Which of the following does NOT provide new genetic combinations?
A) Random fertilization B) Cytokinesis
C) Independent assortment D) Crossing over
B
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Describe the approach using genomics to identify genes that contribute to the variations in cognitive ability observed
in humans.What will be an ideal response?
Carbon balance focuses on the balance between
A) uptake of CO2 in photosynthesis and loss of heat via evapotranspiration. B) loss of CO2 through respiration and gain of nutrients. C) loss of H2O balanced with the gain of CO2 via transpiration. D) uptake of CO2 in photosynthesis balanced with the loss of CO2 during respiration.
What is an amphipathic molecule. Give an example
A. A molecule that contains quaternary structure such as PROTEINS. B. (4) A molecule that is hold together by hydrophobic interactions such as PROTEINS C. A molecule that contains hydrophobic groups such as LIPIDS D. A molecule that contains both hydrophobic and hydrophilic groups such as LIPIDS. E. A molecule that contains both hydrophobic and hydrophilic groups such as POLYSACCHARIDES.
The mites and ticks carry their mouthparts on a little anterior projection called the
a. Hypostome b. Rostrum c. Capitulum d. Pedipalp e. Pectin