In a(n) (hypertonic/isotonic/hypotonic) solution, an animal cell can gain so much water that it may burst
What will be an ideal response?
hypotonic
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Which body site is preferentially infected by foodborne pathogens?
A) gastrointestinal tract B) respiratory tract C) cerebrospinal fluid D) liver
How are prokaryotic and eukaryotic genomes different?
a. Prokaryotic genomes are loops of double stranded DNA, while eukaryotic genomes are double stranded linear DNA molecules. b. Prokaryotic genomes are smaller than eukaryotic genomes. c. Prokaryotic genomes are larger than eukaryotic genomes. d. Eukaryotic genomes are loops of double stranded DNA, while prokaryotic genomes are double stranded linear DNA molecules.
Which type of macromolecule is present in enzymes?
What will be an ideal response?
Most cells in the body of an adult human lack the telomerase enzyme because its gene is turned off and is therefore not expressed
An important step in the conversion of a normal cell into a cancer cell, which circumvents normal growth control, is the resumption of telomerase expression. Explain why telomerase might be necessary for the ability of cancer cells to divide over and over again.