ANSWERS | WITH COMPLETE SOLUTION!!
Which of the following is formed on the lagging strand during DNA synthesis?
Answer - Okazaki fragments
An example of correct nucleotide pairing is Answer - AT or GC
The two strands of the DNA double helix are held together by Answer -
Hydrogen bonds between nucleotide bases
DNA replication is started with a(n) ________, which, in most cases, in vivo is a
short stretch of _________ Answer - Primer/RNA
tRNA is released from the ribosome at the _______ site Answer - E
The codon on the _________ matches with the anticodon on the _________ to
direct the addition of the correct amino acid the growing polypeptide chain
Answer - mRNA/tRNA
The structure and function of a protein are determined by its _____ sequence
Answer - Amino acid
GTA provides energy for Answer - Translation
, Dna-binding proteins interact predominantly within which portion of a double-
stranded DNA helix? Answer - Major groove
In the process of transcription, promoters are specific sequences of ______
that are recognized by _________. Answer - Dna/sigma factors
Transfer RNA (tRNA) molecules Answer - Function to transfer the correct
amino acids to the ribosome during translation
An operon is a useful genetic element, because it Answer - Allows coordinated
expression of multiple related genes in prokaryotes
The flow of biological information begins with Answer - DNA replication
Each adenin-thymine base pair has ____ hydrogen bonds, while each guanine-
cytosine base pair has _____ hydrogen bonds Answer - Two/three
In Bacteria, a chromosome can be distinguished from a plasmid, because a
chromosome is a genetic element that Answer - Encodes for essential
functional genes
When arginine is added to a culture already growing exponentially in a medium
without arginine, what occurs? Answer - Growth continues, but the production
of enzymes required for the synthesis of arginine ceases
Which type of regulator(s) specifically binds to operator regions of DNA?
Answer - repressors