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Biology > Chapter 24.1-24.2 Quiz > Flashcards

Chapter 24.1-24.2 Quiz Flashcards

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1
Q

What does DNA stand for?

A

Deoxyribonucleic Acid

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2
Q

Who were the two breakthrough biochemists for DNA?

A

James D. Watson & Francis H. C. Crick

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3
Q

What did discoveries in the 20th century reveal?

A

Genes consisting of segments of DNA in which genetic info is stored

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4
Q

Where is DNA located?

A

Nucleus

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5
Q

What protein composes the spools that DNA is wound around?

A

Histones

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6
Q

What is a spool with DNA wrapped around it?

A

Nucleosome

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7
Q

What is stored DNA?

A

Chromatin

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8
Q

What is similar to DNA but consists of only one strand?

A

RNA

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9
Q

What consists of a sugar molecule phosphate group and a nitrogen base?

A

Nucleotides

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10
Q

What is a two spiral structure of the DNA molecule?

A

Double Helix

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11
Q

What process ensures that only certain combinations of DNA bases will fit together?

A

Base Pairing

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12
Q

What are the four bases in DNA?

A

Guanine, Cystosine, Adenine, Thymine(RNA has uracil instead)

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13
Q

What is the process by which DNA is copied in a cell?

A

DNA Replication

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14
Q

What is produced in the nucleus and shipped to the cytoplasm?

A

Messenger RNA (MRNA)

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15
Q

What is the consecutive sequence of 3 nucleotides in the MRNA?

A

Codon

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16
Q

What is the most abundant type of RNA in the cell?

A

Ribosomal RNA (rRNA) Enzyme

17
Q

What brings aminoacids to ribosomes?

A

Transfer RNA (tRNA)

18
Q

What are topographical errors?

A

Mutations

19
Q

What career determines the anatomy and physiology of the cells?

A

Cell Biology

20
Q

What career determines the chemical processes of life?

A

Biochemistry

21
Q

What career uses knowledge of microbiology, cellular biology, molecular biology, and biochemistry to produce useful commercial products?

A

Biotechnology/Industrial Microbiology

22
Q

What is using DNA and genetics for man’s benefit?

A

Genetics

23
Q

What career uses knowledge of cellular biology, molecular biology, and biochemistry to design or produce medical treatments and medicines?

A

Pharmacology/Biomedical Research

Biology (1 decks)

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