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3 years ago

Which of these statements is true about adaptive evolution?

1 answer:

7 0

In adaptive evolution, the change occurs due to a change in the genetic make-up by mutations.
Therefore, adaptive evolution is a permanent change in a trait and it allows a population to survive in unsuitable environmental conditions.

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How is asthma a lack of homeostasis within the human respiratory system?

oksano4ka [1.4K]

Answer:

Your body will always try to keep you at the same temperature, for example, even when it's raining. Asthma is a good example of homeostasis gone wrong and the body acts out of proportion to a stimulus starting a process that leads to symptoms.

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3 years ago

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A hydrophobic amino acid r group (side group) would be found where in a protein?

kumpel [21]

E. On the inside of the folded chain, away from water.

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Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the

madam [21]

Answer:

options A, B, D and E

Explanation:

leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG

phenylalanine codons include: UUU, UUC.

<u>C</u>UU

replace C with U to give

UU<u>U</u> phenylalanine codon

replace underlined with A

UUA leucine codon

<u>C</u>UC

replace underlined with U

UU<u>C</u> phenylalanine codon

replace underlined with A or G

UUA, UUG leucine codons

UU<u>G</u>

replace underlined with U

<u>U</u>UU phenylalanine codons

replace underlined with C

CUU leucine codon

UU<u>A</u>

replace underlined with U or C

<u>U</u>UU or <u>U</u>UC phenylalanine codons

replace U with C

CUU or CUC leucine codons

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3 years ago

Deshaun is determining which sources are most appropriate for his research project. Which step of research process is he on? A.

guapka [62]

Answer:

3: Evaluate Your Sources D

Explanation:

Deshaun is determining which sources are most appropriate for his research project. Here he can evaluate a variety of sources such as newspaper articles, magazines, journals, or books, and websites. So, it is important for him to make sure that he includes only authentic any valid information in his research.

So, he needs to evaluate his sources using several criteria like:

Accuracy
Scope / Relevance
Current/ up to Date
Objectivity
Reliability
Style
Functionality

Using these criteria he can evaluate his sources to choose the best and appropriate one for him.

Hope it help!

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Explain<br> creationism and intelligent design

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Answer:

<h3>creationism, the belief that the universe and the various forms of life were created by God out of nothing.</h3>

<h3>Intelligent design (ID) is a pseudoscientific set of beliefs based on the notion that life on earth is so complex that it cannot be explained by the scientific theory of evolution and therefore must have been designed by a supernatural entity.</h3>

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