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Alchen [17]
2 years ago
10

State the role of meiosis in humans

Biology
2 answers:
Harlamova29_29 [7]2 years ago
7 0
Meiosis is the process by which sperm cells and egg cells are produced. In the male, meiosis takes place after puberty.
mariarad [96]2 years ago
5 0
Meiosis is basically sexual reproduction of where it helps us make many and populate as well.
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Briefly explain the relationship between cells, organs and tissues
Mazyrski [523]

Answer/Explanation:

Cells of a similar type are organized together to make tissues. Different types of tisues come together to perform a similar function as part of organs.

For example, take the organ the stomach. There are various tissues that make up the stomach, including, for example, mucosa, and muscle tissue.

The mucosa tissue of the stomach is made up of secretory cells such as parietal cells, which secrete hydrochloric acid, and foveolar cells which produce mucus that protects the lining of the stomach.

7 0
2 years ago
Which organelles contain enzymes that break down old cell parts?
Lena [83]

Explanation:

A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts.

6 0
2 years ago
What characterizes depolarization, the first phase of the action potential? The membrane potential changes to a less negative (b
svp [43]

Answer:

Option (2).

Explanation:

The cell potential or membrane potential may be defined as the difference in the electric potential between inside and outside of the cell. The membrane potential of the cell changes during the propagation of action potential.

The resting membrane potential is -70mV. The influx of sodium ions causes the depolarization of the cell membrane. The cell potential changes from -70mV to + 30mV. The membrane potential becomes more positive during the depolarization phase.

Thus, the correct answer is option (2).

6 0
3 years ago
Plants use sunlight and photosynthesis to make food energy. What do archaea use?
juin [17]

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3 0
3 years ago
What are realetness prokartyoes may have eukaryotes endosymbois hypothesis?
kenny6666 [7]

Answer:

The endosymbiotic theory states that some of the organelles in today's eukaryotic cells were once prokaryotic microbes. In this theory, the first eukaryotic cell was probably an amoeba-like cell that got nutrients by phagocytosis and contained a nucleus that formed when a piece of the cytoplasmic membrane pinched off around the chromosomes. Some of these amoeba-like organisms ingested prokaryotic cells that then survived within the organism and developed a symbiotic relationship. Mitochondria formed when bacteria capable of aerobic respiration were ingested; chloroplasts formed when photosynthetic bacteria were ingested. They eventually lost their cell wall and much of their DNA because they were not of benefit within the host cell. Mitochondria and chloroplasts cannot grow outside their host cell.

Explanation:

8 0
3 years ago
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