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wariber [46]
2 years ago
9

Why are embryonic stem cells useful for medicine?

Biology
1 answer:
Annette [7]2 years ago
7 0

Answer:

Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury. For tissues that are constantly replaced, like blood and skin, stem cells would probably be replaced directly.

Explanation:

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Once cells have specialized and are performing a specific function they cannot.
deff fn [24]
Undergo differentiation 
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some cells can undergo cell division
7 0
2 years ago
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What is lactation? ​
agasfer [191]

Answer:

Lactation, secretion and yielding of milk by females after giving birth. The milk is produced by the mammary glands, which are contained within the breasts. breast-feeding; lactation. A mother holding and breast-feeding her newborn baby girl.

Explanation:

Hope it is helpful....

5 0
2 years ago
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Why does a chemical change change the chemical makeup of matter
Vinil7 [7]

Chemical change is a process where a current substance changes or is made into a new type of substance
<span>. Unlike the physical change, which is reversible. Chemical change stays into a its new form. Take for instance these -physical change- examples, making ice cubes. The process involves solidification or freezing where the water becomes ice or solid but when it melts back to its original or typical form with respect to temperature, it’s still water. When the paper is cut into pieces it isn’t burned or exposed to a stimuli that can trigger immediate change in its composition. It’s still the same. On the contrary, baking a cake involves these different compositions or substances –flour, egg, yeast and etc. that is baked to a cake, a newly formed unified substance of all the included ingredients.       </span>
4 0
3 years ago
Cecil is sexually attracted to his middle-school English teacher. He doesn’t act on his feelings however, because he realizes th
Alex777 [14]

Answer:

Ego

Explanation:

In 1923, Sigmund Freud's personality theory was structured into three different parts viz: Id, ego and superego

The id is the instinctive and unconscious part of the personality which responds directly to urges, needs and desires. The id operates on the pleasure principle that every wishful impulse should be satiated instantly regardless of the resulting effect.

The ego is the part that mediates between the unreasonable id and societal beliefs. It is the reasoning and decision-making component of the psyche.

The superego is the part that acts as a self critical conscience, reflecting the social standards that has been learnt

In this scenario involving Cecil, the id part of his personality is responsible for the sexual attraction to his English teacher but the ego part of his personality is making him realize that is socially unreasonable for his teacher to respond to his sexual advances. His ego, which operates with the reality principle is restraining him from acting from his feelings in consideration of social realities.

Therefore, his ego is restraining him from expressing his feelings of sexual attraction (Id) considering societal consequences.

4 0
2 years ago
BRAINLIESTTTT ASAP!!<br><br> How do seasons compare in the northern and southern hemispheres?
grigory [225]

the seasons in the northern hemisphere are the opposite of those in the southern hemisphere. this means that Argentina winter ans Australia winter begins in June the winter solstice in the southern hemisphere is June 20th or June 21 while the summer solstice the longest day of the year is December 21 or 22

3 0
3 years ago
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