How many homologous chromosome pairs are contained in the nucleus of an adult human male somatic cell?

a. 46
b. 23
c. 22
d. 45


c. 22

Biology & Microbiology

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In a cow's udder, milk

A. contains Lactococcus. B. contains Lactobacillus. C. is acidic. D. is sterile.

Biology & Microbiology

The cell shown here is most likely _____

1.finished with metaphase and transitioning to anaphase 2.preparing to duplicate its chromosomes 3.getting ready to align its chromosomes between the spindle poles in metaphase 4.preparing to decondense its chromosomes at the spindle poles

Biology & Microbiology

It takes 1 calorie of heat to raise the temperature of 1 gram of water 1 degree Celsius at sea level. This

is referred to as the __________ of water. a. heat of fusion b. heat of vaporization c. specific heat d. heat of transformation e. heat of homeostasis

Biology & Microbiology

Whose proposal of the endosymbiotic theory of mitochondrial and chloroplast origin was ultimately accepted by the grater scientific community?

A. Rudolf Virchow B. Ignaz Semmelweis C. Lynn Margulis D. Theodor Schwann

Biology & Microbiology