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Mariulka [41]
3 years ago
8

If a plant has 50 chromosomes in the leaf cells and it undergoes vegetative propagation, how many chromosomes will be in the lea

f cells of the new plant?
Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0
Many chromosomes will the daughter cells have? 4. ... many chromosomes would the leaf cells have? ... A species of plant found in lakes reproduces using .
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What two main hormones does the pituitary gland produce?
tigry1 [53]
ACTH and TSH

Source: http://www.juniordentist.com/hormones-released-from-pituitary-gland-and-their-functions.html
5 0
3 years ago
A slow reproduction process is a disadvantage of which from of reproduction
Alinara [238K]

Answer:

Disadvantages.

Explanation:

A big disadvantage of sexual reproduction is that the process is much slower than asexual reproduction. For starters, the cell division, which is meiosis, is more complex and has more stages than mitosis.

3 0
3 years ago
What organisms are responsible for cycling nitrogen from the atmosphere into soil and living things?
Gnom [1K]

Answer:

Bacteria play a central role

Explanation:

Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates. Bacteria of decay, which convert decaying nitrogen waste to ammonia. Nitrifying bacteria, which convert ammonia to nitrates/nitrites.

4 0
3 years ago
In the heterozygous state (w+ / w), a variegated eye is produced, with white and red patches. How might one explain position-eff
Yuri [45]

Answer:

2. The white patches are caused by the deacetylation of the histones associated with the DNA of the w + allele.

3. The red patches are caused by the acetylation of the histones associated with the DNA of the w + allele.

Explanation:

The complete question is as follows:

How might one explain position-effect variegation in terms ofhistone acetylation and/or deacetylation? Select all thatapply.

1. The white patches are caused by the acetylation of the histonesassociated with the DNA of the w + allele.

2. The white patches are caused by the deacetylation of thehistones associated with the DNA of the w + allele.

3. The red patches are caused by the acetylation of the histonesassociated with the DNA of the w + allele.

4. The red patches are caused by the deacetylation of the histonesassociated with the DNA of the w + allele.

In the W+/W State variegated eye is produced, however in reality the W+ allele causes a red eye colour whereas the W allele causes a white eye.

The reason for production of variegated eyes is chromosomal rearrangement.

Due to the chromosomal rearrangement the W+ gene's position gets changed and it moves from a region of euchromatin to heterochromatin and this position affect leads to red and white patches in the eye.

The heterochromatin is silent region of the genome which does not encode for any product and this is caused by histone deacetylation whereas the histone acetylation makes the chromosomes more accessible and contributes the euchromatin region.

8 0
3 years ago
A(n) __________ is the chance that someone or something could be harmed by a hazard.
sertanlavr [38]

Answer:

A RISK is the chance that someone or something could be harmed by a hazard.

Explanation:

Risk is the <u>probability of experiencing harm or an adverse side effect from exposure to a hazard</u>, may it be from the workplace, environment, or property.

Hazard is anything that may be a <u>source of possible harm or damage</u> to an individual or property.

Risks within the workplace are assessed to prevent workers from possible exposure or damage, this is called <u>Risk Assessment Control</u>. Here, the  <u>likelihood of a hazard occurring is determined</u>.

An example is medication errors when the nurse/s are overworked.

<em>"Overworked nurses are 15 times (for example) more likely to commit medication errors  than fully-rested nurses."</em>

The likelihood of developing such errors depends on multiple factors like:

<em>"Too much work load"</em>

<em>"Huge number of patients"</em>

<em>"Lack of manpower"</em>

8 0
3 years ago
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