At the time of birth, what even provides a comprehensive exposure to microbial life during a natural delivery?
What will be an ideal response?
passage through the birth canal
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Cyclins modulate the progression of cells through the cell cycle by
A) directly activating G proteins. B) inducing synthesis of constitutively active forms of growth cell receptors. C) activating protein kinases that are critical regulators of cell division. D) degrading histones. E) increasing the production of DNA polymerases.
The unique double shells of diatoms are made of
A. cellulose. B. silica. C. chlorophylls. D. agar. E. proteins.
The major function of a receptor is to _____
a. control the autonomic functions of the body b. stabilize the internal environment to achieve homeostasis c. produce responses to the various stimuli the body receives d. give organisms or cells awareness of and sensitivity to their environment e. control the visceral functions of the body
During implantation, the __________ buries itself in the uterine wall
ANSWER: blastocyst Fill in the blank(s) with the appropriate word(s).