Identify the three basic themes in biology:I
The cellular composition of life
II. The evolution of life
III. The flow of energy through living systems
IV. The mechanisms of disease
V. The transmission of information
a. I, II, and III
b. II, III, and IV
c. III, IV, and V
d. I, IV, and V
e. II, III, and V
E
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Which of the following lists the female reproductive structures that sperm will pass through on their way to fertilize an oocyte, in the correct order?
a. cervix.. vagina..oviduct...ovary b. cervix...oviduct...vagina...uterus c. uterus...cervix...vagina...ovary d. vagina...cervix...uterus....oviduct
Answer the following statements true (T) or false (F)
1. Implantation of the blastocyst into the uterine wall is correlated with the degeneration of the corpus luteum. 2. Menstruation is initiated when progesterone levels increase. 3. The length of a pregnancy is influenced by the size of both the mother and the embryo. 4. The placenta develops from the endometrium while the fetus develops from embryonic tissue. 5. There is no possibility of a male contraceptive ever being developed for humans.
Blood pH is kept near a value of 7.3 - 7.5 because of
a. salts. b. buffers. c. acids. d. bases. e. water.
During which phase do chromosomes first become visible?
A) Interphase B) Prophase C) Telophase D) Metaphase