Nearly all bacteriophages infecting members of the Archaea possess genomes made of ________.
A. ssRNA
B. dsRNA
C. ssDNA
D. dsDNA
Answer: D
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Answer the following statements true (T) or false (F)
1. Proteins can have separate domains with distinct structures and functions. 2. The primary structure of a protein ultimately determines its three-dimensional structure. 3. All amino acids within a protein are either polar charged or polar uncharged. 4. The four nucleotide bases found in DNA are identical to those in RNA.
A diet that is lacking in certain minerals such as iron can lead to osteoporosis.
Answer the following statement true (T) or false (F)
A cell's fate is determined while the cell is differentiating.
Answer the following statement true (T) or false (F)
To explain how varieties were on the path to becoming new species, Darwin introduced the concept of:
a. descent and modification. c. variational change. b. transformational change. d. All of the above.