A scientist wants to examine a genetic disease in humans. The scientist hypothesizes that the disease can be treated by using gene therapy. Humans take a long time to reproduce and develop, so the scientist will have to
give up on testing the hypothesis.
test the hypothesis for a very long time.
develop new methods to test the hypothesis.
find a way to make humans reproduce faster.

Answer:

d

Explanation:

protien just took the t est

Answer:

pH might affect kelp by reducing it rate

Answer: In some organisms, chloroplasts play a vital role in the photosynthesis process. The chloroplast receives sunlight's energy and converts it to sugars. In some organisms, chloroplasts play a vital role in the photosynthesis process.

Explanation:

The DNA fingerprinting technique that examines the length variation of DNA repeat sequences in human DNA is called Variable Number Tandem Repeat (VNTR) analysis.

VNTRs are DNA regions that comprise short, repeating nucleotide sequences. Because the number of repeats at a specific VNTR locus can differ between people, it is a useful tool for DNA profiling.

VNTR research entails amplifying VNTR regions with PCR and then sorting the amplified fragments by size with gel electrophoresis.

Unique DNA profiles can be produced by comparing the size and number of amplified fragments between different people, which can then be used for identification and other purposes.

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Answer:

True

Explanation:

The fertilized egg is developed within the fallopian tubes, lining the uterus.

Answer:

We take two parents having coat colors in brown and white. Now when we cross them the offsprings produced have both patches of brown and white on their coats(commonly known as roan). The alleles responsible for brown and white coat both expressed themselves independently thus we say they are codominant.

Explanation:

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False, a large cerebral hemorrhage in the right hemisphere will not lead to sensory and motor deficits on the right side of the body.

A brain blood artery that breaks due to illness or injury is the main cause of cerebral hemorrhage. Blood may now enter the brain because of this. Cells in the brain may be harmed by the abrupt increase in pressure. And a quick rise in blood volume might result in sensory unconsciousness or even death. When the cerebrospinal fluid gaps around the brain are filled with blood, this is known as a cerebral hemorrhage. Both ailments are quite severe. the sensory body's components and the tasks they govern in addition to depleting the brain of oxygen and destroying brain cells.

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The correct pairing of neurotransmitters in the parasympathetic division of the autonomic nervous system is that both release ACH.

Acetylcholine inside the autonomic nervous system. The neurotransmitter in preganglionic sympathetic and parasympathetic neurons of the autonomic nervous system is called acetylcholine (ACh).

The heart, lungs, upper gastrointestinal tract, and sweat glands all have muscarinic acetylcholine receptors on their peripheral nerve systems.

The central and peripheral nervous systems depend on acetylcholine, a sort of chemical messenger or neurotransmitter, to function properly. It aids in learning, memory, and attention as well as the control of muscular motion and autonomic bodily processes.

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(a)Characteristics would be round and yellow seeds. (b) Characteristics would be a 3:1 ratio of round and yellow seeds to wrinkled and green seeds. (c) Characteristics would be wrinkled and green seeds. (d) characteristics would be round and yellow seeds.

Genotype refers to the genetic makeup of an organism.

(a) Given,  RR YY x RR YY

All offspring would be homozygous dominant (RR) for seed shape (round) and homozygous dominant (YY) for seed color (yellow).

Phenotype of all offspring would be round, yellow seeds.

Genotype of all offspring would be RR YY.

So, the characteristics of the progeny would be round and yellow seeds.

(b) Given, Rr Yy x Rr Yy

All offspring would be heterozygous (Rr) for seed shape (round) and heterozygous (Yy) for seed color (yellow).

Phenotype would show a ratio of 3:1 for round, yellow seeds to wrinkled, green seeds.

Genotype would show ratio of 1:2:1 for RR YY, Rr Yy, and rr yy, respectively.

So, the characteristics of the progeny would be a 3:1 ratio of round and yellow seeds to wrinkled and green seeds.

(c) rr yy x rr yy

The progeny of this cross would have the following characteristics:

All offspring would be homozygous recessive (rr) for seed shape (wrinkled) and homozygous recessive (yy) for seed color (green).

Phenotype would be wrinkled, green seeds. Genotype would be rr yy.

So, the characteristics of the progeny would be wrinkled and green seeds.

d) Given, RR YY x rr yy

All offspring would be heterozygous (Rr) for seed shape and heterozygous (Yy) for seed color.

Phenotype would be all round, yellow seeds. Genotype would be RR Yy and Rr Yy.

So, the characteristics of the progeny would be round and yellow seeds.

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Answer:

16\(\pi\)

Explanation:

the surface area of a sphere is 4\(\pi\)r^2

so r as 2 would mean the surface area is 16\(\pi\) or about 50.265 meters squared.

Answer:

genetic engineering

Explanation:

genetic engineering

An organism's energy storage molecules decrease when it reproduces.

As a transfer molecule, ATP, between exergonic and endogenic reactions, energy is quickly depleted.

When cells divide during mitosis or meiosis, ATP and NADPH are used to power the processes.

As mitochondria are randomly distributed, their ATP generation continues because ATP is not stored but is constantly used.

The hydrolysis of ATP results in the formation of ADP, inorganic phosphate ion, and the release of free energy.

To carry out life processes, ATP is constantly broken down into ADP, and ADP, like a rechargeable battery, is constantly regenerated into ATP through the reattachment of a third phosphate group.

Thus, we can conclude that energy decreases when organisms reproduce.

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The true statement regarding the activity of the ribonucleotide reductase is it converts ribonucleoside diphosphates into 2′-deoxyribonucleoside diphosphates in humans. The correct option is (a).

The correct statement regarding the activity of ribonucleotide reductase is (a) It converts ribonucleoside diphosphates into 2′-deoxyribonucleoside diphosphates in humans.

Ribonucleotide reductase is an essential enzyme that plays a crucial role in DNA synthesis by catalyzing the conversion of ribonucleoside diphosphates (NDPs) into their corresponding 2′-deoxyribonucleoside diphosphates (dNDPs).

This reaction is a crucial step in DNA synthesis as dNDPs are the building blocks for DNA synthesis, whereas NDPs cannot be directly incorporated into DNA.

The homolytic cleavage of a bond, option (b), is not a function of ribonucleotide reductase. Also, option (c) is incorrect as ribonucleotide reductase accepts electrons from NADPH, not FADH2, and option (d) is incorrect as it receives electrons from thioredoxin, not directly.

Option (e) is incorrect as ribonucleotide reductase contains only one kind of allosteric regulatory site that controls both its overall activity and substrate specificity.

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If you inoculate a new culture with a wrinkly colony, grow the culture overnight, and then plated a sample of the bacteria, you would expect to see two different types of colonies on the plate.

Wrinkly colonies are composed of bacterial cells that have mutated and lost the ability to produce a molecule known as cyclic diguanylate (c-di-GMP). As a result, the bacteria become sticky and adhere to one another, forming a dense mat of cells that resembles a wrinkled surface.

Bacterial colonies with normal morphology.The second type of colonies will resemble the typical morphology of the bacterial cells present in the culture before inoculating with the wrinkly colony. Because not all bacterial cells in the culture have the same mutation that created the wrinkly colony, you would expect to see colonies with a normal morphology as well.

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Answer:

Bacteria in the lungs may play a major role in disease — and health. Researchers have just mapped where the bacteria are and how they arrived, paving the way for more discoveries about the lung microbiome.

Explanation:

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Calcium absorption is most efficient during infancy. Option B is the correct answer.

During infancy, the body has a high demand for calcium due to rapid growth and development. Calcium is crucial for the formation and strengthening of bones and teeth. Infants have a higher rate of calcium absorption compared to other stages of the life cycle to meet their growing needs. Additionally, infants have a higher expression of calcium transport proteins in the intestine, which enhances the absorption of calcium from the diet.

It is important to note that calcium absorption can vary depending on various factors such as dietary intake, vitamin D status, and overall health. However, in general, infancy is the stage of life where calcium absorption is most efficient, ensuring proper bone development and growth. Option B correctly identifies this stage of the life cycle.

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A transcription unit is a segment of DNA that includes a promoter, an RNA-coding region, and a terminator.

The promoter is the region of DNA that initiates transcription, the RNA-coding region is the segment of DNA that is transcribed into RNA, and the terminator is the region of DNA that signals the end of transcription.

A typical bacterial transcription unit looks like this:

5' -----P----->--------R--------T----- 3'

Where P is the promoter, R is the RNA-coding region, and T is the terminator. The promoter is usually located upstream of the RNA-coding region and is recognized by RNA polymerase, which binds to the promoter and initiates transcription. The RNA-coding region is transcribed into RNA, which is then used to produce proteins. The terminator is located downstream of the RNA-coding region and signals the end of transcription, causing RNA polymerase to dissociate from the DNA and release the newly synthesized RNA.

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Answer:

Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.

Explanation:

Mango and coconut trees are plants, hence it takes them a while to bloom. Depending on the kind and growing conditions, mangoes begin to flowering  three to six years after the seed is planted. It can take a coconut up to 7 years.

Marigolds are simple to grow from seed since they germinate quickly, sprouting within a few days and blooming in around 8 weeks. After the last chance of frost has passed and the soil has warmed up, sow seeds immediately outside. After planting, space seeds 1 inch apart and give them plenty of water.

From the most recent mature shoots' terminal buds, mango blossoms develop. After a period of dormancy, the majority of cultivars only flower once per year in the winter or spring. Cool evenings and dry weather are typically what start flowers.

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The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67

The hypergeometric distribution has three parameters:central idea

N: the total population size (60 children in this case)

K: the number of success states in the population (40 non-breastfed children in this case)

n: the number of draws (5 children chosen in this case)

To calculate the variance of X, Var(X), for the hypergeometric distribution, the formula is:

Var(X) = n * (K / N) * ((N - K) / N) * ((N - n) / (N - 1))

Using the same values as before, we have:

Var(X) = 5 * (40 / 60) * ((60 - 40) / 60) * ((60 - 5) / (60 - 1))

= 1.67

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Answer:

A.

Explanation:

Phototropism is most often observed in plants, but can also occur in other organisms such as fungi. The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs.

Answer: bornite

Explanation: A copper-ore mineral, copper and iron sulfide (Cu5FeS4). Typical occurrences are found in Mount Lyell, Tasmania; Chile; Peru; and Butte, Mont., U.S. Bornite, one of the common copper minerals, forms isometric crystals but is seldom found in these form

Answer: increasing places to park biks

Explanation: hope this helps

Answer:

c

Explanation:

Answer:

Independent is the thing you change and the dependent is what changes because of the thing you change.

Example:

If you had 2 cookies available you'd only have 2 people while if you had 200 cookies than you would have way more people. So the independent would be amount of cookies and the dependent would be how many people show up.

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Answer: 22.7 =G

22.8= C 27.1 =T

Explanation:

The cells involved with metabolic exchange in the Central Nervous System are C. astrocytes.

Astrocytes are a type of glial cell found in the Central Nervous System (CNS) that play a crucial role in metabolic exchange. These cells are involved in maintaining the energy balance and providing metabolic support to neurons. Astrocytes have numerous processes that extend to blood vessels and neurons, allowing them to closely interact with both.

One of the primary functions of astrocytes is to regulate the uptake and metabolism of glucose, the main energy source for the brain. They take up glucose from the bloodstream and convert it into lactate through a process called glycolysis. Lactate is then released and taken up by nearby neurons, which use it as an energy substrate.

Additionally, astrocytes are involved in the regulation of neurotransmitter levels, ion homeostasis, and the removal of metabolic waste products from the CNS. They also participate in the formation and maintenance of the blood-brain barrier, which helps protect the brain from potentially harmful substances.

Overall, astrocytes play a vital role in the metabolic support and maintenance of the Central Nervous System.

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Answer:

Loss of a keystone species or indicator species help in indications for some type of environmental condition, however, the loss of the indicator species takes place due to some change whereas the keystone species is itself affects the particular ecosystem.

Explanation: