quizzes exam 2

Question 1

T or F: Osmosis is the movement of water from an area of low water concentration to one of high water concentration

Answer 1

false

Question 2

If there is a high solute concentration outside of a cell water will move

Answer 2

out of the cell

Question 3

Sugar dissolves in water because it is

Answer 3

hydrophilic

Question 4

In Eukaryotes, Dna is found in the nucleus of the cell

Answer 4

true

Question 5

Replication

Answer 5

one molecules of Dna to two molecules of dna

Question 6

transcription

Answer 6

Dna to Rna

Question 7

translation

Answer 7

rna to protein

Question 8

transcription takes place inside the nucleus

Answer 8

true

Question 9

mitosis and cytokinesis are used for:

Answer 9

growth and repair

Question 10

the result of meiosis is haploid gametes

Answer 10

true

Question 11

Central Dogma

Answer 11

DNA-Transcription-MRNA-Translation-Protein

Question 12

T or F: Mitosis accounts for growth, repeat and replacement of somatic cells whereas Meiosis is the basis for sexual reproduction

Answer 12

T

Question 13

Is Meiosis chromosome number reduced or maintained?

Answer 13

reduced.

Question 14

Mitosis ____ are separated during Anaphase

Answer 14

sister chromatids

Question 15

Meiosis ____ are serrated during Anaphase I

Answer 15

Homologous chromosomes pair

Question 16

T or F: Chromosomes are replicated during G-1 Phase and consist of two identical sister chromatids held taught by their centromeres

Answer 16

False

Question 17

T or F: Cross over occurs during Metaphase II of mitosis and involves an equal exchange of genetic material between sister chromatids

Answer 17

false

Question 18

Genetic variability of Meiosis results in which stage

Answer 18

Metaphase II

Question 19

Is the zygote a haploid a or a diploid cell

Answer 19

diploid

Question 20

Which stage of Meiosis is known as a reduction division

Answer 20

Meiosis I