The mosses, hornworts, and liverworts are members of which group?
a. conifers
b. ferns
c. gymnosperms
d. bryophytes
e. angiosperms
ANSWER: d
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If you were to digest this DNA with PstI, which length of DNA fragment would migrate the fastest on an agarose gel?
A 6.85 kb EcoRI fragment of DNA is shown below. The location of several restriction sites is indicated. Scale is approximate.
A. 803
B. 2622
C. 3425
D. 235
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about restriction enzymes?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The wobble hypothesis states that:a
more than one ribosome can bind to an mRNA molecule. b. some amino acids are coded for by more than one codon. c. there is more than one stop codon in the genetic code. d. a particular amino acid may be linked to more than one type of tRNA molecule. e. certain tRNA anticodons can pair with more than one codon sequence.
Enrichment culturing may require use of controlled environmental conditions.
Answer the following statement true (T) or false (F)
Transcription factors are proteins that influence the ability of the RNA polymerase to transcribe a gene
Indicate whether the statement is true or false