A process of making exact copies of the cells of animals such as cats in the laboratory is technically known as
A. somatic cell nuclear transfer.
B. artificial insemination.
C. in vitro fertilization.
D. co-mingling.
A. somatic cell nuclear transfer.
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invertebrate biologist is conducting research with crabs. Her interest is ecdysis. This implies that she studies
A. tagmatization processes in crustaceans. B. how ommatidia function individually in a compound eye. C. how the HOX gene controls the fusion of the head and thorax into the cephalothorax. D. how ocelli evolved from mere photoreceptors to imaging lens. E. the molting process.
What is a substance required by all organisms for survival but something that they cannot make on their own?
a. Nutrient b. Sunlight c. Energy d. Carbohydrate e. Oxygen
A major function of bile is to emulsify fats
____________________ Indicate whether the statement is true or false.
The difference between a pre-mRNA and a mature eukaryotic mRNA is __________
a. the 5' and 3' ends have been modified in mRNA b. the removal of the leader sequence from the pre-mRNA c. the fact that all introns have been spliced out in the mRNA d. Both a and c e. All of the above