled far).
D. All of these
Answer:
D
Explanation:
we all need that all of then helps to increase erosion rates
Explain briefly the forces that govern the upward movement of water and dissolved
mineral salts in plants.
tom of classification.
Answer:
The continuous evaporation of water (or transpiration) from the cells of a leaf crates a kind of suction which pulls up water through the xylem vessles. Thus, transpiration helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem.
Fermentation preserves food and retains its original flavor as well as increasing its shelf life
Answer:
Yes it does
Explanation:
Many anti-evolutionists believe that since science doesn't have answers for all questions; scientific conclusions are not necessarily correct. This attitude reflects a failure to understand the nature of science. What is the general nature of scientific thinking? In what way is science "self correcting"?
Answer:
Explanation:
they have proven it.
The nature of science and general nature of scientific thinking is discussed as follows:
Scientific thinking:
A proper and orderly method of investigation on the specific idea to formulate testable hypotheses is called scientific thinking. To test these hypotheses, experiments are required.
The general nature of scientific thinking:
a systematic method of investigation. It involves recognition of different variables, making a hypothesis, and testing and validation of the hypothesis. any scientific theory or statement is not certain and valid forever in nature as new evidence can be contradictory.Self-correcting:
Hypotheses are tested by a specific research design. Every test found new unknown variables that will influence the original hypotheses. It is the self-corrective feature of science.
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Porque crees que las personas llegan a consumir sustancias psicoactivas
Answer:
La causa exacta del consumo de drogas se desconoce. Los genes de una persona, la acción de las drogas, la presión de compañeros, el sufrimiento emocional, la ansiedad, la depresión y el estrés ambiental pueden ser todos factores intervinientes.
Explanation:
What is a major role that fungi play in ecosystems
Answer:
Fungi play a crucial role in the balance of ecosystems. They colonize most habitats on earth, preferring dark, moist conditions. They can thrive in seemingly-hostile environments, such as the tundra. However, most members of the Kingdom Fungi grow on the forest floor where the dark and damp environment is rich in decaying debris from plants and animals. In these environments, fungi play a major role as decomposers and recyclers, making it possible for members of the other kingdoms to be supplied with nutrients and to live.
Explanation:
Answer from Gauth math
The mutation of a cell for a specific function is called
Explanation:
A gene variant if functionof mutation
Answer:
A gene variant for a specific function
Which of the following is true?
a. Extinctions of past species has happened gradually and on a small scale.
b. Bacteria represent a newer form of life, not present during the early prehistory of Earth.
c. Most organisms present early in Earth's prehistory were more complex than modern organisms.
d. Species on Earth today are but a fraction of all species that ever lived.
e. The number of species existing at one time has decreased throughout history.
Answer:
D
Explanation:
So many species on the Earth have gone extinct throughout it's years. Many species have died out over the 4.543 billion years that the earth has existed, and new species are introduced throughout the decades whilst some fade out.
describe in brief the structure of honeybees
Answer:
The body of the honey bee is segmented: stinger, legs, antenna, three segments of thorax and six visible segments of abdomen. The head of the honey bee consists of the eyes, antennae and feeding structures. The thorax of the bee consists of the wings, legs and the muscles that control their movement.
Answer:
The body of the honey bee is segmented: stinger, legs, antenna, three segments of thorax and six visible segments of abdomen. The head of the honey bee consists of the eyes, antennae and feeding structures. The eyes include the compound eye and the simple eye.The thorax of the bee consists of the wings, legs and the muscles that control their movement.
15. Assuming the fluorescence threshold is set to be 1. Which gene has the highest gene expression rate? What is the Ct value? Gene with highest expression = ______________ Ct value = _______________
Answer:
The correct answer is - Gene 1 and 14.5 (or 14).
Explanation:
The cycle threshold is denoted as Ct value. It is the cross point at the threshold line meets with fluorescence signal reaction curve. In the given RTpcr experiment, the threshold line is fluorescence intensity 1 thus, Ct value for each gene will be the point at which each curve meets the fluorescence intensity line at 1. Ct value of is inversely proportional to amount of nucleic acid in the given sample.
Here, the Ct for gene 1 is the lowest, so the amount of DNA would be highest.
Gene with highest expression= Gene 1
Ct value= 14.5
On an ECG, what does Ventricular Fibrillation mean?
A. Tachycardia, the heart is beating too fast.
B. There is no coordinated contraction of the heart, death is possible in minutes.
C. A lack of oxygen to the heart.
D. Brachycardia, the heart is beating too slow.
Answer:
A
Explanation:
I believe the answer is A because Ventricular Fibrillation means the heart is beating irregularrly, and too fast. Sometimes up to 500bpm
There is no coordinated contraction of the heart, death is possible in minutes. Therefore option B is correct.
Ventricular fibrillation (VF) is a life-threatening cardiac arrhythmia characterized by chaotic electrical activity in the ventricles, the heart's lower chambers.
During VF, the heart loses its ability to pump blood effectively, leading to a lack of blood flow to vital organs.
Without immediate intervention, such as defibrillation to restore a normal heart rhythm, the condition can rapidly progress to cardiac arrest and cause death within minutes.
Unlike tachycardia (A) or bradycardia (D), which involve abnormal heart rates, VF is a more severe and critical situation with disorganized electrical signals and ineffective pumping, requiring urgent medical attention.
Therefore option B There is no coordinated contraction of the heart, death is possible in minutes. is correct.
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Question 4 of 20
Which energy transfer occurs when a cube of ice is placed in a glass of
water?
A. The chemical energy of the ice is transferred to the liquid water.
B. The nuclear energy in the water molecules is released from the ice
into the liquid water.
C. Gravitational potential energy is transferred from the liquid water
to the ice.
O D. Thermal energy is transferred from the liquid water to the ice.
SUBMIT
Answer:
option (D) is the right answer
As you read in this chapter, fungi have long formed symbiotic associations with plants and with algae. How may these two types of associations lead to emergent properties in biological communities
Answer:
Fungi show symbiotic association with algae and plants. With plants, they thrive as endophytes in a form of the symbiotic association. This symbiotic association results in the emergence of novel characteristics in the world of biology.
The lichens function as a tool in finding the quality of air, as they grow in the environment containing good air quality. The tolerance towards heat is another characteristic. Some of the endophytes are witnessed in the plants, which grow in very hot conditions.
At such conditions, no fungi or plant can thrive, however, in the symbiotic association, they possess the tendency to thrive. If one tries to separate them, it results in the death of both.
Explanation:
4. Which of the following are extra senses that vertebrates may have? (Choose all that apply)
magnetoreception
proprioception
baroception
o nociception
Answer:
- Proprioception
- Magnetoreception
- Nociception
The following are the extra senses that vertebrates may have:
Magnetoreception. Proprioception.Nociception.Thus, the correct options are A, B, and D.
What is Vertebrate?Vertebrates may be defined as those groups of animals that possess a backbone or spinal column. It includes mammals, birds, reptiles, amphibians, and fishes.
Magnetoreception is a sense that allows the organisms to detect the senses of the Earth's magnetic field and responds to it. Proprioception may be defined as a sort of sense that allows your body abilities to sense movement, action, and location.
Nociception may completely depend on the sensory nervous system that process in response to encoding noxious stimuli.
Therefore, the correct options for this question are A, B, and D.
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Basidia within a basidiocarp are obvious for mushrooms, but this may not be as obvious for other examples that you have observed. For each of the examples of basidiomycetes that you have observed, speculate about the location of structures analogous to the basidia observed in mushrooms. Think about the formation of spores by meiosis.
a. bird's-nest fungi
b. common puffballs
c. earthstar puffball
d. shelf fungi
e. corn smut
Answer:
Birds nest fungi: Basidicarp, a cup shaped with several lenticular bodies appear as bird's nest with eggs. The eggs are called the peridioles and the nest serves release the eggs onto the twigs or branches and spores are liberated .
common puffball: The young fruit body is covered with whitish spines that become mark of scar after maturity.
Earth star puff balls: The fruiting body is in the shape of an egg, it has an outer part that separates away from the inner basidiocarp and splits into several rays which curve backwards and resembles a star.
shelf fungi: The fruiting body develops on the tree trunks and termed conk which are tough and leathery often plate-like growing out of the tree trunks.
corn smut: The diploid teliospores germinate and undergo meiosis to result in four haploid basidiospores.
The basal metabolism of a human adult is the total rate of energy production when a person is not performing significant physical activity.
a. True
b. False
True
Metabolism refers to the countless chemical processes going on continuously inside the body that allow life and normal functioning.The amount of kilojoules your body burns at any given time is affected by your metabolism.Your metabolic rate is influenced by many factors – including age, gender, muscle-to-fat ratio, amount of physical activity and hormone function.Hope this helps you ❤️MaRk mE aS braiNliest ❤️^_^Answer:
Explanation:
FALSE
The change that occurs at point C could be caused by Multiple choice question. A) increased predation by wolves. B) a wet year with increased vegetative growth. C) increased competition from moose herds. D) a dry year with decreased vegetative growth.
Answer:
The answer is "Option B"
Explanation:
A wet season with increased plant growth is indicated by the fact that the population of Elks from beginning point C attained maximum population size (K100) and remained stable until point D. That's why the difference at point C could be due to the a wet year still higher plant growth.
What's the main characteristic of porosity?
A. Porosity is a description of how pores are shaped and connected.
B. Porosity is the location at which aquifers are located for water flow.
C. Porosity describes the material found within soil and classifies the absorption capacity of that material.
D. Porosity is how much space there is in rocks and soil to hold water.
Answer:
The answer should be D
Explanation:
because poroslty of a rock is a measure of its ability to hold a fluid. mathematically, it is the open space in rock divided by the total rock volume.
i want some questions on mental health concerns on pandemic based on yes or no please give me questions
Answer:
pendemic effect our society and then make many people stress/mental illness. yes or no
Explanation:
question that relate to what you want
56:25
If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
O+
O–
AB+
AB–
Find out the chemical names and formula e for the following common house hold substances - a) common salt b) baking soda c) washing soda d.) vinegar
what term is used to describe the state in which molecules are evenly distributed in the available space
48. Which of the following is an example of a point source of pollution? Agricultural pesticides from crops Oil spill from a tanker from burning fossil fuels in cars Mercury from in-land coal mines
Answer:
Oil spill
Explanation:
Its the oil spill because the pollution from it can be traced back to a specific source
Put the following steps of Meiosis in the correct order:
I. The cell divides into 2 daughter cells
II. Homologous chromosomes pair up in the center of the cell
III. Spindle fibers separate homologous chromosomes
IV. Chromosomes become shorter and thicker
A. I, II, III, IV
B. IV, III, II, I
C. II, III, I, IV
D. IV, II, III, I
What is Meiosis
Meiosis (listen); from Ancient Greek'lessening', since it is a reductional division) is a special type of cell division of germ cells in reproducing organisms that produce the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome (haploid). Additionally, before the division, genetic material from the paternal and maternal copies of each chromosome is crossed over, creating new combinations of code on each chromosome. Later on, during fertilization, the haploid cells produced by meiosis between a male and female will fuse to create a cell with two copies of each chromosome again, the zygote.
Errors in meiosis resulting in aneuploidy (an abnormal number of chromosomes) are the leading known cause of miscarriage and the most frequent genetic cause of developmental disabilities.
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why is the silkworm called a useful insect?
