October Bio 1201 DNA Start

In the accompanying image, a nucleotide is indicated by the letter _____.

Which of these is a difference between a DNA and an RNA molecule?

This is an image of a(n) _____. http://session.masteringbiology.com/problemAsset/1100552/3/1608q.jpg

The letter A indicates a _____. http://session.masteringbiology.com/problemAsset/1100552/3/1608q.jpg

A nitrogenous base is indicated by the letter _____. http://session.masteringbiology.com/problemAsset/1100552/3/1608q.jpg

You can tell that this is an image of a DNA nucleotide and not an RNA nucleotide because you see a ____ http://session.masteringbiology.com/problemAsset/1100552/3/1608q.jpg

Which of these nitrogenous bases is found in DNA but not in RNA?

Pyrimidines:

In a nucleotide, the nitrogenous base is attached to the sugar's _____ carbon and the phosphate group is attached to the sugar's _____ carbon.

Nucleic acids are assembled in the _____ direction.

In a DNA double helix an adenine of one strand always pairs with a(n) _____ of the complementary strand, and a guanine of one strand always pairs with a(n) _____ of the complementary strand.

After DNA replication is completed, _____.

The first step in the replication of DNA is catalyzed by _____.

The action of helicase creates ____.

Why is the new DNA strand complementary to the 3' to 5' strands assembled in short segments?

The synthesis of a new strand begins with the synthesis of a(n) _____.

An old DNA strand is used as a _____ for the assembly of a new DNA strand.

Which of the following is/are inputs required for photosynthesis?

The Calvin Cycle occurs in the

Calvin Cycle Input

Non-cyclic photophosphorylation produces (outputs)?

A researcher isolates a chloroplast and decreases the pH inside the individual thylakoids. Assuming that there is abundant light energy and CO2 and that there are no other changes to this chloroplast indicate whether the following statement if True or False. This chloroplast will produce more G3P or glucose than a control chloroplast under the same light and CO2 conditions

Based on the previous question indicate whether the following statement is True or False. The experimental chloroplast will produce more ATP than the control chloroplast.

Based on the preceding two questions indicate whether the following statement is True or False. If the researcher also increased the concentration of NADPH +H+ in the stroma of the experimental chloroplast, but not the control, the experimental chloroplast would produce more G3P or glucose.

What catalyzes DNA synthesis?

Keep Going

Which of the following statements about DNA synthesis is true?

Which part of a deoxynucleoside triphosphate (dNTP) molecule provides the energy for DNA synthesis?

Which of the following enzymes creates a primer for DNA polymerase?

Which of the following statements about Okazaki fragments in E. coli is true?

Which of the following enzymes is important for relieving the tension in a helix as it unwinds during DNA synthesis?

True or false? Single-stranded DNA molecules are said to be antiparallel when they are lined up next to each other but oriented in opposite directions.

What is the process called that converts the genetic information stored in DNA to an RNA copy?

DNA does not store the information to synthesize which of the following?

Transcription begins at a promoter. What is a promoter?

Which of the following statements best describes the promoter of a protein-coding gene?

Promoter

What determines which base is to be added to an RNA strand during transcription?

Which of the following terms best describes the relationship between the newly synthesized RNA molecule and the DNA template strand?

What happens to RNA polymerase II after it has completed transcription of a gene?

During RNA processing a(n) _____ is added to the 5' end of the RNA.

During RNA processing a(n) _____ is added to the 3' end of the RNA.

Spliceosomes are composed of _____.

The RNA segments joined to one another by spliceosomes are _____.

Translation occurs in the _____.

In the diagram below, the gray unit represents _____. http://session.masteringbiology.com/problemAsset/1100612/4/Part_ABC.jpg

In the diagram below, the green unit represents _____. http://session.masteringbiology.com/problemAsset/1100612/4/Part_ABC.jpg

In the diagram below, the two blue strands represent _____. http://session.masteringbiology.com/problemAsset/1100612/4/Part_ABC.jpg

Which of these correctly illustrates the pairing of DNA and RNA nucleotides?

The direction of synthesis of an RNA transcript is _____.

What enzyme catalyzes the attachment of an amino acid to tRNA?

The tRNA anticodon, GAC, is complementary to the mRNA codon with the sequence _____.

The initiator tRNA attaches at the ribosome's _____ site.

True or false? A codon is a group of three bases that can specify more than one amino acid

True or false? A knock-out mutation results in a total absence of the mutated protein.

If a DNA sequence is altered from TAGCTGA to TAGTGA, what kind of mutation has occurred?

Which mutation(s) would not change the remainder of the reading frame of a gene sequence that follows the mutation(s)?

If the sequence ATGCATGTCAATTGA were mutated such that a base were inserted after the first G and the third T were deleted, how many amino acids would be changed in the mutant protein?

If a mutated DNA sequence produces a protein that differs in one central amino acid from the normal protein, which of the following kinds of mutations could have occurred?

The backbone of a DNA strand is composed of

In DNA which nitrogenous base would pair with cytosine?

Hydrogen bonds must be broken during the process of DNA replication. These bonds occur between?

During DNA replication the enzyme responsible for making the DNA strand is:

During transcription the mRNA strand is produced anti-parallel to the template DNA strand.

Transcribe the DNA sequence shown below. 5' TTAAGGCC

During the editing of the initial transcript in a eukaryote what is removed from the sequence?

In eukaryotes the mRNA must be processed prior to translation. Where does this mRNA processing occur?

A mRNA molecule contains 246 nucleotides, what is the maximum number of amino acids in the polypeptide translated from this mRNA?