Answer:
3 one
Explanation:
Would a bacterial cell undergo mitosis in the same way as a eukaryotic cell? Why or why not?
1.Explain the energetic constraints that prohibit prokaryotes from getting larger than they are. Be sure to explain the implications of the energy canyon for the evolution of eukaryotes.
Answer:
Space constraints.
Explanation:
Space constraints are the energetic constraints that prevent prokaryotes from getting larger than their limit. Space constraints control the sizes of both the largest and smallest bacteria. Bacteria can't shrink more than they have already because there is not enough space left for DNA and necessary proteins. In the same way, the prokaryotes can't increase in size beyond their limit due to space constraints.
The body's natural state of equilibrium is
known as homeostasis. When the body is not
in homeostasis the body goes into ketosis.
What is the name of the psychological
phenomena that could occur to individuals who
are in longer periods of ketosis? The answer to
the question is worthy of exemption from the
final. Let me know if you have any questions.
Answer:
Ketone Bodies Affect Brain Metabolism in Healthy Individuals. In humans, both acute and chronic increases in ketone body availability to the central nervous system cause massive changes in cerebral fuel metabolism.
Explanation:
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The psychological phenomena that occurs to individuals with longer periods of ketosis is : Anxiety
The best natural state of the human body is to be in equilibrium ( homeostasis) while sometimes the body goes into an unstable state ( ketosis ) especially due to the deficiency of carbohydrates in the human system.
Ketosis : this is a process where the body system burns up fat stored in body to produce ketones which is used as a source of energy by the body. this process occurs due to deficiency of carbohydrates in the human system, the state of ketosis has some effect on the brain and this causes the release of GABA a neurotransmitter in the brain.homeostasis : this is a state of the human whereby the body is able to maintain/stabilize all the internal variables related to the human body, such as :temperature
emotion level
water level
Hence due to the release of a neurotransmitter ( GABA ) in the brain during ketosis the psychological phenomena that occur during ketosis is ANXIETY
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Which of the following observations constituted the strongest evidence against the existence of blending inheritance?
a) Some characters are shaped by the environment (as well as heredity).
b) Sometimes two parents have the same appearance, but they have one or more offspring with a different appearance.
c) Characters acquired from the environment of the parents are often transmitted to the offspring.
d) Individuals never have characters intermediate to their parents-- there is always complete "dominance" of one parent's character.
Answer:
c) Characters acquired from the environment of the parents are often transmitted to the offspring.
Hemophilia is inherited in humans as an X-linked recessive condition. A phenotypically normal woman whose father was hemophiliac marries a normal man. What is expected among their offspring?
Answer:
100% of the girls are expected to be normal, X+X+ and X+X-50% of the boys are expected to be normal, X+Y50% of the boys are expected to be hemophilic, X-Y75% of the whole offspring normal (X+X+, X+X-, X+Y)25% of the whole offspring hemophilic (X-Y)Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Sigmoidal plots of activity versus substrate concentration are exhibited by a. holoenzymes. b. Michaelis-Menten enzymes. c. allosteric enzymes. d. monomeric enzymes. e. isozymes.
Answer:
The correct answer is C
Explanation:
Allosteric enzyme is an enzyme that has more than one active site on the surface of the enzyme. Generally, the binding to one of these active sites affects the affinity of the other active sites on the enzyme; this causes the enzyme not to follow the Michaelis-Menten's enzyme kinetics. Thus, when the activity versus substrate is plotted on a graph, a sigmoidal curve shown instead of an hyperbolic curve (like other enzymes).
Differentiate between population density and population distribution.
Answer:
Population density is the number of individuals in a population per unit area.
Population distribution is the pattern in which individuals in a population are dispersed in an area.
Explanation:
i got it right on edge 2021
True or false ? Pioneer species are typically replaced by other species over time
True
False
19. Which species gymnosperm has brightly colored, fleshy female cones that people often
mistake as "berries"?
welwitschia
gnetum
ginkgo
ephedra
Answer: Ginkgo
Explanation:
There are 4 types of gymnosperms that produce fleshy fruits around their seeds which are usually considered as cones. These are Ginkgo, conifers, gnetophytes, and cycads. These plants have been evolved for fruit production as gymnosperms are known for their naked ovules and their seeds are stored in rough woody structure that is called as cone. There are separate males and female cones are present in gymnosperms.
Among the options given Ginkgo is the correct option it produces cones that look like berries. This advantageous evolution and helps in transfer of seeds through animals as they consume fruits or berries and disperse seeds in their feces.
Answer:
Ginkgo
Explanation:
Which of the following is a difference between RNA and DNA?
A. DNA is a nucleic acid, RNA is not
B. DNA uses Ribose, RNA uses Phosphates
C. RNA is single stranded, DNA is triple stranded.
D. RNA uses Uracil, DNA uses Thymine
The correct answer to the question is Option D) RNA uses Uracil, DNA uses Thymine.
What are the differences between DNA and RNA?
The sugar deoxyribose is found in DNA, while ribose is found in the RNA.
DNA is a double stranded molecule, whereas RNA is a single-stranded one.
DNA is very stable under alkaline environments, but RNA is not.
In humans, DNA and RNA have distinct purposes. DNA is in charge of storing and transmitting genetic information, whereas RNA directly codes for amino acids and serves as a messenger between DNA and ribosomes in order to produce proteins.
DNA and RNA base pairing differ somewhat because DNA utilises adenine, thymine, cytosine, and guanine whereas RNA uses adenine, uracil, cytosine, and guanine. Uracil differs from thymine in that its ring lacks a methyl group.
To conclude with we can say that Uracil is contained in RNA but not in DNA. Uracil creates two hydrogen bonds with adenine in RNA.Thymine replaces uracil as the nucleo base in DNA. Uracil can be thought of as a demethylated version of thymine. Each nucleotide of RNA has a ribose sugar, with carbons numbered 1' through 5'. A base, often adenine (A), cytosine (C), guanine (G), or uracil, is added to the 1' position (U). Purines are adenine and guanine and pyrimidines are uracil.
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what is the advantage of having a commercially available glucose gel or liquid available to treat a diabetic emergency?
Answer:
There are also a number of commercially available glucose tablets and gels. Benefits to using commercial products include the following: They aren't as tempting to snack on as candy is. They contain no fat, which can slow down digestion, or fructose, which has a smaller and slower effect on blood glucose.Explanation:
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The advantage of having a commercially available glucose gel or liquid
available to treat a diabetic emergency include the following:
No fat.No fructose.Glucose gels are used to treat individuals with diabetes in emergency
situations. They contain no amount of fats which could interfere in the
process of digestion and slow it down.
They also have no fructose present in the gel as its presence would prevents
which prevents the glucose effects in the body from functioning optimally.
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A teacher places 65 g of liquid water in a sealed plastic bag and then
places the bag in a freezer.
After the water freezes, what will be the mass of solid ice in the bag
Answer:
65g, mass is always constant. when the water turned to ice it's volume and density changes but not it's mass
Answer:A. Exactly 65 g
Explanation:just to make it more of a simple answer
what are the steps of earthworm farming? Be concise in your points
Answer:
Explanation:
8 Easy Steps to Your Own Worm Farm
1. Find Containers. You need a container that can drain to keep your worm farm in.
2. Site Your Farm. Decide where you will put your worm farm on your plot.
3. Add Bedding. The worms in your farm need material in which to live.
4. Add Worms.
5. Add Food.
6. Cover.
7. Maintain.
8. Migrate Worms.
Can bats eat butterflies?
Which of the following hormones is directly
controlled by nervous system?
A. Adrenaline
B. Estrogen
C. Thyroxine
D. Cortisol
Answer:
adrenaline is the hormone which is directly controlled by nervous system
Which geometric solid is the best model for these cells?
O A. A square pyramid
O B. A sphere
O c. A right circular cylinder
OD. A cube
SUBMIT
Answer:
D. A cube
Explanation:
Epithelium cells are a type of cell that has a simple cuboidal epithelium that consists of only a single layer of cells that are cube-like or cuboidal in shape. These cells have large, spherical nuclei present in the center. These cells are cube-shaped cells
walking, running and carrying a book involve using ________ type of muscles.
a) cardiac
b)voluntary
c)involuntary
d)Striated
Answer:
It is voluntary I believe.
Explanation:
Most carbohydrates manufactured in leaves and other photosynthetic parts are transported through the phloem to the rest of the plant by the process of translocation. osmosis. transpiration. receptor-mediated transport. turgor pressure.
Answer:
Translocation
Explanation:
Translocation is the movement of sugar that is produced by the source( i.e the part of plants where sugar is produced for other plant parts which could be leaves) to the sinks( i.e the active growing parts of plants where sugar is been deposited for use) where it is used up.
Translocation is done through the phloem tissue to sinks. Sinks could include leaves, fruits, shoots, young developing seeds, tubers and stems.
Translocation is done through the pressure flow model where concentration of sugar that is high at the source creates a low solute potential which helps water movement into the phloem from the adjacent xylem. This movement creates a high pressure potential in the phloem that produce the movement of phloem sap by bulk flow from source to sink.
What is the most likely explanation for the results in the graph?
O A. The plantlike organisms are using up all the oxygen that the fish
need.
B. The apple orchard releases toxic chemicals into the water of the
bay.
C. The nitrogen from the fertilizer makes it impossible for plants to
grow
D. The fish have migrated away from the bay to find warmer water,
SUBMIT
Answer:
B. The apple orchard releases toxic chemicals into the water of the bay.
Explanation:
Option B is the correct answer. It is the most likely explanation for the results in the graph.
From the graph, we can see that the population of the fishes sharply dropped. Since the fertilizer is applied to the apple orchard and the orchard was planted beside the bay, during the rain it is possible that the water has washed some of the fertilizers into the bay. The chemicals used in making fertilizer are harmful and toxic.
This reveals that the toxic chemicals released from the apple orchard are responsible for the decline in the population of the fish.
Why might an individual with AIDS have difficulty fighting off otherwise harmless infections?
Answer:
Having HIV/AIDS weakens your body's immune system. It destroys the white blood cells that fight infection. This puts you at risk for opportunistic infections (OIs). OIs are serious infections that take advantage of your weak immune system.
Explanation:
g A rare genetic disease arises from mutations in subunits of TAP (TAP1 or TAP2). Individuals with this disease are susceptible to recurrent infections. What effects would you expect from this mutation
Explanation:
A rare genetic diseasearises from mutations in subunits of TAP (TAP 1 or TAP 2). The individuals with this disease are susceptable to recurrent infections.
The efforts could be expected from this mutation- MHC class II molecules will not be loaded with peptides, so CD8+ T cells cannot be activated. MHC class I molecules will not be loaded with peptides, so CD4+T cells cannot be activated MHC class I molecules will not be loaded with peptides, so CD8+T cells without be activated.
Briefly describe the main hormonal and physiological events of each of the following:the uterine cycle
Answer:
Menstruation, the follicular phase, ovulation and the luteal phase.
Explanation:
Menstruation, the follicular phase, ovulation and the luteal phase are the four events or phases of the menstrual cycle. Luteinizing hormone, follicle-stimulating hormone, and the female sex hormones i.e. estrogen and progesterone are the types of hormones that controls the uterine cycle. Each event in the uterine cycle has its own significance in the female body.
Surgeons at Hospital A report that the mortality rate at the end of a one-year follow-up after a new coronary bypass procedure is 15%. At Hospital B, the surgeons report a one-year mortality rate of 8% for the same procedure. Before concluding that the surgeons at Hospital B have vastly superior skill, which of the following possible confounders would you examine?
a. the severity (stage) of disease of the patients at the two hospitals at baseline
b. the start of the one-year follow-up at both hospitals (after operation versus after discharge)
c. differences in postoperative care at the two hospitals
d. equality of follow-up for mortality
e. all of the above
Answer: All of the above.
Explanation:
To answer this, one must first take into account the severity of the disease with which the patient came to the hospital. Because it is not appropriate to only compare the treatment of a hospital that received a patient with something mild, with the treatment of another hospital that received another patient but with a serious illness or damage. Clearly, this second hospital is going to face a greater challenge in trying to save the life of the person who has come in. It is not the same to operate on a serious patient on the verge of death, as it is to operate on a healthy one for something minor that just because of that alone has a higher chance of survival. If something goes wrong, it is not necessarily or not entirely the hospital's responsibility. Someone who is more compromised in terms of their health will be more vulnerable and require greater care. While the hospital must be able to do this (and there may be some that are better than others) it must be kept in mind that the patient's previous health.
The onset of one-year follow-up at both hospitals (post-operative versus discharge) will differ significantly between the two hospitals. Each hospital will have have different staff, different doctors and nurses, different equipment and ways of handling. All this makes the treatments vary a lot from one hospital to another.
Something similar occurs with tje differences in postoperative care, that may vary from place to place. However it also depend on the underlying condition with which the patient has come, postoperative care also varies according to how the staff is managed, the hygiene of the site, the resources available, and others. The same applies to equal follow-up for mortality.
In summary, for all options it is necessary to keep in mind that while hospital care and staff training are very important, there is one variable that is beyond the scope of what doctors and nurses can do, and that is the severity with which the patient has come for care. The more serious the patient is, the more difficult it is going to be to treat him/her. However, the more modern the hospital and the better trained its staff, the more likely it is to cure more people.
Cuales son el grupo de briofitos más abundante
Answer:
Existe una clasificación para las plantas briofitas entre las que se cuentan: 1. Las Hepática, que se considera el mas diverso y como consecuencia hasta el mas abundante en el planeta ya que cuenta con al menos 8000 especies.
Explanation:
⁝⁞⁝⁞●∈ Jess bragoli ∋●⁝⁞⁝⁝#seguir aprendiendo!!Which would happen if more forests were cut down? A. The amount of CO2 in the atmosphere would in Ос B. Fossil fuels would build up in the soil. C. The nitrogen cycle would be stopped. O D. Nitrogen would be fixed by bacteria more quick
Answer:
A
Explanation:
Which is NOT true of smooth muscle? A. They use peristalsis to move substances through tubes. B. They are found in the hollow parts of the body such as blood vessels and the small intestine. C. They can become fatigued. D. They are connected by gap junctions.
Answer: the answer is C
Explanation: I been trying to find the same answer for this exact question for acellus and C was the correct answer
Methanogens are able to live in what enviroment
Part A
When the following liquids are poured into the same container, they separate as shown in the image. Based on the data
in the table below, what caused the order of the layers?
rubbing alcohol
vegetable oil
water
corn syrup
Liquid
corn syrup
Volume Used
95 cm
90 cm
water
Mass
130.158
90.00 g
77.358
81.90 g
Density
1.37 g/cm
1 g/cm
0.91 g/cm
0.78 g/cm
85 cm
vegetable oil
rubbing alcohol
105 cm
The layers are formed due to difference of density of solutions.
The main cause of the order of the layers is the difference of weight and density of different liquids in the container. The liquids that has more weight means higher density will sink below the liquids that has less weight means lower density so due to difference in their density corn syrup is located at the bottom due to higher density and rubbing alcohol is present at the top of the container due to lower density.
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What caused the order of the layers can be attributed to the densities of the liquids.
The density of a substance is an indication of how heavy the substance is in relation to its volume. Mathematically, it is given as mass/volume.Hence, a liquid with a higher density will always be at the bottom of a liquid with a lower density provided that both of them are of the same volume.In order words, immiscible liquids poured together in the same container will separate out according to their densities - starting with the highest density liquid occupying the bottom with the lowest density liquid staying topmost.
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Please help me with question 7 ASAP
Answer:
B is the correct answer.
Explanation:
A is incorrect because diffusion does not depend on living system. It can occur in non-living systems as well. C is incorrect because when all transport proteins are used, the transported molecules are carried by the maximal number of transporters. Thus, the transport rate of substance is maximal.
D is false because translocation is primarily related to phloem.
What type of lipid is estrogen?
steroid
phospholipid
triglyceride
wax
Answer
The Answer is Steroid
Answer:
Steroid.
Steroids are different from other types of lipids because they do not contain any fatty acids.
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