Biologic evolution is a scientific theory, which means it is just an educated guess with no evidence to support it.
a. true
b. false
Ans: b. false
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Which of the following statements regarding the gene FoxP2 is NOT true?
A. FoxP2 is a member of a large family of evolutionarily conserved transcription factors that play an important role in development. B. Individuals (humans) with mutations in FoxP2 often have problems with speech and language. C. A "molecular clock" analysis of the FoxP2 gene in chimpanzees and humans strongly suggests that the evolution of novel function in FoxP2 of humans led to the evolution of language. D. FoxP2 is involved in the development of many tissues, so it must have plieotropic effects (or "additional functions that are independent of language ability").
In what order would a vaccination needle pass
through the layers of the skin?
a. dermis-hypodermis-epidermis b. dermis-epidermis-hypodermis c. hypodermis-dermis-epidermis d. epidermis-dermis-hypodermis e. epidermis-hypodermis-dermis
The letter "B" in the above figure represents a(n) _____
a. kidney b. urethra c. urinary bladder d. ureter e. Bowman’s capsule
Some athletes use "blood doping," in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?
A) It decreases blood pressure. B) It changes the blood type. C) It increases oxygen delivery to muscles. D) It makes blood thinner so that it flows faster.