Macrophages, neutrophils, and lymphocytes are different types of white blood cells, or

A. erythrocytes.
B. leukocytes.
C. thrombocytes.
D. platelets.


Ans: B. leukocytes.

Biology & Microbiology

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Eustachian tube connects the middle ear and which of the following?

Biology & Microbiology

Which process ensures that seeds produced in temperate climates will not germinate before spring?

a. dormancy b. scarification c. vernalization d. dispersal

Biology & Microbiology

One of the ways that cells balance anabolism and catabolism is to

A) use feedback inhibition to shut down a pathway that is not needed. B) use the same enzyme to run a reaction in both the catabolic and anabolic direction. C) use the same enzyme to run a reaction in both the catabolic and anabolic direction and use feedback inhibition to shut down a pathway that is not needed. D) use separate coenzymes such as NAD+ vs. NADP+ for catabolic vs. anabolic pathways. E) use feedback inhibition to shut down a pathway that is not needed and use separate coenzymes such as NAD+ vs. NADP+ for catabolic vs. anabolic pathways.

Biology & Microbiology

What is the probability of obtaining an individual with the genotype bb from a cross between two individuals with the genotype Bb?

a. 1/2 b. 1/4 c. 1/8 d. 0

Biology & Microbiology