Energy is important to life forms because
A) all life forms require a continuous supply of it.
B) it is required to do work.
C) it is required to make specific alterations in the cell.
D) both choices A and B
E) choices A, B, and C
E) choices A, B, and C
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Answer the following statements true (T) or false (F)
1. A simple dot matrix is the best method to identify homologous sequences from a known sequence. 2. If a gene's sequence is compared among several different vertebrates and they are found to be 95% homologous, one can assume that the genes are derived from the same ancestral gene. 3. Sequences that are alike will produce a horizontal line in a dot matrix analysis. 4. The current genome databases are biased towards species that are important from a research, medical, or agricultural perspective.
Which restriction enzyme leaves blunt ends?
A) XbaI B) SmaI C) EcoR1 D) BamHI E) All of these
Which of the following is NOT representative of endocrine glands?
A) They produce hormones. B) They drain into blood vessels. C) They have ducts. D) They drain into lymph vessels.
Disease that is readily transmitted from one person to another ________
Fill in the blank(s) with the appropriate word(s).