Associations between plant roots and fungi in which the fungi actually penetrate the outer cells of the plant root are
A. staphylomycorrhizae.
B. streptomycorrhizae.
C. ectomycorrhizae.
D. arbuscular mycorrhizae.
Answer: D
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There doesn't appear to be much diversity in the cell cycle processes of the Archaea, and Sulfolobus serves as an excellent model for all other Archaea.
Answer the following statement true (T) or false (F)
Polyploidy:a
may be the result of more than one sperm fertilizing an egg. b. is not lethal in humans. c. may be the result of the failure of a chromosome to separate during meiosis. d. can be due to nondisjunction for a chromosome. e. is the mechanism of dosage compensation.
Which of the following genera grow symbiotically within root nodules of legumes as nitrogen-fixing bacteroids?
A. Bacteroides B. Rhizobium C. Agrobacterium D. Nitrosomonas
Small RNAs that bind to an mRNA and alter its expression are known as (antisense/probes/restriction) RNAs.
Fill in the blank(s) with the appropriate word(s).