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