Plasmodesmata ______________________
(a) permit small molecules to pass from one cell to another.
(b) are found only in animal cells.
(c) are closed by the neurotransmitter dopamine.
(d) provide tensile strength.
(a)
Biology & Microbiology
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Proteins are polymers of ____
a. amino acids b. monosaccharides c. steroids d. nucleotides e. phospholipids
Biology & Microbiology
List the five steps of the scientific method in order
What will be an ideal response?
Biology & Microbiology
Which type of tissue is composed of cells that are often dead at maturity?
a. parenchyma b. sclerenchyma c. collenchy
d. epidermis e. lignin
Biology & Microbiology
An electrocardiogram (ECG, EKG) is a measure of the heart's:
a. electrical system. b. blood flow to the body. c. contraction rate. d. blood flow to heart muscle. e. pumping ability.
Biology & Microbiology