How many genes are carried on the human X chromosome?

a. 1,336
b. 2,002
c. 228
d. 626
e. 12,000


a

Biology & Microbiology

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The connection point of two sister chromatids is called the _____

a. chromatid b. chromatin c. centriole d. centrosome e. centromere

Biology & Microbiology

The functional unit of the kidney is the

a. renal pelvis. b. ureter. c. cortex. d. nephron.

Biology & Microbiology

Why might the lungs of smokers look dirtier than those of nonsmokers, assuming all other aspects of their lives are similar? What organelle is involved?

What will be an ideal response?

Biology & Microbiology

Which of the following events follows cell fusion in an ascomycete?

a. conidiophore formation b. conidiospore germination c. ascus opening d. ascospore formation e. conidiospore release

Biology & Microbiology