A thickened area of the skin that results from excess friction is known as a ____
a. papilla
b. nail body
c. Langerhans cell
d. callus
d
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The two types of information needed to predict the inheritance pattern of a trait are
A. the way mitosis distributes the alleles of a gene and whether those alleles are dominant or recessive. B. the health of the mother and the father. C. the way genes are distributed in meiosis and the way that they come together when sperm joins egg. D. the age at which the trait appears and how it affects males or females.
When proteins undergo deamination, the waste substance found in the urine is mostly ________
A) ammonia B) ketone bodies C) urea D) acetyl CoA
Which of the following is true with regard to homosexuality?
A. It is found in only certain societies. B. It is more frequent among males than among females. C. Outside the Western world, it tends to be the predominant form of sexual behavior for adults. D. Attitudes toward it vary little across cultures.
Under resting conditions, the brain uses approximately 50% of the body's oxygen consumption and 20% of the body's glucose consumption
Indicate whether the statement is true or false