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igomit [66]
3 years ago
7

Which description distinguishes the process of meiosis from mitosis?

Biology
1 answer:
Nitella [24]3 years ago
8 0

Answer: Unlike mitotic cells, meiotic cells undergo two divisions to produce haploid cells, allowing for genetic diversity in sexually reproducing organisms.

Explanation:

Both meiosis and mitosis are types of cell division. However, unlike mitosis that occur at one division only and yield two daughter cells with diploid number; meiosis involves two division steps:

- Meiosis I

where the parent cell is halved in chromosome number, and genetic materials are mixed between chromatids

-Meiosis II

where the two daughter cells generated in meiosis I is further divided into four haploid cells.

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Which of the following pairs work together to form the neuroendocrine
Sphinxa [80]

Answer:

D

Explanation:

The neuroendocrine system is made up of the cell in the body that ‘sit’ between the nervous system and the endocrine system. These cells are like the pituitary gland, islets cells of the pancreas, thyroids, and etcetera. They receive nerve impulses  from nerves connected to them. The impulse then triggers them to release respective hormones into the blood.

8 0
2 years ago
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When moving upward on an energy pyramid from one level to the next, what happens to the usable energy in an ecosystem?
dolphi86 [110]
It increases by 10%
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Organize the terms isotonic hypertonic and hypotonic in order form the solution with the lowest concentration of dissolved parti
STatiana [176]

Answer: hypotonic, isotonic, hypertonic

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Hypotonic solution (hypo means less): contains less concentration of non penetrating solute relative to that inside the cell. Water will enter the cell and the cell will swell and late.

Isotonic solution (Iso means same): it contains thesame solute relative to that in the cell, there will be no net movement of water across the plasma membrane.

Hypertonic solution (hyper means more) Hypertonic solution contain more solute relative to that in the cell. Hence the cell will lose water to its environment and may shrink and die.

8 0
3 years ago
Our understanding of DNA and gene expression has dramatically increased over the last 50 years. Describe 2 positive impacts and
lozanna [386]

Positive impacts of genetic engineering:

• New products are created such as food with higher nutrition values, drugs that are more effective and safer

• Disease prevention (“correcting” the genetic mutation, or removing disease-causing gene)

Negative impacts of genetic engineering:

• irreversible side effects, for example resistance of bacteria or introduction of viruses in human cells

• abusing like change specific traits that are not connected with diseases, create human outcomes that are ethically questionable.


3 0
3 years ago
During an experiment to determine if people with more symmetrical body features have a lower incidence of disease, a researcher
joja [24]

Answer:

e

Explanation:

<em>The main reason such an elaborate device was used would be to eliminate any element of bias by the researcher.</em>

It is important to eliminate biases when taking measurements so as to ensure the accuracy of the data and the overall outcome of the experiment. <u>If a simpler device had been used in which the researcher manually records the length of the bones, it is possible to knowingly or unknowingly introduce biases or random error into the experiment which will impact the integrity of the data and the outcome of the experiment.</u>

The correct option is e.

4 0
2 years ago
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