The symbiotic relationship between roots of this pine seedling and a fungus is known as a(n):
1.Zygomycete
2.Mycorrhiza
3.Lichen
4.Arbuscule
2
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Which epithelial cell is modified for diffusion?
a. cuboidal b. simple squamous c. simple columnar d. stratified squamous e. stratified columnar
As a protein is being synthesized, the correct folding of the protein is aided by the movement of nonpolar amino acids toward the inner areas of the protein. How can this phenomenon be explained? How will this influence other levels of protein structure?
What will be an ideal response?
A mutation that changes the amino acid sequence of the resulting protein by substitution is called a ________ mutation.
A. missense B. silent C. nonsense D. None of the choices are correct.
Human beings belong to the class:
a. chordata b. primate c. mammailia d. homo