363 Connect Ch 9 Quiz

Match the terms below with the form of DNA that they describe. 1. 10 bp per turn 2. 12 bp per turn 3. left hand helix 4. centrally located bases 5. occurs under normal conditions 6. occurs in G/C rich sequences

1 - B DNA 2 - Z DNA 3 - Z DNA 4 - B DNA 5 - B DNA 6 - Z DNA

Match each term with the appropriate nucleic acid(s). Choices: DNA, RNA, and/or DNA and RNA 1. uracil 2. adenine 3. guanine 4. cytosine 5. thymine 6. deoxyribose 7. ribose 8. 5' to 3' directionality 9. typically single stranded 10. typically double stranded

1 - RNA 2 - RNA and DNA 3 - RNA and DNA 4 - RNA and DNA 5 - DNA 6 - DNA 7 - RNA 8 - RNA and DNA 9 - RNA 10 - DNA

Place the levels of DNA complexity in order from simplest to most complex. Three-dimensional structure Double helix Strand of DNA Nucleotides

1 - nucleotides 2 - strand of DNA 3 - double helix 4 - three dimensional structure

A piece of double-stranded DNA has 100 base pairs. How many complete turns can this double helix make? 1 complete turn 10 complete turns 34 complete turns 3 complete turns

10 complete turns

Which order of atoms correctly describes the backbone of a DNA strand? 5'C-O-P-O-3'H 3'C-P-O-P-5'C 3'C-O-P-O-5'C 4'C-3'C-P-O-5'C

3'C-O-P-O-5'C

A piece of double-stranded DNA has 100 base pairs. What is the length of the piece of DNA? 1 nm 10 nm 34 nm 3.4 nm

3.4nm

Select the strand of DNA that could be a third strand in triplex DNA. 5'-GAGGGAAAGGGAAGGAAGGA-3' 5'-CTCCCTTTCCCTTCCTTCCT-3' 5'-CACCGAATGGCATGCATGGA-3' 5'-GTGGCTTACCGTACGTACCT-3'

5'-CTCCCTTTCCCTTCCTTCCT-3'

Which of the following DNA molecules is the most stable? 5'-GCGTGCAC-3' 3'-CGCACGTG-5' 5'-AGTCGAAT-3' 3'-TCAGCTTA-5' 5'-GGATCCTG-3' 3'-CCTAGGAC-5' 5'-CTGCATAC-3' 3'-GACGTATG-5' 5'-GAAATTTC-3' 3'-CTTTAAAG-5'

5'-GCGTGCAC-3' 3'-CGCACGTG-5'

What did Watson and Crick propose? That they discovered DNA. A three dimensional structure for RNA. A three dimensional structure for DNA. That DNA is the genetic material.

A three dimensional structure for DNA.

What is Chargaff's rule? A=G, C=T A=C=T=G A=C, G=T A=T, C=G

A=T, C=G

Which nucleotides have a double ring structure? Cytosine and guanine Uracil and thymine Adenine and thymine Adenine and guanine

Adenine and guanine

Used Pneumococcus strains and protease, DNase, and RNase to demonstrate DNA was the transforming factor. Chargaff and Pauling Incorrect Avery, Macleod, and McCarty Griffith Hershey and Chase

Avery, Macleod, and McCarty

Rosalind Franklin used X-Ray diffraction to study wet DNA. Her data were used by James Watson and Francis Crick to determine the structure of DNA. What did her data suggest about the structure of DNA? Adenine forms hydrogen bonds with thymine and guanine forms hydrogen bonds with cytosine. The amount of A is equal to the amount of T and the amount of C is equal to the amount of G. DNA is a helical structure that is not a single strand and consists of about 10 base pairs per complete turn. DNA is a single strand.

DNA is a helical structure that is not a single strand and consists of about 10 base pairs per complete turn.

Hershey and Chase labeled the phage proteins with radioactive sulfur and the phage RNA with radioactive phosphorus. T/F?

False

In the experiment by Avery, Macleod, and McCarty, protease destroyed the transforming factor. T/F?

False

In the experiment by Avery, Macleod, and McCarty, the DNase treated sample was able to transform the R strain into the S strain. T/F?

False

Used Pneumococcus strains and mice to demonstrate there is a "transforming factor" that could change R bacteria into S bacteria. Griffith Hershey and Chase Avery, Macleod, and McCarty Chargaff and Pauling

Griffith

Used bacteriophage and E. coli to demonstrate DNA was the genetic material injected by the bacteriophage into E. coli and used to code for new phages. Avery, Macleod, and McCarty Hershey and Chase Chargaff and Pauling Griffith

Hershey and Chase

5' CCTTACGAATGATC 3'

If one DNA strand is 5' GATCATTCGTAAGG 3', what is the sequence of the complementary strand? 5' CCUUACGAAUGAUC 3' 5' CTAGTAAGCATTCC 3' 5' CUAGUAAGCAUUCC 3' 5' CCTTACGAATGATC 3'

What aspect of the sugar is unique to RNA? It contains a double ring base. It contains a pentose sugar. Incorrect It contains an OH group on the number 2' carbon of the pentose sugar. It can form a 3' phosphodiester linkage.

It contains an OH group on the number 2' carbon of the pentose sugar.

Who was awarded the 1962 Nobel prize for the discovery of the three-dimensional structure of DNA? - Rosalind Franklin - James Watson, Francis Crick, and Maurice Wilkins - Linus Pauling - James Watson and Francis Crick - James Watson, Francis Crick, Rosalind Franklin and Maurice Wilkins

James Watson, Francis Crick, and Maurice Wilkins

Two hydrogen bonds between the A:T base pairs and three between the G:C base pairs.

Look at the figure. How many hydrogen bonds are between the G:C base pairs and the A:T base pairs? -Two hydrogen bonds between the A:T base pairs and three between the G:C base pairs. -Two hydrogen bonds between the G:C base pairs and three between the A:T base pairs. -One hydrogen bond between both G:C and A:T base pairs. -Two hydrogen bonds between both G:C and A:T base pairs.

The base composition of an RNA virus was analyzed and found to be 17% A, 33% U, 19% G, and 31% C. Do you think the viral genetic material is single-stranded RNA or double-stranded RNA? Single-stranded Double-stranded There is no way to tell

Single-stranded

A single strand of RNA with sequence 5'-UGAAUUGCAUCGGCAAUUGG-3' has the potential to form which structure? Stem loop Internal loop Bulge loop Multi-branched loop

Stem loop

What are the structural features of a nucleoside? Phosphate-phosphate-sugar-base Sugar-base Phosphate-phosphate-phosphate-sugar-base Phosphate-sugar-base

Sugar-base

What is the structural difference between the sugar found in RNA and the sugar found in DNA? The presence of a 5' hydroxyl. The presence of a 3' hydroxyl. The presence of a 2' hydroxyl. The presence of a ring oxygen.

The presence of a 2' hydroxyl.

In a strand of RNA, which base is not found covalently linked to a ribose sugar? Thymine Guanine Cytosine Adenine

Thymine

A male cat and a female cat produce a litter of kittens. Which criteria of genetic material is represented? Information Replication Transmission Variation

Transmission

Asymmetrical spacing of the backbones of the DNA double helix generates major and minor grooves. T/F?

True

Doubled-stranded DNA consists of two antiparallel strands, meaning that one strand is oriented in the 5' to 3' direction, while the other is oriented in the 3' to 5' direction. T/F?

True

In the experiment by Hershey and Chase, the bacteriophage injected their DNA into the E. coli cells. T/F?

True

90% AT, 10% GC.

Which double-stranded sequence would separate into two single-stranded pieces at the lowest temperature? Hint: hydrogen bonds are involved. A piece of DNA that is 50% AT, 50% GC. 10% AT, 90% GC. 90% AT, 10% GC. 60% AT, 40% GC.

The bases ______ and _______ are purines, while ______ , ______, and ______ are pyrimidines. guanine, thymine; adenine, cytosine, uracil cytosine, uracil; adenine, thymine, guanine uracil, guanine; cytosine, adenine, thymine adenine, guanine; thymine, uracil, cytosine

adenine, guanine; thymine, uracil, cytosine

DNA and RNA are known as amino acids. lipids. proteins. nucleic acids.

nucleic acids.

The correct structure of DNA components can be presented as phosphate-sugar-phosphate-base. base-phosphate-sugar. base-sugar-phosphate-base. phosphate-sugar-base. phosphate-base-sugar.

phosphate-sugar-base