BIOLOGY HIGH SCHOOL

During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, and some become part of the stomach, etc. the term for this process is: select one:a. duplication.
b. division.
c. differentiation.
d. specialization.

Answers

Answer 1
Answer:

The correct answer is c.

Differentiation in prenatal development is the process of growthand development in which embryonic cells become specialized and differenttissue structures rise. Differentiation of the cells during this stage is crucialto the cell, tissue, organ, identity of the organism.

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Influenza is caused by a _______, which contains genetic information but cannot reproduce independently and is not considered to be a living organism.

Answers

Influenza (AKA the flu) is caused by a virus.

Sexual reproduction in paramecia is called _____.
conjugation
fission
meiosis

Answers

Answer:

The correct answer would be conjugation.

Paramecia can reproduce sexually as well as asexually. In the case of paramecium, asexual means include binary fission and sexual reproduction involves the process of conjugation.

Conjugation is the process by which two paramecia unite temporarily and exchange genetic material.

In each paramecium, the micronucleus divides by meiotic division and produces four haploid nuclei out of which only 1 nucleus survives.

The survived nuclei divide with the help if mitotic division and forms two nuclei.

The two paramecia get separated after exchanging one haploid nucleus.

The new haploid nucleus and old haploid nucleus fuse with each other to form a diploid micronucleus.

Answer:

Conjugation

Explanation:

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

Answers

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:

Progesterone in the blood is highest during the luteal phase

Explanation:

Lactic acid fermentation side effects can be felt in sore or tired muscles this process occurs anaerobically which means ?

Answers

If the question is just asking the definition of anaerobic then the answer would be that it doesn’t require oxygen.

20. Which of the following statements regarding human genetic disorders is accurate? A. Nondisjunction is responsible for causing Huntington's disease. B. Disorders in individual genes can cause disease or provide individuals with a genetic advantage. C. Disorders in individual genes are responsible for Down's syndrome. D. Nondisjunction can lead to an incorrect number of sex chromosomes.

Answers

The right answer for the question that is being asked and shown above is that: "B. Disorders in individual genes can cause disease or provide individuals with a genetic advantage." the statements regarding human genetic disorders is accurate is that disorders in individual genes can cause disease or provide individuals with a genetic advantage. 

Which of the following are examples of trisomy?Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome

Answers

Example of Trisomy 21 detected... the presence , which is found in Down syndrome, is calledtrisomy 21. ... Of these, Trisomy 21 and Trisomy 18 are the most common. ... XXX (Triple X syndrome); XXY (Klinefelter syndrome); XYY ... Turner syndrome (XO).   


so i think all are right
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