When an individual's immune system responds to an appropriate antigenic stimulus during the course of daily activities, this is called
A. naturally acquired passive immunity.
B. artificially acquired passive immunity.
C. artificially acquired active immunity.
D. naturally acquired active immunity.
Answer: D
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Females have two copies of the X chromosome, so they can be homozygous or heterozygous for any genes found on the X chromosome. Males have only one copy of the X chromosome. What term is used to describe this inheritance state?
What will be an ideal response?
What is the network of nerves that radiates out from the brain and the spinal cord part of?
A) the central nervous system B) interneurons C) the peripheral nervous system D) neurotransmitters
Which of the following is the function of DNA?
A) DNA is responsible for the storage and replication of genetic information. B) DNA serves to hold the information for protein, lipid, and carbohydrate storage. C) DNA is required when cells are using their ribosomes to translate a protein. D) DNA is used structurally to hold the nucleus together. E) DNA is involved in the expression of stored genetic information.
Plants often do not survive indoors because they lack adequate amounts of (Check all that apply)
A. light. B. carbon dioxide. C. water. D. minerals.