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3 years ago

Finish the following association by using vocabulary terms: Cell is to ? as ? is to system.

Biology

1 answer:

Luden [163]3 years ago

7 0

Cell is to part/building blocks/support as body is the system

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The removal of a woman's ovaries may contribute to decreasing sexual interest because her natural _____ level is lowered.

Helen [10]

Answer: Testosterone

Explanation: Testosterone is a hormone produced in the human body. In women the ovaries and adrenal gland produce testosterone which is released in small quantities into the blood stream. In women normal level of testosterone ranges from 15- 70 nanogram per deciliter. Low levels of testosterone in women can lead to lower sex drive, obesity, depression, lack of muscle tissue, weak bones and fertility issues.

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3 years ago

Muscle cells are typically high in the number of mitochondria. Why do you think this is the case?

DerKrebs [107]

Answer: it's because they need to provide a lot of energy.

Explanation: fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.

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4 years ago

Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal because

Marizza181 [45]

Answer:

The answer should be law

Explanation:

5 0

3 years ago

Diagram of the evolution of land plants?

frez [133]

The diagram for evolution of plants in the 4 stages is attached below.

Explanation:

The plants evolution has 4 main periods:

A. 1st Period of Plant Evolution

About 420 million years ago, plants evolved from algae. Formation of cuticle was the first terrestrial adaption.

B. 2nd Period of Plant Evolution

Abut 400 million years ago, the diversification of vascular plants came into being. The early vascular plants lacked seeds.

C. 3rd Period of Plant Evolution

This was around 360 million years ago, that the seed evolved. The plants had seeds, but they did not have any covering, so they were called naked seeds. These plants were gymnosperms.

D. 4th Period of Plant Evolution

This was the evolution of flowering plants, happened around 130 million years ago (during early Cretaceous period). The flowering plants were called angiosperms.

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3 years ago

A human cheek cell's cycle is 24 hours. The stages within the cell cycle vary in length. G1 phase - 11 hours, G2 phase - 4 hours

aleksklad [387]

Answer:

answer is c

Explanation:

The cell needs a lot of preparation and checks in G1, S and G2 to do mitosis. especially in the G1 phase which is the longest phase. It is explained by the fact that the cell should "rest and recover" after the last mitosis before getting into the second one

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2 years ago