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GREYUIT [131]
3 years ago
5

How does the whole sporophyte/gametophyte generations thing work? This just does not make sense to me...

Biology
1 answer:
vagabundo [1.1K]3 years ago
7 0

Answer:

A mature sporophyte produces spores by meiosis, a process which reduces the number of chromosomes to half, from 2n to n. The haploid spores germinate and grow into a haploid gametophyte. At maturity, the gametophyte produces gametes by mitosis, which does not alter the number of chromosomes.

Explanation:

hope this helps!

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Enzymes work only on a single substrate, in most cases. true or false.
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Most enzymes do in fact work on a single substrate in most cases, this is because of the enzyme - substrate specificity. Certain reactant molecules acting as substrates can only fit in the "lock" of particular enzymes and undergo a conformational change and result in Unique products to be released after the reaction has occurred.
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3 years ago
All cells of the body age and are replaced in a natural order. When RBCs age, they are destroyed in the spleen. During this proc
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Answer:

Bone marrow.

Explanation:

Hematopiesis may be defined as the formation of the blood cells by the precursor stem cells. This process occurs in the bone marrow, thymus and liver.

The red blood cells are enucleated cells with the minimum span of around 120 days. These cells are processed and destroyed in the spleen. The iron is recovered from the red blood cells and sent again into the bone marrow for the production of new blood cells.

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4 0
3 years ago
Which of the following represents mutualism?
Darya [45]
Where are the options ??
6 0
3 years ago
Read 2 more answers
which is an example of an acquired trait? A the ability to hear B the ability to write C color vision D body hair
makkiz [27]
B . ability to write
5 0
3 years ago
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Estimating Population Size – Review the two approaches to estimating population size and answer the following questions.
Andre45 [30]

Answer:

b) there are 56 deer in 1000 acres of area.

Explanation:

If a person has 1000 aces of land and a local wildlife biologist tell him that on every 18 acres only one deer is present so in 1000 acres there are 56 deer are present.

calculation;

1 deer ------ 18 acres

x --------- 1000 acres

by cross multiplication, we get

18 x = 1000

both side divided by 18, we get

x = 55.5

by rounding off we get

x = 56

3 0
3 years ago
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