Genetic information is stored in DNA
a. True
b. False
Indicate whether the statement is true or false
True
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Which would be the most accurate endomembrane route through which a protein is secreted from a cell?
A. Golgi apparatus?lysosome?vesicles?plasma membrane B. plasmid?plasma membrane?nuclear envelope?smooth endoplasmic reticulum C. nuclear envelope?vesicles?Golgi apparatus?plasma membrane D. rough endoplasmic reticulum?lysosomes?vesicles?cell membrane E. rough endoplasmic reticulum? Golgi apparatus?vesicles ?plasma membrane
You have been asked to synthesize a new isotope for cadmium. Which part of the original atom would you need to manipulate in order to create an isotope?
A. Neutrons. B. Protons. C. Protons and neutrons. D. Electrons.
What is an insoluble barrier?
What will be an ideal response?
Which of the following is NOT a prezygotic barrier to interbreeding between different species?
a. Biochemical factors prevent the sperm of one species from fertilizing the egg of the other species. b. Two species have sufficient physical differences that cause them to be unable to mate. c. Two species live in areas so far from each other that they never meet. d. Two species have different courtship rituals. e. Hybrids between the two species are infertile