Cartilaginous fishes lack gills in their adult form
Indicate whether the statement is true or false
FALSE
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If houseplants must be left unattended for a length of time, some people recommend placing plastic bags over them. What is the reasoning behind this?
a. Water tension will decrease. b. The plants won't freeze. c. Photosynthesis will increase because of trapped carbon dioxide. d. Transpiration will be slowed and more water will be retained in the soil. e. The bag will trap oxygen.
Chloroplasts ____
a. resemble photosynthetic bacteria b. utilize the same pigments regardless of what organism they are in c. apparently evolved from mitochondria d. utilize DNA derived from the nucleus e. are found in prokaryotes
Is the number of chromosomes in each cell of an organism a good indicator of the complexity of that organism?
A. It depends on the type of cells of the organism. B. Yes, the number of chromosomes indicates how complex an organism is. C. Yes, the number of chromosomes is a good indicator of an organism's complexity, but the amount of DNA matters even more. D. No, the number of chromosomes does not indicate how complex an organism is.
Which of the following statements about fermentation is true?
a. It allows the electron transport chain to continue in the absence of oxygen. b. It provides additional protons to allow the electron transport chain to continue. c. It is an alternative way to return electron carriers to their oxidized state. d. It is an alternative way for a cell to produce oxygen.