Which of the following is a plant cell type that is commonly found in and gives support to vascular tissues in stems
and leaves?
a. sclereids
b. fibers
c. stomata
d. parenchyma
e. collenchyma
ANSWER: b
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Which of the following is not true of mycoplasmas?
a. They are the smallest truly living organisms. b. They are members of the domain Bacteria. c. They only inhabit multicelled organisms. d. Although classified as gram-positive, they lack cell wall. e. They can be pathogenic, causing pneumonia and urinary tract infections.
Which habitat is most likely to be rich in fossils?
a. eroding hillsides b. deserts c. polar ice caps d. shallow seas e. rocky plateau
The removal and analysis of a piece of tissue that is suspected to be cancerous is called a(n) ________
Fill in the blank(s) with correct word
The cortical reaction causes
A. egg membrane depolarization. B. the vitelline layer to harden. C. the sperm to bind to the egg membrane. D. the embryo to embed into the uterus. E. follicle maturation.