What large molecules are essential in determining the structure and function of cells and tissues?
a. RNA
b. genes
c. proteins
d. hormones
e. nucleotides
c
You might also like to view...
Which of the following statements comparing fungal and animal nutrition is correct?
A. Fungi digest and then absorb food, whereas animals ingest and then digest food. B. Fungi are autotrophs, whereas animals are heterotrophs. C. Fungi and animals both ingest their food prior to digestion. D. Fungi are unable to break down complex molecules, whereas animals can breakdown complex molecules. E. Fungi and animals both actively move through the environment in search of food.
Which of the following is incorrectly paired?
a. autotroph?plants b. carnivore?snake c. herbivore?sheep d. ruminant?cow e. suspension feeders?mosquitoes
The plasma membrane gets new lipids from:
a. The lumen of the ER. b. The lumen of the Golgi apparatus. c. Making new lipids at the plasma membrane. d. The nucleus. e. None of the above.
If an amphibian zygote is manipulated so that the first cleavage plane fails to divide the gray crescent, then _____
A) the daughter cell with the entire gray crescent will die B) both daughter cells will develop normally, because amphibians are totipotent at this stage C) only the daughter cell with the gray crescent will develop normally D) both daughter cells will develop abnormally