The types of bonds found in nucleic acids are:
A. phosphodiester bonds.
B. ionic bonds.
C. peptide bonds.
D. nonpolar covalent bonds.
Answer: A
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Which of the following is not true regarding the amphibian life cycle?
A. The adult life stage is carnivorous. B. The larval life stage is herbivorous. C. The larval life stage has lungs for breathing air. D. Reproduction must occur on land.
Once an egg has been fertilized, what event(s) are crucial for preventing additional sperm from inserting chromosomes into the egg?
A. the acrosomal reaction B. the cortical reaction C. the fast block to polyspermy D. both the acrosomal and cortical reactions E. both the cortical reaction and fast block to polyspermy
Describe what occurs during cleavage, growth, morphogenesis, and differentiation.
What will be an ideal response?
Which of the following best describes the transfer of energy and matter in photosynthesis?
A) Energy in sunlight directly becomes ATP molecules in photosynthesis. B) ATP is made up of chemical energy which is transferred to sugar. C) Energy in sunlight is transformed into chemical energy when electrons move to a more excited state. D) Matter in ATP is transferred to sugars in photosynthesis when electrons from ATP become part of sugars.