Most of the protein eaten by the mother during the third trimester of pregnancy is used for fetal brain and

____________________ system growth and development Fill in the blank(s) with the appropriate word(s).


nervous

Biology & Microbiology

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Of the following molecules, which passes through a lipid bilayer most readily?

A. carbon dioxide B. glucose C. K+ D. arginine E. RNA

Biology & Microbiology

Represented by only one living genus, Equisetum, these seedless vascular plants have leaves in whorls

around a photosynthetic stem that is stiff and gritty because they accumulate silica in their tissues

a. mosses b. whisk ferns c. ferns d. club mosses e. horsetails

Biology & Microbiology

The molecule that carries amino acids during translation is ____

a. DNA b. rRNA c. mRNA d. tRNA e. RNA polymerase

Biology & Microbiology

Mutant forms of tumor-suppressor genes act _____; both copies of the gene must be _______ before their protective function is lost.

a) as dominant Mendelian traits, mutated or deleted b) recessively, mutated or deleted c) recessively, preserved d) as dominant Mendelian traits, preserved

Biology & Microbiology