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Paul [167]
4 years ago
9

What is an endoplasmic reticulum?

Biology
2 answers:
Paladinen [302]4 years ago
4 0

Answer: a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.

Sedbober [7]4 years ago
3 0

Answer:Edit

The endoplasmic reticulum (ER) is a type of organelle found in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae.

:

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Match the following.
liraira [26]

Answer:

1) The stage of mitosis in which the chromosomes move to opposite ends of the cell. >>>> Anaphase

2) forms the ends of the spindle fibers in the cell during mitosis.

>>>>>Centriole.

3) part of a chromosome that attaches to the spindle apparatus during mitosis or meiosis. >>>>>Centromere

4) a structure that forms across the middle of a higher plant cell in telophase; the beginning of a new cell wall which divides the two daughter cells from one another to finish mitosis. >>>>>Cell plate.

5) material in the cell nucleus that carries hereditary information; made up of DNA and various kinds of protein. >>>>>Chromatin.

7 0
3 years ago
What is one of the main differences between the phosphorus and sulfur cycles? A) Plants absorb phosphorus mainly from the air an
Elena L [17]
The answer is <span>D) The atmosphere has no significant role in the phosphorus cycle, but is an essential part of the sulfur cycle.

</span>

<span>Phosphorus is not abundant in the atmosphere. It comes mostly from the land and ocean. Phosphorus cycle through the lithosphere, hydrosphere, and biosphere, but not the atmosphere. The reason for this is that phosphorus cannot be found in the gas state, unlike the sulfur. On the other hand, sulfur cycle partially occurs in the atmosphere.</span>

8 0
3 years ago
Read 2 more answers
Which scientist studies biotic factors? A.) meteorologist B.) anthropologist C.) hydrologist D.
const2013 [10]
The scientist you're looking for is an anthropologist. 
4 0
3 years ago
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In humans, Muscular Dystrophy is an X-linked recessive disorder. Inheritance of the BRCA1 gene that can cause breast cancer in w
LekaFEV [45]

Answer:

Muscular Dystrophy : 50%

Breast cancer: 50%

Explanation:

Muscular Dystrophy (linked to X):

1/2 (mother) x 2/2 (father) = 2/4 (50%) chance of having an affected child with MD

Breast cancer (autosomal dominant disorder):

1/2 (mother) + 0 (father) = 1/2 = 50% chance of having an affected child with breast cancer

5 0
3 years ago
Most doctors and midwives recommend waiting at least ________ after birth to have intercourse.
Likurg_2 [28]

Most doctors and midwives recommend waiting at least four to six weeks after birth to have intercourse.

<span>This time window ensures that the cervix close, postpartum bleeding stop, and any internal injures heal properly so the woman don’t have any risk of hemorrhage or infection.</span>

7 0
3 years ago
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