The protein-coding gene sequences in humans and chimpanzees
A. are about 80% alike.
B. are about 50% alike.
C. are more than 99% alike.
D. are vastly different.
E. are identical.
Answer: C
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Eugenic engineering is a type of genetic engineering with the goal of ________
a. developing better crop varieties b. developing treatments for obesity c. selecting the most desired human traits d. curing inherited diseases
Strobili are
a. gametangia. b. cone-shaped spore sacs. c. homospores. d. underground stems. e. horizontal stems.
Evidence that all living cells have a common origin is provided by:
a. the cell theory, which states that the cell is the basic unit of life. b. the fact that all new cells come from previously existing cells. c. the fact that cells are the building blocks of the most complex plants. d. basic similarities in cell structure and chemistry. e. the fact that cells are the smallest units that can carry out all life activities.
Which structure(s) delivers the blood that contains regulatory hormones to the anterior pituitary gland?
A) secondary capillary plexus B) inferior hypophyseal artery C) portal vessels D) superior hypophyseal artery E) hypophyseal veins