Exam (elaborations)
BACE Practice Review Questions and Answers 2024
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BACE Practice Review
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BACE Practice ReviewA solvent is the dissolved matter in a solution - answer False
The enzyme maltase catalyzes the break down of maltose into glucose. A technician
added maltase to a solution of maltose to be incubated at 37°C. Samples were taken
from the reaction tube every five minutes over the course of one hour, to measure the
glucose concentration. After an hour, the technician noticed the water bath failed to
reach 37°C (it only warmed to 25°C).
Which of the following is the most likely outcome of the reaction? - answer The enzyme
would become inactive, yielding no glucose
Circular, long DNA containing several thousand genes - answer Prokaryotic DNA
Linear, long pieces of DNA with many thousands of genes, contained within a nucleus -
answer Eukaryotic DNA
Which of the following serves as the decolorizer in a Gram stain? - answer Alcohol
Which of the following is an accurate description of Gram-positive bacteria after Gram
staining? - answerPurple, because Gram-positive bacteria have a thick layer of
peptidoglycan in the cell membrane.
Which of the following is NOT considered a significant advance in PCR methodology? -
answerThe use of agarose gel electrophoresis to visualize amplified products
Heat-stable DNA polymerase - answerPerforming PCR reactions
Protease - answerDegrading protein
Restriction Enzymes - answerDigesting DNA
Why might some people be ethically opposed to using CRISPR/Cas9 to create
mutations in animal embryos? - answerAlterations in germline cells will be passed on to
future generations.
Which of the following is the study of the entire set of proteins of a cell or organism? -
answerProteomics
Steps of the production of a product - answerQuality Control test and approves
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