Which of the following traits of complex multicellular organisms is also shared by some single -celled organisms?
A. adhesion
B. plasmodesmata
C. gap junctions
D. bulk transport
E. None of the answer options is correct.
A
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Recall that a small amount of releasing factor (from the hypothalamus) can cause the adrenal cortex to secrete a greater amount of cortisol. The action of cortisol, in turn, can result in a high final concentration of glycogen in the liver
What is this an example of? Select all correct choices. A. hormone signal denaturation B. hormone signal amplification C. hormone signal accumulation D. hormone signal degradation
The ____ structure of a protein refers to the conformation, or overall three-dimensional shape, of a
polypeptide that has been folded into a functional protein.
a. primary b. secondary c. tertiary d. quaternary e. linear
Organisms of significant value to humans from this fungal phylum include the yeast Saccharomyces
cerevisiae, antibiotic-producing species of Penicillium, truffles, and morels.
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Which of the following calculations require that you utilize the addition rule?
A) Calculate the probability of black offspring from the cross AaBb × AaBb, where B is the symbol for black. B) Calculate the probability of children with both cystic fibrosis and polydactyly when parents are each heterozygous for both genes. C) Calculate the probability of each of four children having cystic fibrosis if the parents are both heterozygous. D) Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both.