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Svet_ta [14]
3 years ago
8

Mutations _____. are always harmful happen when DNA changes during replication cannot be acquired from the environment decrease

the genetic diversity of a population
Biology
2 answers:
Paladinen [302]3 years ago
7 0

Answer:

happen when DNA changes during replication

Explanation:

Mutation refers to the change in the DNA of organisms. Mutations may occur upon exposure of individuals to certain mutagens, such as UV radiations, present in environment. Any error during DNA replication also leads to change in the DNA and mutations. Mutations add variations and increase the genetic diversity of the population. Mutations may be beneficial or harmful.

Radda [10]3 years ago
6 0

C I hope it helps...

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Determine whether each statement correctly describes the myocardial action potential and the pacemaker potential. 1. Because the
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Answer:

1. False

2. True

3. True

4. False

Explanation:

In mammals, the contraction of the heart muscle is caused by pacemaker cells localized within the sinoatrial (SA) node. These cells rhythmically generate slow electrically-induced action potentials due to their slow rate of depolarization. The pacemaker cells generate the action potentials that propagate through the heart and trigger the contraction of myocyte cells (i.e., myocytes simply conduct the action potential waves). The slow depolarization of pacemaker cells occurs during diastole, i.e., during the period of relaxation of the heart muscle.

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Which of the following has the least opportunity for recovery? a forest burned by fire caused by a lightning strike a forest cut
taurus [48]
<span><em>a forest flooded for a week following heavy spring rains a forest decimated by an avalanche because it gets no sunlight for a while so nothing will be able to grow back. But in a forest fire an animal will come and either spread droppings or hide food in the ground and the forest will end up growing back same thing goes for the logging company</em></span>
3 0
3 years ago
Scients is a combination of three things what are they?​
anzhelika [568]

Answer:

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3 0
2 years ago
1. Mitosis is used to make new
lora16 [44]
1. red blood cells
2. diploid is a type of cell with two sets of chromosomes (usually from the mother and farther)
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5 0
3 years ago
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A scientist discovers a new plant. After investigating its properties, the scientist concludes that the plant does
gayaneshka [121]

non-photosynthetic plants are not common in nature, they do not have a green color, to be able to answer the question we must know that .......

<h3>General characteristics of plants</h3>

Plants are classified as autotrophic organisms, since the large one is capable of photosynthesis. With the exception of plants, some achlor species being observed, therefore, not achlorizing plants.

<h3>Chloroplast</h3>

Chloroplast, a structure within the cells of plants and green algae that is the site of photosynthesis, the process by which light energy is converted to chemical energy, resulting in the production of oxygen and energy-rich organic compounds.

<h3>It happened in real life</h3>

The newly discovered plant — named <em>Gastrodia kuroshimensis </em>— occurs in the dark understory of forests, where little light penetrates. So instead of using sunlight or photosynthesis to generate nutrients, the plant parasitizes the fungi in the forest soil for its daily dose of nutrition.

With this information we can say that the correct alternative is<u> B</u>. where it states that there are no chloroplasts in the plant cells.

  • B. There are no chloroplasts in the plant's cells.

<u>These </u><u>plants</u><u> that do </u><u>not photosynthesize</u><u> do not have the green </u><u>pigment</u><u>, what gives the </u><u>plants</u><u> their </u><u>green color</u><u> is the </u><u>chlorophyll</u><u> that is in the </u><u>chloroplast.</u>

<u />

Learn more about Chloroplast in brainly.com/question/11136550?referrer=searchResults

6 0
3 years ago
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