Biology 2 Practice Exam

Front 1

The process that produces an exact copy of a cell's DNA is called

Back 1

Mitosis

Front 2

In mitosis, each daughter cell gets ___

Back 2

One copy of each chromosome

Front 3

Which of the following is NOT a phase of the cell cycle:

interphase

mitosis

cytoplasmic division

meiosis

Back 3

Meiosis

Front 4

Cells spend most of their time growing and functioning during

Back 4

Interphase

Front 5

DNA is duplicated during which portion of the cycle

Back 5

S

Front 6

A molecule of DNA that is in its condensed form is called a

Back 6

Chromosome

Front 7

Which process is a characteristic of sexual reproduction:

Meiosis

Mitosis

Cell division

DNA replication

Back 7

Meiosis

Front 8

Homologous chromosomes may exchange material during

Back 8

Meiosis

Front 9

Homologous chromosomes have

Back 9

Different versions of the same genes called alleles

Front 10

Homologous chromosomes are in ___, one from the father and one from the mother

Back 10

Pairs

Front 11

Chromatids are

Back 11

Duplicated chromosomes attached at the centromere

Front 12

Which process is a characteristic of asexual reproduction

Back 12

Mitosis

Front 13

A DNA molecule is made up of how many strands

Back 13

2

Front 14

Before messenger RNA is mature

Back 14

All introns are deleted

Front 15

Translocation is a transfer of genes between ___

Back 15

Non homologous chromosomes

Front 16

Replication of DNA produces

Back 16

Two molecules, each of which is half new and old DNA

Front 17

The RNA molecule is made up of how many strands

Back 17

One

Front 18

The nitrogenous base found in RNA but not DNA is

Back 18

Uracil

Front 19

The synthesis of an RNA molecule from a DNA template is

Back 19

Transcription

Front 20

Transcription starts at a region of DNA called a

Back 20

Promoter

Front 21

Mendel's experiments with peas showed that

Back 21

Observable traits are passed from generation to generation in predictable patterns

Front 22

A heterozygous parent Aa will produced gametes in what proportion

Back 22

Half A

Half a

Front 23

In Mendel's monohybrid crosses all the F1 generation shows the ___ trait

Back 23

Dominant

Front 24

In Mendel's monohybrid crosses each parrot breeds ___ for a ___ trait

Back 24

True

Single

Front 25

In Mendel's monohybrid crosses the F2 Generation shows the ___ trait in a ratio of _:_

Back 25

Dominant

3:1

Front 26

The F2 results of Mendel's monohybrid crosses led to his theory of

Back 26

Segregation

Front 27

If a heterozygous plant (Aa) self fertilizes, what are the possible genotypes in the F1 generation

Back 27

AA

Aa

aa

Front 28

And a dihybrid cross, two ___ are tracked

Back 28

Traits