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Brut [27]
2 years ago
10

Angiosperms are divided into two groups called monocots and dicots. The main difference between monocots and dicots is the numbe

r of
Biology
2 answers:
Likurg_2 [28]2 years ago
7 0
<span>Cotyledons is the answer</span>
Ronch [10]2 years ago
5 0

Answer:

Angiosperms are divided into two groups called monocots and dicots. The main difference between monocots and dicots is the number of cotyledons.

Explanation:

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Which organelle contains both DNA and RNA?
muminat

Answer:

Nucleus

Explanation:

The nucleus is the organelle that contains the genetic material of eukaryotic organisms. That is, the DNA is contained in the nucleus while RNA is formed in the nucleus and transported out of the nucleus into the cytoplasm. This means the DNA and RNA can be present in the nuclues at the same time.

7 0
3 years ago
Human populations in low-UV environments tend to have more lightly pigmented skin. One explanation is that the selective pressur
nikdorinn [45]

Answer:

Lightly pigmented people tend to be at higher risk of vitamin D deficiency

Explanation:

BACKGROUND KNOWLEDGE:

Human skin is the largest organ of the body which makes boundary line between environment and internal conditions.  Human skin cell produces pigment called melanin when ever it is subjected to Sun. More the melanin pigment produced more will be the skin darkens. Ultraviolet (UV) radiations also come from Sun and responsible for more pigmentation.

ANSWER EXPLANATION:

According to the question darkly pigmentation only occurs when their is high level of UV radiations. High level of UV radiations are also responsible for Vitamin D production.

People with lightly pigmented means that there environment has low level of UV radiations which are the requirement of Vitamin D production. Hence due to low UV radiations peoples with light pigmentation's are also be at higher risk of vitamin D deficiency

7 0
3 years ago
9)
Sergeu [11.5K]

Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.                               So i would think that it is A

Explanation:

Hope this helps!

4 0
2 years ago
A cell is classified as eukaryotic if the cell
svp [43]

A eukaryotic cell is classified this way if it B. contains a nucleus. In biology the definition of eukaryotic is "having a true nucleus" which is how to depict a prokaryotic cell from a eukaryotic cell.

5 0
3 years ago
He life-threatening condition that may develop during a type i hypersensitivity reaction is called the life-threatening conditio
tatiyna
Whats the question????
7 0
3 years ago
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