In an experiment for science class, ten onion plants grown in individual containers are separated into two groups. one group is placed in a room that gets sunlight and water daily, and the other group is placed in a dark room and given water weekly. after three weeks, the plants are observed. which best describes an error the students made in the experiment?

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.

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.