Which of the following statements accurately describes the phases of the menstrual cycle in humans?

Answers

Answer 1

Answer: A is incorrect, ovulation happens around day 14. B. is correct, during the luteal phase LH from the anterior pituitory gland stimulates the corpus lutem to secrete progesterone. C. is incorrect, the follicular phase is when FSH is released from the anterior pituitary. D is incorrect, the luteum is stimulated in the luteal phase.

Answer 2

Answer:

Progesterone in the blood is highest during the luteal phase

Explanation:

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What macromolecule provides a person with most of the energy that is needed for daily activities?

Answers

I think that its carbohydrates i remember doing something like this at school lately hope that helps

Which explanation is most likely the reason for the evolution of a larger brain in humans?The size of the human brain increases the more it is used.
A larger brain allows humans to solve complex problems.
The size of the human brain has changed randomly over time due to mutations.
A large brain increases humans’ ability to fight and survive disease.

Answers

The most likely reason for the evolution of a larger brain in humans is that the size of the human brain increases the more it is used. The correct option is A. Evolution findings show that as the activities of man increase and as he advance in using his brain to develop new things that are needed for his convenience, the brain size also continues to increase.

Answer:

A large brain allows humans to solve complex problems.

Explanation:

The large brain in humans has enabled them to solve a complex problem in of the real world and also enabled them to survive more as compared to humans with the smaller brains.

In seven million years the size of the human brain is tripled. That allows them to store and process a huge amount of information and also help to interact with the people in the surrounding better.

Hence, the correct answer would be option B.

Which of the following is true? A. Around 1500AD, the human population began growing more rapidly. B. Around 1500AD, the human population began to decrease. C. Around 1500AD, the human population began to level off. D. Around 1500AD, the human population began to reach carrying capacity.

Answers

Lol no^ the human population began to grow rapidly... We now have 7 billion in comparison to the few million we once had

cell receptors and antibodies are similar in that both? b. are highly specific in their actions c. slow the rates of chemical reactions d. are involved in digestion

Answers

b. are highly specific in their actions. Cell receptors detect specific signals and Antibodies are usually released in response to specific foreign bodies.

The purines in DNA area. thymine and cytosine
b. thymine and guanine
c. adenine and guanine
d. adenine and cytosine