In the oxygen cycle,plants release oxygen as a waste product during the process of ________.

Answers

Answer 1

Answer: They release oxygen during photosynthesis.

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Which of the following processes only occurs in eukaryotic mRNA transcript modification and gene expression?A. mRNA, tRNA, and rRNA are transcribed. B. Transcription can begin as soon as translation has assembled the first few amino acids in the polypeptide. C. A poly-A tail is added to the 3' end of an mRNA, and a cap is added to the 5' end. D. RNA polymerase binds to the promoter.
1. Describe two advantages of genetic engineering.
The burrowing owl is found in dry, open areas such as grasslands, prairies, savannas, deserts, farmlands, golf courses, and other urban areas throughout most of western United States and Florida, Central America, and most of South America. It makes its home in burrows of other animals and primarily eats insects and small rodents. As humans build more cities, nearby burrowing owl habitats change due to destruction of burrows and loss of prey. Which is the least likely outcome of the habitat changes that are described?AThe niche of the burrowing owl may change as it adapts to the changes. BThe niche of the burrowing owl may change as it moves to a new habitat. CThe population of the burrowing owl may be reduced or even become extinct. DThe population of the burrowing owl may increase in its new surroundings.
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Which of the following is a primary function of the cell membrane? Choose 1 answer:

(Choice A) DNA replication

(Choice B) Protecting organelles

(Choice C) Protein synthesis

(Choice D) Filling space between cell organelles

Answers

Answer:

(Choice B) Protecting organelles

Explanation:

As it is outer most layer so it protect the cell and it's organelles.

Answer:

Protecting organelles

Explanation:

Which of the following occurs in the upper respiratory system? A)air enters the alveoli
B)air enters the bloodstream
C)air is filtered and moistened
D)air is delivered to muscles

Answers

The correct answer is Option C

The air enters the nasal cavity and it is filtered and moistened their. This is done by the mucous membrane that is present on the inner side of the nasal passage.

The air is filtered and the dust particles gets attached to the mucous and the filtered air is send inside for the exchange of gases.

c.............................

Bacteria can thrive in many environments including hostile environments like hot springs, polar ice caps and salt flats. This is due to the ________ of bacteria.A. biochemical diversity
B. small sizes
C. varied shapes
D. methods of movement

Answers

Answer: The correct answer for the blank is A.biochemical diversity.

Bacteria can thrive in various environmental conditions such as hot springs, salt flat, polar ice caps because of their biochemical diversity.

For instance, the organisms belonging to the domain archaea ( such as methanogens) live in extremely harsh environmental conditions. They have ether linked lipids in their cell membrane ( unlike bacteria, which possess ester linked lipids) and do not have peptidoglycan in their cell membrane. This provides them an advantage to survive under harsh conditions.

i think its A because the small size , shape and the methods of movement have nothing to do with the environments it can survive in

Of glucose produces glycogen, the storage form of sugar, found in the liver and muscles

Answers

Glycogen is a homopolysaccharide formed by units of glucose and is sometimes referred to as animal starch. It can reach up to a molecular weight of 10 to the power 8 DA which corresponds to about 600,000 glucose molecules.

The function of glycogen is that it is the principal form in which glucose is stored in animals and is present in the liver, muscle (skeletal and heart muscle) and in lower amounts in nearly all the other tissues and organs.

Glycogen makes up about 10% of liver weight and 1% of muscle weight. Although it is present in higher a concentration in the liver, the total amount stored in muscles is much higher due the greater mass of the muscles as compared to the liver.

the answer to the question is polymerization

Diatoms have cell walls composed of _____.
silicon dioxide
carbon dioxide
chitin

Answers

Answer:

silicon dioxide is the correct answer.

Explanation:

Diatoms are the unicellular algae, found in waterways, soil, and ocean.

diatoms cell walls are made up of silica dioxide which is called frustule because the cell wall is composed of silicon dioxide it makes the cell wall diatoms transparent, which helps them to produce more foods.

As the diatoms cell wall is composed of silica it is used as a silica source, to treat constipation and cholesterol level and also to improve the health by removing the dead cells.

Diatoms have cell walls composed of Silicon Dioxide.

Choose the statement that best describes the Americans who served in Vietnam.A. Most Americans who served in Vietnam had been drafted.

B. Most US soldiers in Vietnam were in the infantry.

C. Most US soldiers had attended a college or university.

D. Most US soldiers were young, working class volunteers.

Answers

The statement that best describes the Americans who served in the Vietnam war was most of the US soldiers were all young, working class volunteers. The correct answer is D.

Answer:

Which of the following best describes the Americans who served as infantry soldiers in Vietnam?

Most were young, working-class draftees. **

Most were young, working-class volunteers.

Most were volunteers in their late twenties.

Most were drafted while attending college.

Explanation:

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