Bacteria
a. are diploid organisms.
b. produce gametes.
c. have a life cycle that varies between
unicellular stage and multi-cellular stage.
d. have a single circular chromosome.
e. lack either DNA or RNA
D
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Which is the correct order of absorption for water entering the root system?
a. epidermis endodermis cortex vascular cylinder b. endodermis epidermis vascular cylinder cortex c. epidermis endodermis vascular cylinder cortex d. epidermis cortex endodermis vascular cylinder
Cellular respiration starts in the cytoplasm with the process of
1.glycogenolysis. 2.gluconeogenesis. 3.glycolysis. 4.the Krebs cycle. 5.none of the choices
Which of the following is false?
a. All respiratory surfaces must be kept moist. b. The amount of gas diffusing across a respiratory membrane is dependent upon the surface area and the partial pressure of each gas. c. The surface area of a growing cell increases at the same rate as its volume. d. Ventilation maintains partial pressure gradients between the atmosphere and the lungs. e. Breathing and ventilation are equivalent in respiration.
Two animals are considered members of different species if they __________.
Fill in the blank(s) with the appropriate word(s).