True or False: a given enzyme in a pathway can be activated by one molecule or inhibited by a different molecule
A. true
B. false
Answer Key: A
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Of the proteoglycans associated with the extracellular matrix in vertebrates, which of the following is associated with the lubrication of joints?
A) chondroitin sulfate B) glucuronate C) hyaluronate D) keratan sulfate E) mucoproteins
Which of the following is an example of potential energy?
a. riding a bicycle b. swinging on a rope swing c. doing jumping jacks d. sitting on a couch
If the p53 gene is damaged, a cell can behave as though there are which of the following?
a. more mutations b. apoptotic mutations c. no mutations d. proto-oncogene mutations.
A mechanism of gene regulation that controls the amount of mRNA available for translation is
_____________. Fill in the blank(s) with the appropriate word(s).