Which of the following accurately describes transcriptional control of gene expression in eukaryotes?
a. Activators trigger sequences of DNA transcription factors to be expressed
b. Dependent on interactions of mRNA sequences with ribosomes
c. Promoters help transcription factors bind to RNA polymerases
d. Transcription factors help RNA polymerase bind to promoter sequences - correct answer
Transcription factors help RNA polymerase bind to promoter sequences
Based on their chemical equations, photosynthesis and cellular respiration have which of the following
relationships?
a. equivalent reactions
b. incomplete reactions
c. opposite reactions
d. unrelated reactions - correct answer opposite reactions
Which of the following parts of a plant seed turns into the root system?
a. cotyledon
b. epicotyl
c. hypocotyl
d. radicle - correct answer radicle
Which of the following equations is often used to show that an enzyme has formed a complex with its
substrate?
What type of muscle cell has branching, striated cells, each containing a single nucleus?
a. cardiac muscle
b. rough muscle
c. skeletal muscle
d. smooth muscle - correct answer cardiac muscle
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus
b. lysomes
c. mitochondria
d. vacuoles - correct answer mitochondria
Male peacocks having more ornate plumage than their female counterparts is an example of which of
the following features of ecological behavior?
a. monogamy
b. sexual dimorphism
c. sexual selection
d. territoriality - correct answer sexual dimorphism
Which organic molecule is composed of an amino group, a carboxylic acid group, and an R group?
A. carbohydrate
B. phospholipid
C. amino acid
D. nucleotide - correct answer amino acid
Which step of the photosynthesis pathway produces a carbohydrate from CO2 in the atmosphere?
, Bio 101 Final- Straighterline 120 questions and correct answers .latest solution
A. the light reactions
B. ATP production
C. the Calvin cycle
D. the C4 pathway - correct answer the Calvin cycle
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and 2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - correct answer Citric Acid Cycle
Which membranous organelle, present in both animal and plant cells, is primarily used for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - correct answer the vacuole
Plants are capable of growth throughout their entire lifespan because of specialized tissue known as the
A. petiole
B. cotyledon
C. xylem
D. meristem - correct answer meristem
Which group of hominids had an appearance similar to modern man and hunted cooperatively using
advanced stone tools?
A. Homo habilis
B. Homo floresiensis
C. Cro-Magnons
D. Neandertals - correct answer Cro-Magnons
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