Clonal selection implies that _____
A) brothers and sisters have similar immune responses
B) antigens increase mitosis in specific lymphocytes
C) only certain cells can produce interferon
D) a B cell has multiple types of antigen receptors
E) the body selects which antigens it will respond to
Answer: B
You might also like to view...
Put the following steps of DNA replication in chronological order
1. Single-stranded binding proteins attach to DNA strands. 2. Hydrogen bonds between base pairs of antiparallel strands are broken. 3. Primase binds to the site of origin. 4. DNA polymerase binds to the template strand. 5. An RNA primer is created. A) 1, 2, 3, 4, 5 B) 2, 1, 3, 5, 4 C) 3, 2, 1, 5, 4 D) 3, 1, 2, 4, 5
If the bacteriophage lambda enters into a host cell and integrates its genome into the host cell, the phage has entered the ________ cycle.
Fill in the blank(s) with the appropriate word(s).
What is meant by the equation p + q = 1.0?
What will be an ideal response?
Evolutionary change can occur when the frequency of alleles in a population changes. Which of the following describes a change in the allele frequency of a population due to chance?
A) founder effect B) bottleneck effect C) genetic drift D) gene flow