The control of Bacteria by antibiotics is often ineffective because
A. Bacteria mutate.
B. Bacteria destroy antibiotics.
C. Bacteria produce cell walls.
D. Bacteria reproduce asexually.
A. Bacteria mutate.
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How were the sequences that compose the replication origins in yeast discovered?
What will be an ideal response?
A repeated sequence, which, for example, can be 10 copies of the sequence TTA, is called a ________
A) VNTR B) RFLP C) STR D) HPLC E) PCR
Bile is made by the ________
Fill in the blank(s) with correct word
The sponge, a colonial protist, digests its food using ______________________.
A. a saclike gastrovascular cavity B. phagocytic collar cells and amoeboid cells C. a single opening through which food enters and wastes leave D. enzymes secreted by cells lining the gastrovascular cavity E. a muscular digestive organ that chemically and mechanically breaks down food