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BIOL 1001 Chapter : Chapter 11 Notes

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azuremammoth471

15 Mar 2019

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November 24, 2014: nucleic acids: information storage and transmission. Sugar: dioxiribose: nitrogenous base: guanine, adenine, cytosine, thymine. Sugar: ribose: nitrogenous base: guanine, adenine, cytosine, uracil. The sugar and phosphate groups (front and back cover of a book) form the nucleic acid. The important information is what is on the inside, the order of the bases (the pages in a book: nucleic acid backbone has directionality (3" versus 5") If dna were compared to a book, the sugar and phosphate groups would only be the binding of the book. The actual words, or genetic information would be contained in the nitrogenous bases: means it has beginning and an end (5 beginning, 3 end) Two strands are opposite directions (anti-parallel: 5 of one end is next to the 3 on the other strand: there are two families of nitrogenous bases: pyrimidine"s and purines. Pyrimidine"s: nitrogenous bases characterized by a six membered ring made up of carbon and nitrogen atoms.

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Related Questions

1. Translate the following mRNA strand: AUG ACG GGU AGA UGG UGA.

2. Transcribe the following strand of DNA: AGT CCA GTA

_____3. Which of the following is the building block that will be used to make a nucleic acid?

(a) amino acid (b) glucose (c) triglyceride (d) glycerol (e) nucleotide

_____4. Which of the following nitrogenous bases is NOT found in DNA?

(a) adenine (b) thymine (c) uracil (d) cytosine (e) guanine

_____5. Adenine will base pair with:

(a) thymine (b) adenine (c) cytosine (d) guanine

_____6. What is the name of the process that will copy DNA into RNA?

(a) transcription (b) translation (c) replication (d) mitosis

_____7. Using the genetic code in this lab, what does the codon CCU code for?

(a) met (b) stop (c) leu (d) pro (e) arg

The term replication refers to DNA's abilityto

a. attack bacteriaphages

b. make copies of itself

c. respond to X-ray photography

d. twist into a helix

Meselson and Stahl performed thedensity-gradient centrifugation of DNA in a solution of calciumchloride.

a. found in bacteria but not viruses.

b. found in proteins but not nucleic acids.

c. found in nucleic acid but notproteins.

d. found in viruses but not bacteria.

e. needed for bacteriophages to attach tobacteria.

Chargaff's rule state that in DNA, the amount ofadenine equals

a. the amount of cytosine

b. the amount guanine

c. the amount of thymine

d. the amount of guanine and thymine

Each complete turn of the DNA helix is howlong?

Griffin did an experiment in which live Rbacteria was changed by dead S bacteria. Such a change is anexample of

a. translocation

b. transformation

c. transduction

d. fertilization

One of Chargaff's rules state

a. A + T = G + C

b. A + G = T + C

c. A = G, T = C

d. A = C, T = G

The diameter of the DNA ladder is always

Which of the following is a purine base?

b. malomine

d. All of the above

According to the base pairing rules, guaninebinds with

Which of the following is a pyrimidinebase?

d. None of the answers

Each nucleotide in a DNA molecule is constructedof

a. a phosphate group, a five carbon sugar, and anitrogen base

b. a phosphate group, a six carbon sugar,and a nitrogen base

c. a phosphate group, a five carbon sugar, and aoxygen base

d. a sulfur group, a five carbon sugar molecule,and a nitrogen base

The term replication refers to DNA's abilityto

a. attack bacteriaphages

b. make copies of itself

c. respond to X-ray photography

d. twist into a helix

Meselson and Stahl performed thedensity-gradient centrifugation of DNA in a solution of calciumchloride.

a. found in bacteria but not viruses.

b. found in proteins but not nucleic acids.

c. found in nucleic acid but notproteins.

d. found in viruses but not bacteria.

e. needed for bacteriophages to attach tobacteria.

Chargaff's rule state that in DNA, the amount ofadenine equals

a. the amount of cytosine

b. the amount guanine

c. the amount of thymine

d. the amount of guanine and thymine

Each complete turn of the DNA helix is howlong?

Griffin did an experiment in which live Rbacteria was changed by dead S bacteria. Such a change is anexample of

a. translocation

b. transformation

c. transduction

d. fertilization

One of Chargaff's rules state

a. A + T = G + C

b. A + G = T + C

c. A = G, T = C

d. A = C, T = G

The diameter of the DNA ladder is always

Which of the following is a purine base?

b. malomine

d. All of the above

According to the base pairing rules, guaninebinds with

Which of the following is a pyrimidinebase?

d. None of the answers

Each nucleotide in a DNA molecule is constructedof

a. a phosphate group, a five carbon sugar, and anitrogen base

b. a phosphate group, a six carbon sugar,and a nitrogen base

c. a phosphate group, a five carbon sugar, and aoxygen base

d. a sulfur group, a five carbon sugar molecule,and a nitrogen base