BIOLOGY HIGH SCHOOL

If an enzyme is absent during polypeptide production, what can occur? a mutation polymerization replication gene flow

Answers

Answer 1
Answer:

The correct answer is mutation.

Any slight change in protein synthesis leads to the process of mutation. The polypeptide production here refers to the phenomenon of protein synthesis.

If an enzyme is absent during this process it lead to production of faulty protein or some other protein but exactly the same protein is not formed which could have formed when the enzyme would have been present.

This leads to mutation.

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Which is not a way that ancient people classified plants and animals? By using binomial nomenclature
By taste
By use
As beneficial or poisonous

Answers

The correct answer is - By using binomial nomenclature.

The ancient people were using their senses and their experiences in the defining of the plant and animal species. This was due to lack of technology, so they used what they had at disposal. Thus the binomial nomenclature is out of question for usage for the ancient people since they were nowhere near the technological level needed to perform such a thing and use it in their daily lives.
Since they're ancient, I'm guessing they didn't classify by using binomial nomenclature. 

Which parts of the nitrogen cycle are involved in moving nitrogen from the atmosphere into the soil? a. 3 and 7
b. 1 and 4
c. 4 and 6
d. 6 and 7

Answers

The answer to this question is:
The parts of the nitrogen cycle are involved in moving nitrogen from the atmosphere into the soil is 1 and 4. It's letter B. 

>The nitrogen cycle is the process by which nitrogen is converted between its different chemical forms. 

How is carbon reintroduced into the atmosphere?

Answers

There are three primary methods for reducing the amount of carbon dioxide in the atmosphere: employing energy efficiency and conservation practices; using carbon-free or reduced-carbon energy resources; and capturing and storing carbon either from fossil fuels or from the atmosphere.

What is another term for farsightedness? a) Hypopia b) Presbyopia c) Myopia d) Hyperopia

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Hyperopia

"The medical term forfarsightednessis hyperopia. It's the opposite of nearsightedness.Hyperopiais usually caused by an eyeball that's too short, causing light to focus behind the retina."

"Hyperopia is simply another name forfarsightedness. People with hyperopiasee objects far away more clearly than they see objects up close."

Zara investigated how giving plants different amounts of water affected their growth. She grew some seedlings in pots and watered them each day. She measured the height of each seedling on day 1 and on day 7. The table shows her results.

Answers

Explanation:

 

 

CAMBRIDGE LOWER SECONDARY SCIENCE 9: END-OF-UNIT TEST

Cambridge Lower Secondary Science 9 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021

 

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Date

 

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Disclaimer:Thistestandmarkschemehavebeenwrittenbytheauthors.

End-of-unit test

Unit 4

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Zara investigated how giving plants different amounts of water affected their growth.She grew some seedlings in pots and watered them each day.She measured the height 

Scientists think that chimpanzees and gorillas share a common ancestor. Today, it is not possible for a chimpanzee and gorilla to mate and produce fertile offspring.What is this an example of?


A.succession

B.natural selection

C.spontaneous generation

D.speciation

Answers

D. speciation. The common ancestor of gorillas and chimpanzees evolved into two distinct species through the process of speciation. Separate species cannot successfully produce fertile offspring.
B. natural selection
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Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and roads, and to provide lumber for construction and furniture. How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?
Food enters the body through the mouth where it is mixed with digestive enzymes from the ____________. These enzymes begin the digestion of ______________ into _______________. The bolus is propelled to the pharynx by the tongue. The ___________ closes over the _________ upon swallowing to protect the respiratory tract from food particles.