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3 years ago

How do the characteristics of living things contribute to an organism's survival?

1 answer:

5 0

Any characteristic, whether a physical trait, a behaviour, a physiological adaptation etc can make an organism more or less likely to survive in a particular environment.

A dark colour could help a rabbit survive if it lives in a dark forest, because predators can't see it so well, but it would be less likely to survive in the arctic, where the environment is all white and it would show up.

In terms of the characteristics, think about: does it help the organism get food? Does it help protect the organism from predators? If it does, that organism is more likely to survive, and pass the characteristic on to it's offspring. If a bacterium has a characteristic of not being killed by antibiotics, this will help it to survive and breed.

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What technique did Hershey and Chase use in their experiment that led to the conclusion that DNA, not protein, was the genetic m

Olenka [21]

Answer:

They used radioactive labeling techniques to build two different types of phage.

Explanation:

In 1952, a set of experiments were carried out by American biochemists Alfred D. Hershey (1908-1997) and Martha Chase. They prepared two separate virus samples, one contained DNA labeled with a radioactive isotope and the other contained protein labeled with a different radioactive isotope. They grew the two types of viruses separately, infected bacteria with the two sets of phages and analyzed the bacteria for radioactivity. From the results obtained, Hershey and Chase concluded that the viral genetic material was DNA and not protein, reinforcing the observations previously made by Avery.

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3 years ago

Can somone help me plzzzzzzzzzzzzz

tekilochka [14]

Answer:

$\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}$

$\huge\red{ \mid{ \underline{ \overline{ \tt Fe }} \mid}}$

→ Molar Mas = 55.85 g/mol

$\huge\orange{ \mid{ \underline{ \overline{ \tt NaCl }} \mid}}$

→ Molar Mass = 58.44 g/mol

$\huge\red{ \mid{ \underline{ \overline{ \tt CH₄ }} \mid}}$

→ Molar Mass = 16.02 g/mol

$\huge\orange{ \mid{ \underline{ \overline{ \tt Ca(OH)₂ }} \mid}}$

→ Molar Mass = 74.10 g/mol

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

$\huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}$

7 0

3 years ago

Read 2 more answers

Explain how does the skeletal system help aid the body when its sick.

makkiz [27]

There are several ways by which a skeletal system help aid the body when its sick. Firstly, it helps in producing red blood cells in the body. It also helps in maintaining the level of calcium in the body. It also produces the stem cells that increases the immunity of the body. I hope that the answer has come to your help.

4 0

2 years ago

Mastering biology Chapter 13 - Question 3 - Multiple Choice Homology is evidence of ________.

Fudgin [204]

Answer:

Homology is evidence Divergent Evolution

Explanation:

When we study DNA sequences from different species, we conclude that all the living organisms have been arise from a single common ancestor and due to homology between different species, it is also concluded that organisms now-a-days are a result of Divergent Evolution from a single common ancestor.

7 0

3 years ago

What is the purpose of the vascular system in a plant?

iogann1982 [59]

The Vascular system transports water and sugars throughout the plant during photosynthesis.

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3 years ago

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