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BIO > Chapter 3 Pt 2 > Flashcards

Chapter 3 Pt 2 Flashcards

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Biology 101 flashcards
1
Q

Translation occurs on

A

A ribosome

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2
Q

A cytosine nucleotide in a DNA strand would pair with a ____ RNA nucleotide

A

Guanine

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3
Q

A thymine nucleotide on a DNA strand would pair with an _____ RNA nucleotide

A

Adenine

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4
Q

tRNA molecules being specific amino acids to match the codons in mRNA during…

A

Translation

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5
Q

Transcription occurs in

A

The nucleus

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6
Q

mRNA is

A

A copy of the DNA

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7
Q

Every tRNA molecule contains an _____ and is temporarily bound to a specific____.

A

Anticodon; amino acid

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8
Q

Groups of 3 mRNA nucleotides that code for a specific amino acid are called

A

Codons

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9
Q

mRNA is created in a process called

A

Transcription

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10
Q

rRNA is part of

A

The structure of a ribosome

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11
Q

Each triplet in DNA codes for a specific…

A

Amino acid

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12
Q

An adenine nucleotide on a DNA strand would pair with a _____ RNA nucleotide

A

Uracil

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13
Q

tRNA is used to bring…

A

The amino acid to the ribosome

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14
Q

Amino acids are bound together in a specific sequence during…

A

Translation

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15
Q

A _____ carries the info needed to build a specific protein

A

Gene

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16
Q

During _____ RNA molecules are paired with the exposed DNA nucleotides to form a strand of mRNA

A

Transcription

17
Q

The physical separation of one cell into two daughter cells

A

Cytokinesis

18
Q

Cells spend most of their life cycle carrying out normal functions in

A

Interphase

19
Q

The enzyme that adds nucleotides during DNA replication is called

A

DNA polymerase

20
Q

The controlled death of a cell is known as

A

Apoptosis

21
Q

During _____ the complimentary strand separate and new nucleotides are paired with the exposed original nucleotides

A

DNA replication

22
Q

DNA replication is preparation for cellular division occurs during

A

Interphase

23
Q

Cytokinesis begins during _____ and finishes during _____

A

Anaphase; telophase

24
Q

Correct order of the stages of mitosis

A

Prophase…. Metaphase…. Anaphase…. Telophase

25
Q

During ____ DNA condenses into chromosomes, the nuclear membrane dissolves, and the spindle apparatus forms

A

Prophase

26
Q

During _____ DNA is found as a chromatin surrounded by the nuclear envelope

A

Interphase

27
Q

During _____ the nuclear membrane reforms, chromosomes loosen to form chromatin, and the spindle apparatus is dismantled

A

Telophase

28
Q

During ____the spindle apparatus lines the chromosomes up along the middle of the cell

A

Metaphase

29
Q

The transformation of a human from one to several trillion cells required the process of

A

Mitosis

30
Q

During _____ the chromatids of each chromosome are pulled towards opposite poles of the cell

A

Anaphase

31
Q

A characteristic of malignant tumors is their ability to

A

Metastasize

32
Q

Cancer is caused by changes to DNA called

A

Mutations

33
Q

Cancers are more common in epithelial tissue than connective tissue because epithelial cells…

A

Divide more

34
Q

A tumor that continues to grow but does not spread or affect normal body function is called

A

Benign

35
Q

Uncontrolled cell growth and division is a characteristic of

A

Cancer

BIO (15 decks)

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