Radiometric dating
a. is based on the premise that each isotope
decays at a constant rate.
b. is unpredictable because changes in
temperature and pressure alter the results.
c. can be used to date sedimentary rock.
d. has a large error factor.
e. is used for dating only recent fossils.
A
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Match the following items with the correct phrases.
_______1. The end product of ____________________ is a messenger RNA molecule. _______2. Combining two monosaccharides to form a disaccharide is an example of ____________________. _______3. James Watson and Francis Crick were the first to publish an article describing ____________________. _______4. The end product of ____________________ is a protein. _______5. Breaking the bond in a disaccharide to produce two monosaccharides is an example of ____________________. a. a dehydration synthesis reaction b. DNA replication c. a hydrolysis reaction d. transcription e. translation
________ techniques are based on recreating a microenvironment in the laboratory to promote the growth of a microorganism formerly restricted to a small ecological niche.
A. PCR B. Fastidious growth C. Community growth D. Enrichment culture
Why is the term “conidial fungi” confusing?
What will be an ideal response?
What type of mutation results in sickle cell
anemia?
a. base- pair substitution b. insertion c. deletion d. frame-shift e. gene duplication