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Karolina [17]
3 years ago
6

Explain the cell cycle and phases

Biology
1 answer:
juin [17]3 years ago
4 0

Answer:

Interphase, Mitosis, Cytokinesis

Explanation:

The three stages of interphase are called G1, S, and G2.

The stages of mitosis are prophase, metaphase, anaphase, and telophase.

Cytokinesis is the splitting of the cell.

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Answer:

The Laura tried to grow micro-organisms in culture broth medium in Petri-plates but the microbial growth was not observed even on the fourth day of culture which could be due to:

1. Laura could have not provided the correct broth medium maintaining the with pH and salt concentrations.

2. Microorganisms did not get optimal growth conditions.

3. The bacterial source could have died after the collection which could have lysed after their death and thus no longer visible.

3 0
3 years ago
The consistent reduction in fitness (survival, reproduction, etc) in a population due to widespread non-random mating is called
igomit [66]

Answer:

Natural selection

Explanation:

Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that it is able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.

4 0
3 years ago
What is biogeography and what does it provide?
Dennis_Churaev [7]
Biogeography- it is the geographic location and distribution of living organisms.
It provide evolution in many ways because organisms are not distributed evenly throughout the world, but related organisms are found in the same isolated parts of the world and this is not explained by climate.


3 0
3 years ago
Explain the 3 functions of enzymes in living organisms
Zepler [3.9K]

Answer:

Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.

7 0
3 years ago
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The lung volume that represents the total volume of exchangeable air is the ________. A. vital capacity B. expiratory reserve vo
olga2289 [7]

Answer:

A. vital capacity

Explanation:

<u>Vital capacity is defined as maximum amount of the air that a human can expel from lungs after the process of maximum inhalation. In other words, its is the volume of the lung which represents the maximum of the total volume which can be exchanged with the air. </u>

It can be measured by using a wet or a regular spirometer. A normal adult has between 3 to 5 litres of VC. Vital capacity of the human depends on the age, sex, mass, height and ethnicity.

5 0
3 years ago
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