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Ket [755]
3 years ago
11

How do astronomers think the sun may have begun?

Biology
1 answer:
borishaifa [10]3 years ago
8 0
They tried to connect the idea of stars with the sun
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What is sea turtle migration
IgorLugansk [536]

Answer:

Sea turtle migration is the long distance movements of sea turtles. It may refer to adults or the offshore migration of hatchlings.

6 0
3 years ago
During fetal development, sudoriferous glands develop from the :
lozanna [386]

Answer: The correct answer is A) Stratum basale.

Sudoriferous glands are also called as 'Sweat glands'. They are exocrine glands as they secrete their substances through the duct. They are tiny tubular glands with the secretory unit which is present in the dermis or subcutaneous tissue, and a duct which opens on the surface of the skin. Their primary role is regulation of body temperature as by sweating, body heat is lost.

During fetal development, sudoriferous glands develop from the Stratum basale. It is the deepest layer of the epidermis. It is made up of a single layer of cells which are resting upon the basement membrane, a layer present between dermis and epidermis.

Thus, sudoriferous glands are derived from Stratum basale during fetal development.

3 0
3 years ago
Read 2 more answers
A chromosomally XY fetus has a completely functional SRY gene and develops fully functional testes that produce both testosteron
ale4655 [162]

Answer:

Neither the Wolffian ducts nor the Mullerian ducts will develop

Explanation:

SRY gene is the gene is located on the Y chromosome and it is responsible for the development of testes.

MIS is Anti-Müllerian hormone which has the role to prevent the development of  Müllerian ducts (they develop into female internal genitalia).

Androgen insensitivity syndrome is a disorder characterized by unfunctional androgen receptors. If androgen receptors are not working properly,  the Wolffian ducts (they develop male internal organs) will not develop.

So, with MIS and withandrogen insensitivity syndrome, this fetus will not develop neither the Wolffian ducts nor the Mullerian ducts.

7 0
3 years ago
What are the smallest unit of living matter ?
mina [271]
A cell is the smallest unit of living matter
6 0
3 years ago
Chemical weathering is most effective in what type of climate? A) a warm, arid climate B) a cold, arid climate C) a warm, moist
Fofino [41]

<em>Chemical weathering is most effective in;</em>

C) A warm, moist climate

<u>Chemical processes need water, and occur more rapidly at higher temperature, so warm, damp climates are best.</u>

6 0
3 years ago
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