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BACE Practice Test 2 Questions and Answers 2024
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BACE Practice Test 2
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BACE Practice Test 2Complimentary base pairing between two DNA strands is due to the formation of -
answer hydrogen bonds
Cellulose is an important raw material for textiles and a variety of other industries.
Which of the following is a function of polysaccharides in the cell? - answer Providing
structure and energy storage within cells
Lipids are composed mainly of which of the following atoms? - answer carbon and
hydrogen
T/F: A solute is the dissolved matter in a solution. - answer true
Process which uses oxygen as a raw material - answer aerobic respiration
Process which releases carbon dioxide and ethyl alcohol – answer anaerobic
respiration
Process by which glucose is utilized by a cell - answer Both Aerobic and Anaerobic
Respiration
Process which uses carbon dioxide as a raw material - answer Neither Aerobic or
Anaerobic Respiration
Why are enzymes necessary in living organisms? - answer Enzymes increase the rate
of chemical reactions which would otherwise occur too slowly to sustain life.
Which of the following affects the rate of a chemical reaction? - answer Concentration,
Heat, Presence of a Catalyst
Made of four nitrogenous bases - answer all DNA
Contained in a nucleus - answer Eukaryotic DNA
Long, circular DNA with several thousand genes - answer Prokaryotic DNA
Small, circular DNA floating in the cytoplasm - answer Plasmid
Double helix structure of repeating nucleotides - answerAll DNA
Linear, very long pieces of DNA with many thousands of genes - answerEukaryotic
DNA
, When DNA replicates, each original strand of DNA serves as a template for a new
strand. What type of replication is this? - answerSemi-conservative replication
Transcription begins when RNA polymerase binds to which area on the DNA strand? -
answerPromoter
Many enzymes used in biotechnology applications occur naturally within the cell. Which
enzyme is involved in DNA replication? - answerDNA Polymerase
Where does translation take place in prokaryotes? - answerribosomes
If a bacterial cell did not contain restriction enzymes, which of the following would be
likely to occur? - answerThe cell would be easily infected and lysed by bacteriophages.
Cell theory states: - answerAll life forms are made from one or more cells.
Cells only arise from pre-existing cells.
The cell is the smallest form of life.
What happens at the ribosome? - answerprotein synthesis
Which type of cell could use sugar to produce energy in an oxygen-deprived
environment? - answerbacterial, animal (muscle), yeast
After mitotic division, how many chromosomes do daughter cells have compared with
the parent cell? - answerthe same number
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 wall.
A technician performing an ELISA uses a primary antibody with a mouse IgG2a isotype
to analyze patient blood samples. Which of the following secondary antibodies would be
the most appropriate to use in the assay? - answerRabbit anti-mouse
Which of the following best defines the term "epitope"? - answerThe part of an antigen
that is recognized by the immune system
Genomics involves the study of - answerMapping the location of genes in the genome
Comparing genomes between different organisms
Studying gene expression under varying conditions or in different cell types
Identifying the function of the genes in the genome
T/F:Human males inherit an X chromosome and mitochondrial DNA from their mothers.
- answertrue
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