Amino acids, fatty acids, sugars, and nucleotides are produced during which metabolic reaction?
a. Fueling
b. Biosynthesis
c. Polymerization
d. Assembly
B
During biosynthesis, amino acids, fatty acids, sugars, and nucleotides are produced using pre-cursor products in dozens of pathways to produce nearly 100 different products.
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NOTE: The following questions with Punnet squares reflect on a consistent observation that students can commonly use Punnet squares easily, but frequently make mistakes setting them up
STEM/DATA In a population of wild-caught flies, you are focusing on the trait of bristle length. You find that the trait varies between two phenotypes where some flies have long bristles while others have very short bristles. You set up several matings between individual flies from this mixed population and observe the following results in the offspring: Mating # male parent female parent offspring phenotypes 1. long long all long 2. long long all long 3. short short some long, some short 4. short short all short 5. long short all short 6. long short some long, some short 7. short long some long, some short 8. short long all short The male and female offspring have the same chance of having either long or short bristles in each cross. Which phenotype is recessive? A. long B. short
One technique for chromosome analysis is called ____________________, which uses chromosome-specific DNA sequences attached to fluorescent dyes to target specific chromosomal regions
Fill in the blank(s) with correct word
The first cells were most likely heterotrophic anaerobes because:a
they were dependent upon cyanobacteria for oxygen. b. they manufactured organic molecules and needed oxygen. c. they manufactured organic molecules and do not need oxygen. d. they utilized preformed organic molecules and needed oxygen. e. they utilized preformed organic molecules and did not need oxygen.
Lichens are generally described as which type of symbiotic relationship?
A. Mutualism B. Commensalism C. Parasitism D. Competition E. Amensalism