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kap26 [50]
3 years ago
8

What is an experimental variable

Biology
1 answer:
lesya692 [45]3 years ago
3 0

a variable whose values are independent of changes in the values of other variables

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the portion of the industrial that lies deep to the blastocyst? in the formation of the maternal portion of the placenta
Ad libitum [116K]

The decidua basalis is the name for the maternal portion of the placenta. Oxygen and nutrients from the maternal blood permeate through the villi's walls and into the fetal capillaries in the inter-villous gaps.

<h3>What is Placental membrane ?</h3>

Blood from the mother and the fetus are separated by the placental membrane. The chorion is the name for the fetal portion of the placenta. The decidua basalis is the name for the maternal portion of the placenta.

At eight days after ovulation, the blastocyst is fully entrenched in the endometrial stroma in humans. Fibrin covers the entry point, and endometrial epithelial cells develop on top of it to further embed the blastocyst in the endometrium (Bischof and Campana 1996).

The uterus houses the placenta, a transient pregnancy organ. It is made up of elements from the mother and fetus. The chorion frondosum creates the fetal portion, and the decidua basalis creates the maternal portion.

To know more about Placenta please click here ; brainly.com/question/1604269

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2 years ago
How does mitosis in plant cells differ from that in animal cells?      A. Plant cells lack a cell membrane. B. Plant cells lack
skelet666 [1.2K]
The correct option is C.
Mitosis occur in both plants and animal cells. The difference in mitosis between the plant and animal cells occur during the cytokineses stage. In this stage, the animal cells form cleavages which gives rise to daughter cells. Because of the rigid cell wall that is present in plants they can not form cleavages, instead they form cell plate at the center of the dividing cells; this cell plate separate the newly formed cells.
5 0
3 years ago
in a family the father is affected by a genetic disorder the son in the family has the same disease but the daughters do not hav
Tresset [83]

Answer:

A.) Y-linked

Explanation:

Y-linked inheritance: Because only males have a Y chromosome, only males can be affected by and pass on Y-linked disorders. All sons of a man with a Y-linked disorder will inherit the condition from their father.

7 0
3 years ago
Read 2 more answers
Which part of the membrane helps large molecules pass through it
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Channel proteins help large molecules pass through the cell membrane.
7 0
3 years ago
All of these people are at risk of vitamin deficiencies
Lubov Fominskaja [6]
I will help you narrow it down, because I am not sure how many vitamins you can obtain from unenriched rice, but I do no that any time you would have a deficiency in vitamins, it would be because of not eating enough food that contains certain vitamins in general. So it's between B and C, I am leaning towards B.
6 0
3 years ago
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