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bezimeni [28]
3 years ago
6

From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conc

lusion of meiosis II of spermatogenesis. True / False.
Biology
1 answer:
lukranit [14]3 years ago
3 0

Answer:

True

Explanation:

Meiosis is a type of cell division that occurs in gametic cells. In this cell division, one cell is divided into four cells and the chromosome number is reduced to half therefore it is also called reduction division.

During meiosis crossing over occurs between homologous chromosomes that allow the exchange of genetic material between them that results in the formation of genetically unique daughter cells.  

In spermatogenesis during the first meiosis division, the homologous chromosomes get separated into two daughter cells reducing the chromosome number by half and during second meiotic division sister chromatids separate into two more cells. Therefore four genetically different cells are generated.

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Cell drinking; cell eating. Both are modeled here and are examples of A) osmosis. B) diffusion. C) endocytosis. Eliminate D) fac
N76 [4]

Answer;

-Endocytosis

Explanation;

-Endocytosis includes; phagocytosis, pinocytosis, and receptor mediated: Endocytosis brings substances into the cell, plasma membrane surrounds the substances to be taken in, encloses them in a membrane-bound sac (vesicle) and brings them into the cell

-Phagocytosis: endocytosis of large solid particles (“cell eating”)

-Pinocytosis: endocytosis of extracellular fluid that contains dissolved solutes (“cell drinking”)

-Receptor-mediated: highly selective, ligands bind to specific receptor proteins on the plasma membrane and are then taken into the cell

-Exocytosis: the reverse of endocytosis: substances are removed from the cell; vesicles fuse with plasma membrane and release their contents into the extracellular fluid; important in nerve cells to release neurotransmitter and secretory cells to release cell products (ex. digestive enzymes, protein hormones).

5 0
3 years ago
What are the steps taken for the conservation of rare animals in nepal​
emmasim [6.3K]

Answer:

the steps are

we need to keep tight security system in forest area

hunting of animal must be stopped

3 0
3 years ago
What does photosynthesis produce? What are these products used for?
Doss [256]

Answer:

photosynthesis produces glucose which is stored as starch in the plant.

Explanation:

6H₂O + 6CO₂ -----> C₆H₁₂O₆ + 6O₂(as a waste product for plants)

Photosynthesis reduces carbon dioxide in the atmosphere which reduces the green house gasses in the atmosphere which reduces the green house effect.

7 0
3 years ago
In the parental generation, inbred black and an albino mice parents mate. The resulting F1 mice are black and heterozygous at 2
Semenov [28]

Answer:

12:4:3

Explanation:

Let the lack of color pigmentation which is recessive be aa where AA and Aa allow for color (BB, Bb - black, baby - white).

The F1 parents are BbAa x BbAa

This cross will produce 12/16 blacks, 4/16 albinos and 3/16 white.

7 0
3 years ago
Which two major parts of the Earth system does this photo most clearly.<br> show?
denpristay [2]

Answer:

Hydrosphere and Biosphere

Explanation:

The biosphere, also known as the "ecosphere", is the worldwide sum of all ecosystems (this would represented by the fish).

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet earth, minor planet or natural satellite (this would be represented by the water).

7 0
3 years ago
Read 2 more answers
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