Answers
whether the following phrases describe coenzyme A, NAD+, or FAD. coenzyme A: NAD+FAD. contributes to the citric acid cycle's component acetyl-SCoA is a product of the nutrient pantothenic acid (B5)
Many enzymes need coenzymes, which are organic substances, for catalytic activity. They frequently contain vitamins or vitamin compounds. They can occasionally serve as catalysts in the absence of enzymes, but not as efficiently as when an enzyme is present.
Coenzymes include flavin adenine dinucleotide (FAD), nicotinamide adenine dinucleotide (NAD), and nicotinamide adenine dinucleotide phosphate (NADP) (FAD). These three coenzymes participate in hydrogen transport or oxidation. Coenzyme A (CoA), which is also involved in the transfer of acyl groups, is another.
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Related Questions
The drug 2,4-dinitrophenol (DNP) destroys the proton gradient across the inner mitochondrial membrane. What would be the effect of incubating isolated mitochondria in a solution of DNP
Answers
Answer:
This question lacks options, options are:A) Oxygen would no longer be reduced to water. B) No ATP would be made during transport of electrons down the respiratory chain. C) Mitochondria would show a burst of increased ATP synthesis. D) Glycolysis would stop. E) Mitochondria would switch from glycolysis to fermentation.The correct answer is B)
Explanation:
The main mechanism of ATP production takes place in our mitochondria, which are cellular organelles, and this occurs when molecules of coenzymes or reduced prosthetic groups, coming from the process of catabolism of nutrients, are oxidized with molecular oxygen (which becomes in water), leading to the production of ATP. DNP works by increasing heat production in cells through a process known as decoupling. Dinitrophenol is an ionphoric compound that cuts mitochondrial ATP production circuits. This cessation of ATP production through the mitochondria leads to an increase in metabolic rate (as the substrate is used at a higher rate so that cytosolic ATP can sustain life) and subsequent weight loss.
Some protists can reproduce both sexually and asexually. What's a major advantage of each?
A. Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
B. Sexual reproduction allows the organism to produce an exact copy of itself, and asexual reproduction can be more rapid.
C. Sexual reproduction can be more rapid, and asexual reproduction allows the organism to produce an exact copy of itself.
D. Sexual reproduction is less prone to making genetic mutations, and asexual reproduction increases genetic diversity.
Answers
Asexual reproduction has the potential for faster growth, while sexual reproduction enhances genetic diversity. In protists, sexual reproduction has the major benefit of increasing genetic.
How do protozoa reproduce both sexily and asexually?While some protists reproduce sexually using gametes, others do so asexually using binary fission. Plasmodium falciparum, which possesses both sexual and asexual variants of the organism, is an excellent illustration of a species with incredibly complex life cycles.
What is the benefit of sexual and asexual reproduction?Both approaches have benefits. A varied gene pool that can tolerate a dynamic and changing environment can be developed through sexual reproduction. Asexual reproduction is advantageous for maintaining a big, homogenous population and for species that can't move around.
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Need ASAP
Which is NOT a part of a phospholipid?
A) phosphate group
B) glycerol
C) carbohydrate
D) fatty acid
Answers
Answer:
c
Explanation:
hdhdhsjjdbrbjyietjdjdfs
Black-footed ferrets are native to the Great Plains. They spend most of their
time underground in prairie dog burrows. Which factor would increase an
area's carrying capacity for black-footed ferrets?
A. Increased competition for space
B. Increased number of diseases
C. Increased number of predators
D. Increased availability of food
Answers
Answer:
D. Increased availability of food
Explanation:
Trust
The factor that would increase an area's carrying capacity for black-footed ferrets is the increased availability of food. The correct option is D.
What is carrying capacity?Carrying capacity is defined as the average population size of a species in a given habitat.
Environmental factors such as adequate food, shelter, water, and mates limit the species population size. If these requirements are not met, the population will decline until the resources recover.
If there is more food available in an area, more black-footed ferrets can survive and reproduce, increasing the species' carrying capacity.
Increased competition for space, more diseases, and more predators would all reduce the carrying capacity of black-footed ferrets by reducing the number of individuals that could survive and reproduce in the area.
Thus, the correct option is D.
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Life on Earth likely evolved from a common ancestor that existed approximately 3.5 billion years ago. Which of these is evidence that all life on Earth shares common features? Select ALL that apply.
Responses
A All life on Earth has DNA as the molecule of heredity.All life on Earth has DNA as the molecule of heredity.
B All life on Earth is made up of cells with a rigid cell wall.All life on Earth is made up of cells with a rigid cell wall.
C All life on Earth performs transcription and translation in a similar fashion.All life on Earth performs transcription and translation in a similar fashion.
D All life on Earth contains mitochondria for cellular energy.All life on Earth contains mitochondria for cellular energy.
E All life on Earth has cells surrounded by membranes.
Answers
the evidence that all life on Earth shares common features is that All life on Earth performs transcription and translation in a similar fashion. and All life on Earth has cells surrounded by membranes.
What is transcription and translation?
The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum create proteins following the transcription of DNA to RNA in the cell's nucleus. The entire process is known as gene expression.
What is cell membrane?
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
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The following case study is a paraphrase from "Good Clinical Practice. Standard Operating Procedures for Clinical Researchers" (Kolman, J., Meng, P. and Scott, G. editors; John Wiley and Sons publishers, 1998):
“While a study subject and a relative were walking in town one day during the summer, a hanging flower basket fell on a study subjects head, resulting in the study subject falling down and becoming unconscious. The subject’s relative called for an ambulance. On arrival at a local hospital’s Emergency Department, in which the subject regained consciousness but could not recall the event, a x-ray revealed a fractured skull. The subject’s consciousness level at this point was deteriorating and after further tests a subdural hematoma was diagnosed, which was evacuated under general anesthesia. Postoperative recovery was uneventful and progressing well until day four, when the patient developed acute dyspnea (shortness of breath) at rest during visiting time. An emergency lung scan was performed that confirmed a diagnosis of pulmonary embolism. The study subject was anticoagulated and was eventually discharged from the hospital”
1. What is/are the AE/s in the case study?
2. Are there any AEs that are "serious"? If "yes", list them and state why they are serious.
3. What are your thoughts about the AE(s) being related to the study drug (NOTE: we do not know whether the subject is on active drug or placebo)?
Answers
The patient has been diagnosed with no Golgi apparatus in the cells. Does this present a problem with the diffusion of glucose across the plasma membrane?
1) No, this does not present a problem because the Golgi apparatus has nothing to do with the maintenance of the phospholipid bilayer and the diffusion of glucose into the cell.
2) Yes, this presents a problem because the Golgi apparatus packages up the transport proteins to be taken to the membrane and embedded in the phospholipid membrane to assist glucose diffusing into cell by active transport. Glucose would not be able to diffuse into the cell.
3) Yes, this presents a problem because the Golgi apparatus packages up the transport proteins to be taken to the membrane and embedded in the phospholipid membrane to assist glucose diffusing along its concentration gradient into the cell. Glucose would not be able to diffuse into the cell.
Answers
No, this does not present a problem because the Golgi apparatus has nothing to do with the maintenance of the phospholipid bilayer and the diffusion of glucose into the cell. That is option 1.
What is Golgi apparatus?The Golgi apparatus is an example of the membrane bound organelles that are located within the cell which assists in the transport of materials such as synthesized proteins from within the cell to the exterior.
The molecules that are responsible for the transport of glucose is the glucose transporters (GLUTs) located within the cells, which transport glucose across the plasma membrane by means of a facilitated diffusion mechanism.
It can be concluded that when a patient is diagnosed with absence of Golgi apparatus, to transport of glucose should not be affected because there is not connection between Golgi apparatus and glucose transport within the cells.
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The function of the endocrine system is to:
A. Prevent germs in the environment from entering the body
B. Produce hormones that help the body work properly
C. Eliminate waste materiais from the body
D. Carry vital nourishment to all ceils of the body
Answers
The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?
Answers
The long, bushy tail of the raccoon may be a selective advantage for this species because the bushy tail helps keep the face warm during a snowstorm (Option d). In addition, it may serve as camouflage and also may act to communicate with other members of the population.
What is an evolutionary selective advantage?An evolutionary selective advantage is a feature in a species that confer an advantage to survive and reproduce in a particular environmental condition, which may be associated such as in this case to the tail in raccoons.
Therefore, with this data, we can see that an evolutionary selective advantage is any phenotypic feature that enhances the survival and or reproductive rate of individuals in a population or species.
Complete question:
The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?
selective advantage only applies to populations
the opossum tail can grab onto a tree for balance
tail fur does not have an impact on survival
the bushy tail helps keep the face warm during a snowstorm
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Which statements are true of all plants? Select four options.
Answers
All plants are multicellular, All plants are eukaryotic, All plants are autotrophic, and All plants need sunlight.
All plants are multicellular, All plants are eukaryotic, All plants are autotrophic, and All plants need sunlight are true about plants.
What are the characteristics of autotrophs?An autotroph or primary producer is an organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide, generally using energy from light or inorganic chemical reactions.
Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms. Algae, which live in water and whose larger forms are known as seaweed, is autotrophic.
Examples of organisms that are autotrophic are plants and algae, and they have specialized cell organelles that have the ability to power the process of photosynthesis.
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A population of 6000 ants lives inside a dead log that measures 3 square meters. What is the population density of the ants?
Answers
Answer:
2000 ants per square meters.
Explanation:
The population density, D, of a population can be calculated by dividing the total number of individuals by the area covered by that population. That is;
D = N/A
Where;
D = population density
N = population of individual organism
A = area covered (m²)
According to this question, a population of 6000 ants lives inside a dead log that measures 3 square meters. Hence, N = 6000 ants, and A = 3m²
Therefore, the population density (D) = 6000/3
= 2000
The population density is 2000 ants/square meter.
Explain why the nitrogen bases are considered the genetic code. Why are they so important?
Answers
Answer: mountain roads are winding and gently sloping in order to reduce the effect of steepness which causes more downward gravitational pull to the vehicle on it . A steeper sloped road would slow the car down to a greater extent that an gently sloping one.
Explanation:
glycine-hcl/edta treatment of red cells can destroy which of the following antigens, allowing for confirmation of a suspected antibody and detecting additional antibodies?
Answers
Bg and Kell. Alloantibodies to the antigens Rh and Kidd, as well as antibodies to carbohydrate antigens cells, are made more reactive by enzyme treatment (ABO, H, I, P, and Lewis).
Reactivity to the MNS and Duffy antigens is typically eliminated by enzyme therapy. EGA, short for "EDTA Glycine-Acid," is how blood bankers typically pronounce it. Red blood cells' IgG antibodies are removed from their surface using this reagent, which is rather frequent in immunohematology reference labs. Glycine-HCl/EDTA elution and heat elution were found to be more efficient at removing the antibodies associated to the red cells than chloroquine diphosphate when used to perform elution on in-vitro sensitised red cells.
The complete question is:
glycine-hcl/edta treatment of red cells can destroy which of the following antigens, allowing for confirmation of a suspected antibody and detecting additional antibodies?
Bg
Kell
IgG1
IgG3
IgM
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How much time is needed for a 15,000 W engine to do 1,800,000 J of work ? (Power: P = W/t)
Answers
Answers:
T =120s
Explanation:
P=15,000
W=1,800,000 J
P=W/T
T=W/P
T=1,800,000 J/15,000W
=120s
Compare and contrast a ridge and a mountain.
Answers
The key difference is that a ridge has a continuous crest and a single ridgeline for the whole length of the feature. Mountain ranges usually consist of many smaller ridges.
What are the features of ridges?A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance.
Moreover, four classes of oceanic ridges are considered: spreading-center ridges, fracture-zone ridges, basaltic-volcanic ridges, and island arc ridges.
A ridge is a long and narrow elevation that has steep slopes on either side and stands out from the surrounding lowlands. It also acts as a watershed to rivers that flow down narrow valleys on both of its sides.
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86
2
Describe the path followed by a sound wave from its source to the cochlea in
the human ear.
Answers
Answer:
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes. M not sure
A flower with alleles for both blue
and white has light blue petals as
both alleles are dominant. This
blending of colors is an example
of...
A. incomplete dominance.
B. codominance.
C. multiple alleles.
Answers
Answer:
A. Incomplete Dominance
Explanation:
In flowers, incomplete dominance is a presentation of an "in between" color. In this case, if the parental flowers can be either blue or white, but produce light blue offspring... that would be incomplete dominance.
Please help ASAP
(30points)
What happens to the glucose molecule during the process of cellular respiration?
A) It gets broken down.
B) It forms oxygen.
C) It builds muscles.
D)It uses up energy.
Answers
Answer:
During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. so A
Explanation:
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
Answers
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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A )
Three people are trying to move a box. Which set of forces will result in a net
force on the box of 20 N to the right?
ОА.
20 N
6N
6N
OB.
18 N
28 N
10 N
od od
O c.
口高
55 N
16 N
17 N
OD.
3 B
55 N
17 N 16 N
Answers
Answer:
20N coz the box is 20N and I'm sure it has no any force added on it
How does your diet (the different types of foods you eat) affect the water cycle?
Answers
Explanation:
eating less meat, wasting less food could save water worldwide
Himalayan predator how to classify it in terms of feedimg
Answers
Answer:
Himalayan wolves prefer wild over domestic prey. They prefer the smaller Tibetan gazelle over the larger white-lipped deer, and they prefer the plains-dwelling Tibetan gazelle over the cliff-dwelling bharal. Supplementary food includes the small Himalayan marmot, woolly hare, and pikas. Predators are carnivores, which means their diet consists of meat. Some predators, such as coyotes and bears, are also scavengers, meaning they will eat the carcasses of animals that they didn't hunt themselves. Opposite of predator, you have prey — the animals predators hunt and eat.
Explanation:
A scientist was investigating why several fish caught from a local stream displayed similar mutations. He found that the water temperature of the stream was elevated since an industrial plant began discharging heated water into the stream. The scientist concluded that increased water temperature during the egg phase led to the mutation in the fish. According to this conclusion, the mutation was caused by
Answers
Answer: Increased water temperature caused by the industrial plant.
Explanation: this is explained in the text lol.
Answer:
An Environmental Condition
Explanation:
It explains in the text that it started when an electrical plant began discharging heated water into the stream.
One common purpose of snacking is to stabilize Between meals
A blood glucose levels be fat intake, C called intake d protein intake
Answers
Several studies have indicated that eating every few hours helps to keep your blood sugar stable.
What is snacking?Snacking is just eating or drinking something between meals, regardless of whether the food is nutritious or not. A snack is a little piece of food that is typically consumed between meals.
Snacks are available in a variety of formats, including packaged snack foods and other processed foods, as well as items created at home from fresh ingredients.
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Who was "Ibn ul Haitham" and what are his contributions in the field of science?
Answers
Answer:
Born around a thousand years ago in present day Iraq, Al-Hasan Ibn al-Haytham (known in the West by the Latinised form of his first name, initially “Alhacen” and later “Alhazen”) was a pioneering scientific thinker who made important contributions to the understanding of vision, optics and light.
Yasmine wants to be healthier, so she decided to join her local gym. She has not worked out with weights before, but she figures that she can just look at what other people are doing and figure it out. What is the BEST advice for Yasmine?
Answers
Answer:
-Take it slow
-Don't copy others do what you can manage
- Warm-up first
These are all very important as others may be more experienced and trained so they can handle weight-lifting techniques and have adapted their muscles to help them.
Hope that helps. x
Circulatory System
Label the following parts:
Heart
Vein
Artery
Capillary
10
Answers
The circulatory system, also known as the cardiovascular system.
What is the circulatory system?The heart is a muscular organ located in the chest. It acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. The heart has four chambers: two atria (left and right) and two ventricles (left and right).
Veins transport deoxygenated blood back to the heart from the body tissues. Arteries carry oxygenated blood away from the heart to various organs and tissues. Capillaries the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
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Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two resulting molecules to the right.
What must be added to the chemical equation to more accurately represent photosynthesis?
light energy, above the arrow
chlorophyll, to the left of the arrow
enzymes, to the left of the arrow
ATP, above the arrow
Answers
Navah needs to add light energy, above the arrow for the chemical equation to accurately represent photosynthesis.
Photosynthesis is the only process that can utilize the sun's energy to manufacture food, thus making green plants the main food producers for all other living organisms.
The two reacting molecules or the raw materials for this process are carbon dioxide and water.
The final product of this process or the two resulting molecules are sugar and oxygen.
The light energy needed to drive the process of photosynthesis is from the sun without which the process wont occur.
Therefore the process may be summarized in the chemical equation as follows:
6H₂O + 6CO₂ \(\frac{light energy}{}\) > C₆H₁₂O₆ + 6O₂
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Answer:
A
Explanation:
light energy, above the arrow
Which organism is the most closely related to birds?
And why?
Answers
Answer:
chick
Explanation:
it has feathers and lays eggs
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.