The great adaptive radiation that resulted in all
of the major animal lineages occurred in the
___ period.
a. Cretaceous
b. Devonian
c. Jurassic
d. Ordovician
e. Cambrian
E
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The covalent bonds connecting monomer units in sugars can be formed by the removal of a water molecule. This reaction is referred to as: rev: 09_11_2014_QC_53628
A. a hydrolysis reaction. B. an oxidation-reduction reaction. C. a dehydration reaction. D. a hydration reaction.
As a human I share 99% of my _____ with a chimpanzee, 60% of my ____ with a banana, but only share 50% of my _____ with my own daughter
A. alleles, alleles, alleles B. alleles, genes, genes C. nucleotide sequence, nucleotide sequence, nucleotide sequence D. nucleotide sequence, genes, alleles E. genes, alleles, nucleotide sequence
As a general principle of gene regulation through operons, regulatory genes encode
A) trans-acting proteins that interact with cis-acting DNA elements. B) cis-acting proteins that interact with cis-acting DNA elements. C) cis-acting proteins that interact with trans-acting DNA elements. D) trans-acting proteins that interact with trans-acting DNA elements.
A scientist is working in a lab sequencing DNA. After reading the results from a column of gel scanned in a fluoroscope, she determines that the sequence of bases in the newly synthesized DNA is AATTCCCGG
Which one of the following represents the sequence of bases on the complementary strand? A) GGCCAAATT B) UUTTCCCGG C) AATTCCCGG D) UUAAGGGCC E) TTAAGGGCC