Parathion is effective and highly toxic to only about 5% of the human population

a. True
b. False
Indicate whether the statement is true or false


False

Biology & Microbiology

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Describe reproduction in the sea star.

What will be an ideal response?

Biology & Microbiology

Lipids

a. yield less energy per gram than do carbohydrates. b. include cartilage and chitin. c. include fats consisting of one fatty-acid molecule and three glycerol molecules. d. are composed of monosaccharides. e. are none of these.

Biology & Microbiology

Which of the following is not a membrane-bound organelle?

A) mitochondrion B) cytoskeleton C) nucleus D) endoplasmic reticulum

Biology & Microbiology

Certain cells of sporophytes undergo meiosis to produce haploid reproductive cells called _____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology