The egg and sperm unite to form a zygote. To prevent the new organism from having twice as many chromosomes as its parents,
What will be an ideal response?
the egg and sperm have only half the number of chromosomes found in the parents because of meiosis.
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Most seeds are dormant until
a. conditions are favorable. b. drastic conditions are present. c. the timing is right. d. conditions are favorable and the timing is right
Which of the following statements best describes ATP?
A. ATP is formed when energy is released during photosynthesis. B. When ADP + P becomes ATP, the amount of energy released is enough for a biological purpose. C. ADP is extremely high in potential energy. D. ATP is comprised of a sugar, base, and three phosphate groups.
Which mRNA below would code for a premature stop codon from the following amino acid sequence? N—Met-Gln-Leu-Arg-Cys—C
A) 5? - AUG CAG AUA GCG UGC UAG - 3? B) 5? - AUG AAG UUA GCG UGC UAG - 3? C) 5? - AUG CAG UAA GCG UGC UAG - 3? D) 5? - AUG CAG UUA UUG UGC UAG - 3? E) 5? - AUG CAG UUA GCG UGC AAG - 3?
Which elements are found in all carbohydrates, lipids, proteins, and nucleic acids?A) nitrogenB) carbonC) hydrogenD) oxygenE) phosphorusF) sulfur
What will be an ideal response?