Quiz 1 Flashcards

1
Q

What is considered alive

A

Extract energy, reproduction, one or more cells

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2
Q

Virus

A

Few genes surrounded by a coat of protein

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3
Q

Hypothesis

A

An idea about how things work

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4
Q

Prediction

A

Result that should be observed, if the hypothesis is correct

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5
Q

Evolution

A

Ecological process changes the genetic makeup of a population

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6
Q

Adaptation

A

Members of a population become better able to deal with the environment

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7
Q

Natural selection

A

Process with no forethought

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8
Q

DNA

A

Contains all of the information necessary to produce an organism

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9
Q

What is a gene

A

Basic unit of heredity
A sequence of base pairs on a dna molecule
Provides the info necessary to produce a specific protein

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10
Q

Genome

A

All the dna in a cell

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11
Q

Protein

A

Forms an organism

Regulate chemical reaction

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12
Q

mRNA

A

Contains info in the gene

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13
Q

Mutation

A

Permanent change in a cells DNA
Often an error in DNA replication
May lead to altered proteins

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14
Q

Haploid organisms

A

1 copy of each chromosome

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15
Q

Diploid

A

2 copies of each chromosome

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16
Q

Allele

A

Distinct version of a particular gene