Which part of HIV facilitates attachment of HIV to TH cells?
A. Integrase
B. Fusion promoter
C. GP-120
D. Protease
E. Capsid proteins
Answer: C
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New genetic variations sometimes become more common within populations because ____
a. most parts of the genome are non-coding and are available for selection b. proteins can be "recruited" for advantageous function c. proteins for which they code are advantageous and selected d. adaptation occurs rapidly in the few species that have survived through time e. mutations are able to select against genetic variations that had disadvantageous function
______ detects and integrates information about changes and controls responses to those changes
a. Epithelial tissue c. Muscle tissue b. Connective tissue d. Nervous tissue
The _____ are two saclike structures that lie above the prostate, behind the bladder, and in front of the rectum in human males.
A. kidneys B. seminal vesicles C. ovaries D. Bartholin glands
The global hydrologic cycle begins with precipitation falling to Earth, and the cycle is completed by ________, driven by solar energy
Fill in the blank(s) with correct word