If a set of genes is repressed in the presence of the controlling substance, it is referred to as ________ control.
Fill in the blank(s) with the appropriate word(s).
negative
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What type of sRNA often requires a chaperon protein for strong regulation activity?
A) antisense RNA B) riboswitches C) siRNA D) trans-sRNA
Which of the following structures is NOT
found in mature sperm? a. nucleus b. acrosome with enzymes c. mitochondria d. microtubules in the tail e. ribosomes
Microbes called the group I archaea or mesophilic Crenarchaeota that were found to oxidize ammonia in marine environments are now placed in the phylum ________.
A. Crenarchaeota II B. Euryarchaeota C. Thaumarchaeota D. Korarchaeota
What are the potential consequences if a person's kidney suddenly stopped secreting the normal hormones?
A. There would be a significant increase in the amount of potassium that is excreted by the kidneys. B. There would be an increase in the amount of water retained in the body, leading to edema. C. The person would have trouble regulating their blood volume and pressure due to the imbalance of salt in the bloodstream. D. All of the choices are potential consequences.