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Eddi Din [679]
2 years ago
9

State two reasons why the fetal blood must not mix with the maternal blood?

Biology
1 answer:
gulaghasi [49]2 years ago
7 0

Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells

Explanation:

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3.C
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8 0
3 years ago
If a molecule is to large or polar and cannot easily diffuse into the cell, it is
Eddi Din [679]

Answer:

hydrophilic

Explanation:

Large polar or ionic molecules, which are hydrophilic, cannot easily cross the phospholipid bilayer. Charged atoms or molecules of any size cannot cross the cell membrane via simple diffusion as the charges are repelled by the hydrophobic tails in the interior of the phospholipid bilayer.

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3 years ago
When you talk about carbohydrates in a diet, people mostly think of foods containing grains, like bread and pasta. What else in
andrew-mc [135]

Answer:

Carbohydrates are found in a wide array of both healthy and unhealthy food,bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie. They also come in a mixture of forms. The usal  common and abundant forms are sugars, fibers, including starches.

Explanation:

6 0
3 years ago
The species name for the red maple is ?
maxonik [38]
The scientific name for the red maple is Acer Rubrum.
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3 years ago
A germ line mutation can have what possible outcome on the progeny (offspring)?
nikklg [1K]

Answer:

A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum). Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come together to form a zygote.

Explanation:

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