Which cell structure serves the stated function in both eukaryotic and prokaryotic cells
a. nucleus: stores genetic information
b. cytoplasm: protects cell structures
c. ribosomes: regulate cell processes
d. dna: surrounds cell contents

Why do you think the puppy litter was all dark-haired?

What is thought to have caused the mass extinction at the end of the cretaceous period?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand