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Paraphin [41]
3 years ago
6

Point

Biology
1 answer:
zalisa [80]3 years ago
5 0

Answer: 100kcal

Explanation:

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11. true / false Today, scientists use genetic similarities between species to help
Alex777 [14]

Answer:

True.

Explanation:

In genetics, genetic similarities indicate the actual species. It also helps to identify the relationship or similarities between different species.

A physical character or structure can't be a measurement process of classifying any species as related to other species.

Such as Chimps is 90% genetically similar to human, but they not identical in physical appearance.

So, at present, scientists use genetic similarities between species to help classify them as related species, rather than focusing on physical or structure of any species.

5 0
3 years ago
Read 2 more answers
Which of the following is a function of a vacuole
Andrews [41]
Typically, a vacuole's job consists of isolating harmful materials, storing waste products, storing water in a plant cell, helping maintain the pressure within a cell, and exporting products out of the cell.
5 0
3 years ago
True or False: Meiosis halves the chromosome number, whereas mitosis maintains the same chromosome number.
AleksandrR [38]

Answer:

True

Explanation:

Meiosis is the kind of cell division that results in the production of daughter cells with each cell having half number of chromosomes as the parent cell. Meiosis is the cell division employed by reproductive cells to produce gametes/sex cells. Meiosis occurs in two stages i.e. Meiosis I and II. The chromosome number reduces by half in gametes in order to ensure that after fertilization of both male and female gamete, the resulting organism has the correct set of chromosomes. e.g diploid organism produces haploid gametes which fuses to produce a diploid organism again.

Mitosis is another type of cell division that results in identical daughter cells. They are identical in the sense that they possess the same number of chromosomes as the parent cell that divided. For example, a diploid cell undergoes mitosis to produce two diploid daughter cells.

8 0
3 years ago
The study of psychoneuroimmunology suggests that when a stressful situation is encountered, several biological reactions occur,
zhenek [66]

Answer: d) lightheadedness or unconscious episodes.

Explanation:

There are several ways the body responds to stress but one method used by psychologists to measure this response is Hans Selye's general adaptation syndrome. This occurs in 3 stages:

1. The alarm reaction. This occurs when the stressor is first presented resulting in the RELEASE OF HORMONES from the adrenal gland into the blood stream. The hormone in turn cause sympathetic nervous system activation and increase energy levels, INCREASE RESPIRATION, increase muscle tension, reduce sensitivity to pain, slow down the digestive system, and cause a RISE IN BLOOD PRESSURE.

2. The stage of resistance- this occurs till the stress is removed.

3. The stage of exhaustion

7 0
2 years ago
Read 2 more answers
Plants use carbohydrates to build things such as cellulose. How do plants acquire these building blocks to build mass?
valentina_108 [34]
<span> C) They make carbohydrates through the process of photosynthesis.

</span>Photosynthesis is a process wherein light energy is converted into chemical energy. 
<span>Plants use the light energy coming from the sun and make food and other cellular organic compounds that will be used for certain types. 

</span>
7 0
3 years ago
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