if an animal cell suddenly loses the ability to produce GTP. It would not be able to activate and inactivate the G protein on the cytoplasmic side of the plasma membrane.
G proteins, sometimes referred to as guanine nucleotide-binding proteins, are a family of proteins that function as molecular switches within cells, relaying signals from a range of stimuli outside a cell to its interior.
Their ability to bind to and hydrolyze guanosine triphosphate (GTP) to guanosine diphosphate is governed by several different variables (GDP). They are "on" when they are bound to GTP and "off" when they are bound to GDP. The wider class of enzymes known as GTPases includes G proteins.
Thus, when the cell will not produce GTP then these G protein receptors are not activated and thus signalling will not be carried further.
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One way carbon dioxide enter the atmosphere
by burning fossil fuels
calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 44 mm hg . assume hemoglobin is 50 % saturated with oxygen at a partial pressure of 26 mm hg and that the hill coefficient is 3.
The fractional saturation for hemoglobin is 0.8290 when the partial pressure of oxygen is 44 mm hg.
The fractional saturation for hemoglobin can be described as the ratio of the total hemoglobin which is oxygenated.
The fractional saturation for hemoglobin can be calculated by using the following formula;
FS = (partial pressure of oxygen)^n ÷ (partial pressure of oxygen at which hemoglobin is 50% saturated)^n + (partial pressure of oxygen)^n
Here n represents the hill coefficient
Substituting the values in this formula to determine the fractional saturation;
Fractional saturation = (44)³ / (26)³ + (44)³
Fractional saturation = 85,184 / 17,576 + 85,184
Fractional saturation = 85,184 / 102,760
Fractional saturation = 0.8290
Therefore, the fractional saturation for hemoglobin is calculated to be 0.8290 when the partial pressure of oxygen is 44 mm hg.
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What statements are true regarding the purple, blue and green dots in the extracellular space compared to the intracellular space?
1. there is a lower concentration in the extracellular space compared to the intracellular space
2. there is a higher concentration in the extracellular space compared to the intracellular space
3. there is no concentration difference between the intracellular and extracellular spaces
The statement that is true regarding the purple, blue, and green dots in the extracellular space compared to the intracellular space is there is a higher concentration in the extracellular space compared to the intracellular space. The correct option is 2.
What is intracellular space?Intracellular space is the space inside the cell and extracellular space is the space outside the cell. There is a semi-permeable membrane between the outside and inside cells.
Therefore, the correct option is 2. There is a higher concentration in the extracellular space compared to the intracellular space.
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What are the first three amino acids coded by this new mutated sequence
The first three amino acids coded by this new mutated sequence are Glutamine, Alanine, and Lysine.
One triplet nucleotide is coded for by one amino acid. Therefore, there are 16 nucleotides altogether following the insertion of the adenosine residue. The mRNA sequence will thus encode five amino acids. A codon is a collection of three nucleotides that are found in mRNA, and each codon designates an individual amino acid (hence, it is a triplet code). Thus, the chain of amino acids that makes up a protein is assembled in accordance with the template provided by the mRNA sequence and this is how Glutamine, Alanine, and Lycine form.
A gene encodes the amino acid composition of a polypeptide. The polypeptide's amino acid composition is determined by the bases in the gene's DNA. Proteins can either have a single polypeptide or many polypeptides linked together. All of a cell's or an organism's generated proteins are found in the proteome. A codon is a group of three DNA or RNA nucleotides that specify an amino acid or serve as a signal to cease protein production.
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Please help, I'm a little lost
If an allele from this identical region had 10 repeat units, I would anticipate it to be 49 bp long.
Describe base pair.On the two opposing strands of the DNA double helix, nucleotides, molecules, interact chemically. The two strands of DNA are held together by these chemical linkages, which function as rungs on a ladder. These bases are offered in particular pairs (A with T, and G with C).
The remaining 32 bases, according to this claim, are made up of eight four-base repeating units. Therefore, 8 x 4 = 32. From 32 + 9 = 41, you can then deduce all the bases from the original. If there were 10 repeat units, the number would be 10 x 4 = 40. The result would be 40 + 9 = 49. I think my justification was at least slightly clear.
The appropriate response is C; 49bp.
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Which of the following could result in the extinction of a species?
harsh restrictions on poachers
increase in the habitat size of a species
adding a new species to the habitat
decrease tourism in protected areas
Answer:
Adding A New Species To The Habitat
Explanation:
Hi my name Is Cash and I'll be answering your question today! Quite easy actually!
So let's begin.
K so the question says . . .
Which of the following could result in the extinction of a species?
harsh restrictions on poachers
increase in the habitat size of a species
adding a new species to the habitat
decrease tourism in protected areas
. . . Now let me explain why the answer is C
Which of the following could result in the extinction of a species?
A: Harsh Restrictions On Poachers- is a good thing for those of you who don't know what a poacher is a poacher is a horrible person who kills rare and endangered animals for their fur,horns etc. and sells them on the black-market or alley, so them putting restrictions on the poachers could help. ... they still do it though being for real but we'd still say thats a good thing.
B- Increase of habitat size of species- that is always a good thing, cuz theres more room for animals to rome around. They don't go near the cities because it's not their habitat.
And C- Adding a new species to a habitat is bringing a animal that wasn't orginal in this enviroment and could most likely disrupt the animal kingdom in that enviroment.
AND D WE KNOW IS RIGHT BUT I WILL EXPLAIN ANYWAYS- okay imagine your a animal and your afraid of humans because they are so evolved then one day they walk right into your home and start smiling all creepy and snapping photos tourism is good. animals like peace.
MARK ME BRAINLIEST PLS
I encourage you to do your own work next time :) K BUDDY
5. how big of an effect was caused by changing the selection pressure against genotype aa from 0.99 to 0.95? how would you expect this to change if you had a much larger population (your simulation was of a population of 500 individuals)?
What we need to remember right away is that this double is what is really bad. If you have both of those recessivlials bad, you do really bad, but if you only have one and are heterozygous, you don't get that bad. You may pass it on to your children, but you are fine, and so is each generation.
We'll see that people who have this double aren't really going to make it, but people who have only one are fine, and people who have none are also fine, and because generations are so far apart, we'll say that no, you won't really see the effects of this in your lifetime.
It will happen gradually because, while we will get rid of people with two, we will not get rid of people with one, so it can still be passed on. This can still happen, and we'll see it gradually decrease with each generation, which, as previously stated, is years apart, so you won't see any drastic effects for many years because it takes many generations.
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A pellicle is a characteristic of the
The defining property of euglenoids is the presence of pellicles.
They are flagellates with only one cell. They mostly include freshwater.
They exhibit heterotrophy (Saprotrophic or Phagocytic). The defining property of euglenoids is the presence of pellicles. The complex structure known as a pellicle is made up of layers of protein. The cell's plasma membrane protects it. Euglenoids form a protective layer over them.
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For each of the following DNA sequences, write the complementary RNA sequence.
The complementary RNA sequence to the given DNA sequences are as follows:
UCG CUA AGUGCU UUU GAAAAU UAA GGG CAAUAU GCA CCG CUU GUA CGU UUACAG UCA GUC AGU CAG UCA GUCWhat is the difference between DNA and RNA?DNA is the genetic material that is found in living organisms.
It stores genetic information and is transcribed to RNA which is used to make proteins.
DNA differs from RNA in that DNA is double-stranded while RNA is single-stranded.
DNA also has the nucleotide thymidine whereas RNA has Uracil.
Hence, in transcribing DNA to RNA, thymine is replaced with Uracil.
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if blood pressure is high, does the body increase or decrease dilation ?
several factors account for the movement of water up xylem vessels. which single factor is most important in pulling water toward the top of a tall tree?
The single most important factor in pulling water towards the top of a tall tree is the evaporation of water through the stomata.
Xylem vessels are vessels that transport water from the roots of the plant to the leaves to be used for photosynthesis. The process is somewhat easier for short plants and shrubs as their leaves are close to the ground and the water doesn't need to travel very far to reach the leaves. For tall plants however, it's quite different.
The cohesive and adhesive properties of water enable tall plants to pull water from their roots. adhesion makes water molecules stick to the walls of the xylem vessel, and cohesion makes water molecules stick together. A combination of the two brings about capillary action, which accounts for the movement of water up xylem cells. However, this is not the most important factor.
Capillary action alone can only pull water about halfway through the xylem of tall trees before coming under the influence of gravity. When water evaporates from the stomata in the leaves, it creates a kind of vacuum in the xylem. This effect pulls water from the roots all the way to the leaves, hence, the important factor in pulling water towards the top of a tall tree is the evaporation of water through the stomata.
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Question: On a astrology website I found my RISING sign is SCORPIO and my ASCENDANT sign is LIBRA. Doesn't ascendant and rising mean the same thing? Although what does that mean if I have two different signs?
The term ascendant sign or rising sign or Lagna refers the same. Technically speaking the ascendant sign is the eastern point of sign viewed from any point in earth, since Sun rises in the east.
Libra is balanced and easy going, While scorpio is balanced but intence. In conflict or any other situation libra tends to be on both sides while scorpio stays clearly on either side, wed from earth the ascendant sign is also referred as rising sign.
If Scorpio is your rising sign, you can come across as enigmatic, reserved, and seductive. It can be a sexually charged charm, but it's not necessarily one. Your innate sensuality may startle others when they first meet you because Scorpios are known as the zodiac's most sexual sign.
Born with Libra on your Ascendant (or Rising), life is likely to be experienced as a constant series of choices. It is important for you to consider everything from multiple points of view, weighing up “the pros and cons” before making any important decision.
What do you mean by astrology?
Since the 18th century, astrology has been acknowledged as a collection of divinatory traditions that use apparent celestial object positions to gather information about human affairs and terrestrial happenings.
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we set up an experiment where the same species of plant is grown in boxes covered with plastic that only allows a single color of light through. in which box would we expect the least plant growth and even perhaps the death of the plant to occur?
you have an f2 generation derived from two true-breeding parents (aa and aa) with different characteristics for the same trait (determined by a single gene). what percentage of the recessive phenotype would you expect to be true breeding if they were self-fertilized?
25% of the recessive phenotype would you expect to be true breeding if they were self-fertilized.
What is self-fertilized?
self-fertilization is the union of cells from the same person's male and female gametes. species, such as the majority of flowering plants, countless protozoans, and many invertebrates, are capable of self-fertilization. In unicellular creatures like the protozoan Paramecium, autogamy, or the creation of gametes by the division of a single parent cell, is commonly observed.
However, these species also have the ability to reproduce by conjugation, a process in which two individuals exchange genetic material over a cytoplasmic bridge in order to cross-fertilize. Similarly, most self-pollinating species of higher plants, the majority of which are monoecious (male and female gametes are generated by the same person), are also capable of cross-fertilization, and even those that are obligatory self-fertilizers occasionally inadvertently do so.
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Question 3
Which TWO statements are TRUE regarding the structures shown in the diagram and how they interact to express information in the cell?
A
Molecules A and B are self-replicating.
B
Molecule B can be used to produce molecule A.
C
Molecule A can be used to produce molecule C.
D
Molecules A and C interact in the process of translation.
E
Molecules B and C interact so that amino acids can be joined together.
The statements Molecule B can be used to produce molecule A and Molecules B and C interact so that amino acids can be joined together are TRUE regarding the structures shown in the diagram (Options B and E).
What are transcription and translation?Transcription is the process by which a DNA template (molecule B) can be used to synthesize a complementary RNA (molecule A), while translation is a process in which an sequence is used as templates to generate a protein, which requires tRNAs (molecule C) to trasnport amino acids to the ribosomes.
Therefore, with this data, we can see that DNA is molecule B used to create RNA, which is molecule A, while tRNA is represented by molecule C and it is used during translation.
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What is a product?
The "input" or ingredients of a chemical reaction
The "output" or end result of a chemical reaction
help with this question
Consider that a plant with genotype RR has red flowers and a plant with genotype WW has white flowers. This plant species expresses incomplete dominance for flower color when the plant is heterozygous.
Answer:
Knowing that a certain flower shows a pattern of incomplete dominance,create a punnet square showing a cross of TWO PINK flowers. b.r=red; w=white.
Explanation:
oum I hope it helps correct me if I'm wrong thanks
PLEASE HELP
how does the nucleus function work in a plant cell
4-5 sentences
thank you
Answer:
Answer down below!
Explanation:
The nucleus within the plant cell stores the DNA inside. It also coordinates the cell's activities. Those include things like protein synthesis and reproduction. Plus, the nucleus also regulates the DNA so things don't get out of hand.
Hope this helps!
Which type of cytoskeletal element is described as a solid, thinner structure, often organized into a branching network, and composed of actin subunits?.
Microfilaments are solid, thinner structures, type of cytoskeletal often organized into a branching network and composed of the protein actin.
What is Cytoskeleton composed of actin subunits?
A part of cells that helps maintain their structure and organization is the cytoskeleton. The cytoskeleton has many functions, including aids in the process of cell division and helps move materials into and out of a cell .The cytoskeleton is made up of cytoskeletal filaments, which are essentially protein filaments found in the cytoplasm of cells. The intermediate filaments are composed of protein filaments. F-actin and microtubules are composed of globular proteins, whereas intermediate filaments are composed of filamentous proteins. As a result, we can infer that each of the three main cytoskeletal filaments constituent parts has the ability to attach to and hydrolyze nucleotides.
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What is the main precursor derived mostly from carbohydrates to start fat biosynthesis?.
The enzyme acetyl-CoA carboxylase acts to change acetyl-CoA, which is primarily produced by the metabolism of carbohydrates, into malonyl-CoA.
Describe lipogenesis.The process of creating fatty acids and triglycerides from glucose or other substrates is known as lipogenesis. The liver is where this specific biosynthesis occurs most frequently.
What stages include lipogenesis?Since the required acetyl CoA is produced in the mitochondria and cannot cross the mitochondrial membrane, lipogenesis takes place in the cytoplasm. Pyruvate is transformed into acetyl CoA and oxaloacetate to address this issue. These transformations involve the use of two distinct enzymes. Pyruvate dehydrogenase produces acetyl CoA, whereas pyruvate carboxylase is responsible for the formation of oxaloacetate. Citrate is created when acetyl CoA and oxaloacetate mix.
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what is a plausible explanation for why hematocrit returns to normal within weeks after bringing testosterone levels up to physiological levels while muscle and bone take months and years, respectively?
Testosterone has a well-documented erythrogenic impact that will increase purple blood mobileular production. Testosterone remedy is related to a dose-structured boom in hemoglobin and hematocrit levels16-18; the will increase in hemoglobin and hematocrit are more in older guys than in younger guys.
An American examine that evaluated the outcomes of graded doses of testosterone on erythropoiesis determined that the proportion of hematocrit commenced to boom inside one month of the begin of remedy and endured to boom after 3 months in a linear dose-structured manner.
Most guys will get better regular testosterone ranges inside 18 months in keeping with the findings from research that regularly concerned fewer than three years of androgen deprivation therapy.
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if you were asked to use a light microscope to locate specific molecules in a cell, what would be the best form of light microscopy to use? * 4 points a. nomarski b. phase-contrast c. brightfield, unstained d. brightfield, stained e. fluorescence
If you were asked to use a light microscope to locate specific molecules in a cell, fluorescence would be the best form of light microscopy to use.
What is light microscopy?Modern cell biology relies heavily on light microscopy as a technique. The resolution of light microscopy is well matched to the sizes of subcellular structures, a wide variety of fluorescent probes are available for marking proteins, organelles, and other structures, and living cells can be imaged for extended periods of time to follow their dynamics. These characteristics make light microscopy the ideal tool for imaging biology in living cells.
Fluorophores, which are molecules that absorb one wavelength of light (the excitation wavelength) and emit a second, longer wavelength of light, are used in fluorescent microscopy (the emission wavelength).
The correct answer is Option d) fluorescence.
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A histologist examines tissue that was found holding one bone to another. What term best describes this tissue?
A
connective tissue
B
nervous tissue
C
muscle tissue
Answer:
A. Connective tissue
Explanation:
Since the tissue was holding one bone to another, it is connecting them, hence, connective tissue.
Which type of contraction involves holding muscles still in a particular position?.
Isometric contraction involves holding muscles still in a particular position.
An isometric contraction occurs when tension is applied because the length of the muscle is substantially unaltered. For example, when doing a biceps curl while holding the weight fixed rather than actively raising or lowering it, isometric contraction takes place.
Muscles are rarely harmed during isometric contractions, despite the fact that the forces produced could be larger than those during concentric contractions.
Although isometric circumstances can be seen over the entire heart (for instance, during isovolumic contraction), isotonic conditions are uncommon because complete unloading is not achievable because afterload is continually changing during the ejection period.
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Would we still always see the same side of the Moon from Earth? Explain.
which statment is the best example of how socaity affects the use of technology
A. People who sell cars make more money when the supply of new cars is low.
B. People who make a lot of money tend to buy new cars with the most modern features.
C. Researchers are developing solar-powered cars that can travel long distances.
D. Larger vehicles that use gasoline release more carbon dioxide than smaller gasoline-powered cars.
Answer: C. Researchers are developing solar-powered cars that can travel long distances
Estimate daily energy needs for an active 60 kg man to gain weight and a 70 kg sedentary woman to lose weight
Women: BMR = weight in kilos x 2 x 11.
Men: BMR = weight in kilos x 2 x 12.
An active 60 kg woman's daily energy requirements for weight loss are 2,027 divided by 0.85, or 1,723 kcal.
An energetic 60 kg man needs 2,027 x 1.2 = 2,432 kcal per day to gain weight.
How do you calculate energy based on weight and age? The PAL value by the BMR, they were transformed into energy units (i.e. joules and calories). Requirements were divided by the weight employed in the equations to predict BMR in order to express them as energy units per kilogram of body weight. This computation is illustrated by the example given below for a population of females who lead a moderately active lifestyle and have a mean body weight of 70 kg:As a rule of thumb, BMR uses 11 calories for every 0.5 kg of a woman’s body weight and 12 calories per 0.5 kg of a man’s body weight.
Women: BMR = weight in kilos x 2 x 11 (alternatively weight in pounds x 11)
Men: BMR = weight in kilos x 2 x 12 (alternatively weight in pounds x 12)
Example: BMR for a 60 kg woman = 60 x 2 x 11 = 1,320 kcal.
You can either multiply the number above (maintenance calorie needs) by 0.85 or reduce your daily calorie consumption by 15%. A weekly fat reduction of roughly 0.5 kg will result from this. An active 60 kg woman's daily energy requirements for weight loss are 2,027 divided by 0.85, or 1,723 kcal.
The preceding number (maintenance calorie needs) should be multiplied by 1.2 or increased by 20% everyday. Expect a weight increase of 0.25–0.5 kg per month when combined with a resistance training regimen. An energetic 60 kg lady needs 2,027 x 1.2 = 2,432 kcal per day to gain weight.
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The time during fetal growth when specific parts or organs develop is known as ________.
The time during fetal growth when specific parts or organs develop is known as the critical period.
Fetal Development: Growth Stages The egg that will become your baby rapidly divides into several cells within 24 hours of fertilization. The embryo turns into a fetus by the eighth week of pregnancy. A typical pregnancy lasts for about 40 weeks. Three trimesters are created out of these weeks.
The fourth through sixth months of your pregnancy will see significant fetal development spurts, which will cause you to put on a lot of weight. Your pre-pregnancy BMI and if you are carrying multiples will affect how much weight you gain. During your pregnancy, you may put on between 11 and 54 pounds.
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Water would be considered
Living
Non-Living
Dead
it is called non- living because it does not have life in it
Answer:
it would be considered non living
Explanation:
water cant reproduce,excrete,respire and it doesn't have a circulation system.