Endochondral ossification step 5

What will be an ideal response?


Epiphyses ossify (hyaline cartilage remains only in epiphyseal plates articular cartilages)

Biology & Microbiology

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You take a sample of bacteria with DNA that contains only 14N and allow them to replicate in a medium that contains only 15N.  After 3 rounds of replication, what percent of the DNA molecules will contain one strand with only 14N and one strand with only 15N?  Enter your answer as a whole number without the percent sign.  For example, 5% would be entered as 5 and 37% would be entered as 37.  

What will be an ideal response? Clarify Question · What is the key concept addressed by the question?   · What type of thinking is required?   · What key words does the question contain?   Gather Content · What do you already know about the Meselson-Stahl experiment?   Consider Possibilities · What other information is related to the question? Which information is most useful?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

A gland that produces alkaline secretions that function to activate sperm and reduce the acidity of the female reproductive system. _____

A) Endometrium

B) Testis

C) Cervix

D) Uterus

E) Oviduct

F) Ovaries

G) Vagina

H) Seminal vesicle

I) Penis

J) Prostate gland

K) Vas deferens

L) Glans penis

Biology & Microbiology

In vertebrates, the neurotransmitter acetylcholine ____

a. can act as a direct neurotransmitter between neurons and muscle cells b. is involved in memory and learning c. can be released into the circulation and act as a hormone d. can act as a pain reducer and initiate euphoria e. is involved in pain perception

Biology & Microbiology

Which of the following is NOT true?

a. Acids donate hydrogen ions. b. In a neutral solution, the amounts of hydrogen and hydroxyl ions are equal. c. Salts have no function in cells. d. Bases accept hydrogen ions.. e. .7.0 represents a neutral pH.

Biology & Microbiology