- Summarize the process of DNA
replication and explain the
significance of this process.

Answer: I think it’s B

Explanation:

I’m taking the test right now and saw the closed captions for the lecture and it said all of the following are factors except for B) distance from the ozone layer

Based on the given information, my hypothesis would be Hypothesis A - Mammalian expression systems can produce biologically active and stable erythropoietin.

Based on the given information, my hypothesis would be Hypothesis A - Mammalian expression systems can produce biologically active and stable erythropoietin. This is because erythropoietin is a glycoprotein hormone that is naturally produced by the kidneys in mammals and has a complex structure that includes multiple disulfide bonds and glycosylation sites. Therefore, it is likely that mammalian cells would be better equipped to properly fold and modify recombinant erythropoietin to maintain its biological activity and stability.
Bacterial expression systems, on the other hand, are typically used for the production of simpler proteins that do not require extensive post-translational modifications. While it is possible to express recombinant erythropoietin in bacterial cells, it may not be able to properly fold or undergo glycosylation, leading to decreased biological activity and stability.
Overall, I believe that mammalian expression systems would be a better choice for synthesizing recombinant erythropoietin due to the complex nature of the protein and its natural production in mammals.

To know more about erythropoietin visit: https://brainly.com/question/13064514

#SPJ11

It will block your air passage like nose and mouth

Alzheimer's disease is irreversible progressive degeneration of neurons of the brain (especially Cerebral cortex and hippocampus). It is a brain disorder which starts with loss of memory and conditions worsen upto where a person is not able to perform simple tasks. The disease progresses in three broad stages, and the symptoms are visible in mid 60's.

\(\Large\textbf{Causes:}\)

Alzheimer's disease is thought to be caused by the abnormal build-up of proteins in and around brain cells. One of the proteins involved is called amyloid, deposits of which form plaques around brain cells. The other protein is called tau, deposits of which form tangles within brain cells.

These Proteins are abnormal protein which are caused by the gene mutation which are present on the chromosome. Cases of early-onset Alzheimer disease which are caused by gene mutations can be passed from parent to child. This results in what is known as early-onset familial Alzheimer disease (FAD).

There are three single-genes on different chromosomes which are mutated to cause early age Alzheimer's disease. The three single-gene mutations associated with early-onset Alzheimer's disease are:

The study has a scientific basis. Science is a method of reasoning that examines and evaluates claims or phenomena that can be empirically evaluated. As a result, the claims made in the study about St. John's wort tea were supported by scientific data and clinical trials.

The researchers conducted a review study of 26 clinical trials, which is a form of scientific research that allows for the aggregation of results from numerous studies to form a larger sample size. It indicates that the researchers utilized an established scientific approach.

Clinical trials are the most reliable way to assess the efficacy of any therapy, whether traditional or complementary

The authors of the study stated that St. John's wort tea efficacy as a treatment for low energy in people was superior to a placebo standard, indicating that it works to a greater degree than a placebo.

In the same study, the authors stated that St. John's wort was proposed to have a mechanism of action on the cytochrome NADP reductase, which is a cellular enzyme that plays an important role in energy production.

The authors went on to say that it was difficult to determine if the efficacy seen in clinical trials was relevant to the United States since most of the studies reviewed were conducted in Germany, indicating that the research was careful and considered.

To know more about study visit;

brainly.com/question/17344576

#SPJ11

Answer:

These cells will develop into the chorionic sac and the fetal portion of the placenta (the organ of nutrient, waste, and gas exchange between mother and the developing offspring).

Explanation:

The cells that form the outer shell are called trophoblasts (trophe = “to feed” or “to nourish”).

hope this answer is correct ......

Meristematic and permanent (or non-meristematic) tissue systems are the two main categories into which plant tissue systems can be divided. Most plants have a tissue called a meristem, which is present in areas of the plant where growth is possible.

Meristematic cells continuously divide to give rise to diverse plant parts and maintain plant growth. Plant tissues can be divided into two categories: permanent (or non-meristematic) tissue made up of cells that are not now actively dividing and present in plant regions of continuous cell division and expansion. Plant tissues can be categorized as growing or meristematic tissue and permanent tissue depending on their ability to divide.

To know more about Meristematic, click here:

https://brainly.com/question/1084046

#SPJ4

Do all organisms possess both meristematic and non-meristematic tissues? why or why not?

Answer:

Producing mucus

Explanation:

The respiratory system and digestive system work together by producing mucus, which is a part of the defense mechanism, the respiratory and the digestive system form. This is done by, the goblet cells when a microorganism enters the body. The main function of the mucus is to collect these micro organisms.

Answer:  The digestive system needs a respiratory system to provide oxygen to support its functions, including fueling peristalsis to move food through the digestive process.

Explanation:            

       brainly.com/question/29754157

       brainly.com/question/29547720      

Answer:

Only by active transport.

Explanation:

This is because diffussion is possible only with gases and the nitrate ions passes through nitrogen fixing bacterials known as azotobacta.

Answer:

The answer is

The digestive system prepares food for the cellular utilization.

I hope this might help u

Studies show that the average global temperature of oceans is rising at both the surface and in the deep ocean. Given how the temperature affects water's ability to absorb gases, the most likely happening to the ocean's ability to absorb carbon dioxide, nitrogen, and oxygen is decreasing. Thus, the correct option is A.

Climate change are the long-term shifts in the temperatures and weather patterns of the planet. These shifts in climate may be natural, but since the period of 1800s, human activities have been the main driver of climate change, primarily due to the burning of fossil fuels such as coal, oil, and gas, which produces heat-trapping gases.

Oceans are the largest heat sink on the planet. They absorb about 90% of the excess heat which is caused by climate change. Oceans are also a very efficient carbon sink, which absorbs about 23% of the human-caused carbon dioxide emissions. If they fail to absorb the gases from ecosystem, this may result into increase in temperature of the ecosystem.

Therefore, the correct option is A.

Learn more about Global warming here:

https://brainly.com/question/29625243

#SPJ1

The answer to the first question is, expected genotype ratio = 0:1:1 and the answer to the second question is, expected phenotype ratio = 0:1.

1. For the cross bb×Bb, the expected genotype ratio is 0:2:2. This is because there are no possible offspring with the genotype BB, two possible offspring with the genotype Bb, and two possible offspring with the genotype bb. So, the expected genotype ratio is 0:2:2 or 0:1:1.

2. For the expected phenotype ratio, there are two possible phenotypes, B and b. Since there are no offspring with the genotype BB, there are no offspring with the phenotype B. However, there are two offspring with the genotype Bb and two offspring with the genotype bb, so there are four offspring with the phenotype b. Therefore, the expected phenotype ratio is 0:4 or 0:1.

So, the answer to the first question is 0:1:1 and the answer to the second question is 0:1.

Know more about genotype ratio here:

https://brainly.com/question/14553311

#SPJ11

Cohesion and adhesion are two properties of water that allow it to move up a plant. Cohesion is the ability of water molecules to stick together, creating a surface tension that allows water to move in a cohesive column.

Adhesion is the ability of water molecules to cling to other surfaces, such as the walls of a tube or the side of a plant stem. This allows water to move along the stem, rising against the force of gravity.The combination of these two properties creates a process known as capillary action, cohesive force which is the ability of water to move up a plant stem due to surface tension. This process is driven by the attraction between water molecules and the walls of the tube. As the water molecules move up the tube, they pull more water molecules up behind them, creating a continuous column of water that rises up the stem. Capillary action is the primary mechanism that allows plants to absorb water from the soil and transport it up to the leaves and other parts of the plant.

To know more about cohesive force visit:

https://brainly.com/question/9189639?referrer=searchResults

#SPJ4

The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

To learn more about DNA sequence here

https://brainly.com/question/31650148

#SPJ11

Answer:

Because as the body exercises or does rigorous activity, water is lost from the body in form of sweat and so its osmotic pressure increases because ions concentration has increased compared to water and so the need to drink more water in order to reduce the osmotic pressure

Answer:

I believe it is Carbon-dioxide

Explanation:

Answer:

The source of the carbon found in living matter is carbon dioxide (CO2) in the air or dissolved in water.Algae and terrestrial green plants (producers) are the chief agents of carbon dioxide fixation through the process of photosynthesis, through which carbon dioxide and water are converted into simple carbohydrates

I hope it helps!

Answer:

DIGESTIVE SYSTEM. The mouth is the first part of honeybees' digestive system. ...

RESPIRATORY SYSTEM. Honeybees do not have a specific organ for gas exchange.

Explanation:

Answer:

the plant in the F1 were allowed to self-polinat the plant in the p generation are the true breeding

Answer:

Bacteria (singular: bacterium) are classified as prokaryotes, which are single-celled organisms with a simple internal structure that lacks a nucleus, and contains DNA that either floats freely in a twisted, thread-like mass called the nucleoid, or in separate, circular pieces called plasmids. Hope this helps :))

Explanation:

Answer:

Bacteria are classified as prokaryotes, which are single-celled organisms with a simple internal structure that lacks a nucleus, and contains DNA that either floats freely in a twisted, thread-like mass called the nucleoid, or in separate, circular pieces called plasmids.

Explanation:

Phospholipids are large organic molecules with a hydrophilic, polar phosphate head connected to hydrophobic, nonpolar fatty acid tails. In an aqueous environment, such as the surrounding medium of a liposome, phospholipids spontaneously arrange themselves to form a mostly impermeable barrier through a phenomenon known as the lipid bilayer.

The hydrophilic phosphate heads of the phospholipids face the aqueous environment, while the hydrophobic fatty acid tails cluster together in the interior, away from water. This arrangement creates a double layer of phospholipids, with the hydrophobic tails sandwiched between the hydrophilic heads.

The hydrophobic nature of the fatty acid tails prevents the penetration of water-soluble molecules across the lipid bilayer. This property makes the lipid bilayer a selectively permeable barrier, allowing only certain molecules, such as small nonpolar molecules or specific transport proteins, to pass through.

To know more about Phospholipids click here

brainly.com/question/20561742

#SPJ11

Answer:

heat and light doesn't have mass and doesn't occupy space. they're forms of energy

Explanation:

The statement that "the most distinctive feature of the tomb of ismail the samanid in bukhara is its red sandstone exterior and an immense sahn" is: False

Artifacts or artifacts are defined as general terms that refer to objects made or shaped by humans, such as tools and works of art, especially objects of archaeological interest.

The most distinguishing features of the Samanid Ismaili Tomb in Bukhara are its unique architectural style and historical importance as one of the oldest surviving Islamic mausoleums in Central Asia. The tomb is better known for its geometric masonry patterns and compact cube-like structure than for its cladding and large saan (courtyard).  

Thus, the given statement is false

Read more about Artefacts at: https://brainly.com/question/681742

#SPJ4

Answer:

Underweight people:

Explanation:

Some people don't eat enough food. In extreme cases, this is known as starvation. If the energy in the food is less than the energy you need, you will loose body mass. This becomes being underweight.

Answer:

b

Explanation:

the fastest race horses were the only ones chosen to breed

Answer:

B.)

Explanation:

Selective breeding is when humans choose selective traits for an organism such as speed.

Answer:

Juan's statement is not necessarily correct, and it is not a reliable way to determine the inheritance of eye color. The inheritance of eye color is a complex trait that is determined by multiple genes, and it is not always predictable based on the eye color of an individual's parents or other relatives.

It is possible that Tasha inherited her brown eyes from a grandparent or great-grandparent, or from a more distant ancestor. It is also possible that Tasha's parents carried genes for brown eyes, even though they themselves have green eyes, and that these genes were passed on to Tasha. Alternatively, Tasha may have acquired her eye color due to a random genetic mutation.

Therefore, while it is true that genetics plays a role in determining eye color, it is not accurate to make assumptions about an individual's eye color based solely on the eye color of their parents or other relatives.

Answer:

253 m

Explanation:

The height in meters must the student climb in order to reach the top of the hill is 253 meters. The correct option is B.

Height is a measurement of vertical distance, or vertical extent (how “tall” something or someone is) (how “high” a point is).

Climbing is the activity of ascending a steep topographical object with one's hands, feet, or any other part of the body, which can range from the world's tallest mountains (e.g., the eight-thousanders) to little stones.

The image of a mountain is given which is climbed by a person. There are different heights of the mountain is given. The height that is a must-climb by the student to reach at the top is 253 meters.

Therefore, the correct option is B. 253 m is the height of the mountain to reach the top.

To learn more about height, refer to the link:

https://brainly.com/question/10726356

#SPJ2

The question is incomplete. Your most probably complete question is given below:

245 m

253 m

236 m

260 m

Answer:

1. Because certain, specific plants have medicinal uses that could benefit medical companies who produce medication. Certain plants also go into making tea, others go purely for gardening and aesthetic appearance. Knowing which plants specifically go into these categoriesprevents a mix-up, especially when some plants are extremely poisonous and can kill someone if ingested.

2.There would be some positive and negative consequences to genetic enhancement. Some people believe it’s wrong to mess with a plant’s genetic code, while many companies see the benefit of enhancing a plant’s traits, especially if it means they are more nutrient-rich or better repel pests. Depending how open the public is to genetic modification, it can harm or benefit an agri scientist's career.

Answer:

The correct answer is - RuBP.

Explanation:

In calvin cycle or C3 cycle there is only one carbon compound present or enter in the cycle is carbon dioxide which is enters through stomata and move into stoma of chloroplast. It is the site of of the C3 cycle.

In calvin cycle energy used to reduce 3-phosphoglyceric acid to produce glyceraldehyde-3 phosphate which result in generation of the RuBP that accepts the CO2 from the air to attached with RuBISCO.

Answer:

Niche

Explanation: