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bekas [8.4K]
3 years ago
15

Describe two ways evolution of organisms can have a harmful effect on humans.

Biology
1 answer:
spin [16.1K]3 years ago
4 0
Looks like the question is asking how evolution of a specific species affects humans negatively.
<span>Think of co-evolution examples such as predator-prey and host-parasite relationships.
</span>One example that comes to mind is <span>the use of pesticides in agriculture. It has driven the evolution of resistant insects, requiring the use of harsher chemicals in greater quantity to kill them. This can have a harmful effect on agriculture and in turn affect humans negatively. Does that makes sense?</span>
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When sodium enters the neuron via chemically gated sodium channels, the membrane will depolarize. therefore, the membrane potent
Korvikt [17]
........... the membrane potential will become more POSITIVE.
A membrane become depolarize when sodium enters the neuron via chemically gated sodium channels, this means that, the membrane become more positive when sodium ions diffuse into the cells.<span />
8 0
3 years ago
Complete the sentences. Each term may be used more than once.
11Alexandr11 [23.1K]

Answer:

The correct answer is -

1. right-handed

2. right-handed

3. positive

4. left-handed

5. negative

6. negative

Explanation:

In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.

If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.

f. One effect  negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix

8 0
3 years ago
Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA,
Colt1911 [192]

Answer:

G=21 %

T= 29 %

A= 29 %

Explanation:

Since C only binds to G, you have the same amount of C and G, so G is 21 %.

100 % minus 42 % ( 21 % C plus 21 % G=) equals 58 %.

So the other 58 % is made of T and A. Since T only binds to A , the half of the extra 58 % is T and the other half is A. Therefore 29 % is T and 29 % is A

4 0
3 years ago
What is the temperature of the water at a cold seep?
valentinak56 [21]

Answer:

D. hot, but much cooler than at a hydrothermal vent

Explanation:

A cold seep is an area in the ocean floor where hydrogen sulfide, methane and other hydrocarbon rich fluids seep through thus forming a brine pool.

A cold seep is also called a cold vent and its temperature is not necessary lower than that of the surrounding water, but it is lower than that of a hydrothermal vent which is about 60 °C.

7 0
3 years ago
Read 2 more answers
You've calculated that the payback
ElenaW [278]

In the given situation, the payback period decreases as the electricity cost increases, i.e., option C is correct.

<h3>What is payback period?</h3>

The payback period is the amount of time required to recover the cost of an investment or to reach the breakeven point for an investor.

Shorter payback periods indicate more appealing investments, whereas longer payback periods indicate less desirable investments.

In the given situation, the payback period decreases as the electricity cost increases.

Thus, the correct option is C.

For more details regarding the payback period, visit:

brainly.com/question/13057308

#SPJ1

6 0
1 year ago
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