ON A TEST
Viral infections are difficult to treat medically because: (a) viruses do not respond to treatment with antibiotics (b) viruses have smaller ribosomes than the host cell (c) the symptoms of infection are always of short duration (d) viruses never elicit a response of antibody attack by the body's immune system

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters