4. What is a common feature of both active and passive immunity? A They are acquired by vaccination. B They are always short-tem. C They involve the activity of memory cells. D They involve antibodies.

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.

Which experiment would most likely contain experimental bias

How water is moving through the ecosystem ?