Biology Exam

Question 1

1

Answer 1

The nucleus controls the functions of life.

Question 2

2

Answer 2

2. Chromosomes in the nucleus contain genes that store information to make proteins.

Question 3

3

Answer 3

A gene mutation is a change in the order of the bases: A, G, C, and T.

Question 4

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Answer 4

Mutations can occur E when dna is being made

Question 5

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Answer 5

There are three stages in the cell cycle interphase mitosis cytokines

Question 6

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Answer 6

There are four phases in mitosis pmat

Question 7

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Answer 7

Cancer is the result of uncontrolled cell division

Question 8

8

Answer 8

Mitosis is the basics of asexual reproduction

Question 9

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Answer 9

Asexual reproduction only needs one partner meaning that the offspring is indentical to the parent

Question 10

20

Answer 10

The early development of an organism takes place im a face called embryonic development

Question 11

10

Answer 11

Toes of asexual reproduction include
Vegetative reproduction, fragmentation and regeneration, budding, spores, binary fission

Question 12

11

Answer 12

Cloning methods can be used to save genetic information of endagered species

Question 13

12

Answer 13

Meiosis is the basics of sexual reproduction

Question 14

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Answer 14

Meiosis produces gamers which has half the smith of chromosomes as body cells

Question 15

14

Answer 15

In meiosis I homologises chromosomes line up at the equator and separate

Question 16

15

Answer 16

In meiosis II sister chromatids move to opposite poles of the cell

Question 17

16

Answer 17

Meiosis creates genetic diversity because genetic information is shuffled around in meiosis I

Question 18

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Answer 18

Chromosome mutations can occur during meiosis and can cause genetic disorder

Question 19

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Answer 19

The three stages of sexual reproduction are mating, fertilization, and development.

Question 20

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Answer 20

A sperm cell and an egg cell can meet through either internal or external fertilization.

Question 21

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Answer 21

Assisted reproductive technologies enable infertile couples to have children. These technologies have an impact on society. Ex. IVF

Question 22

What is asexual reproduction

Answer 22

A reproductive cycle that does not include sperm or egg

Question 23

What is sexual reproduction

Answer 23

A form of reproduction that requires sperm and egg

Question 24

What is a haploid

Answer 24

A cell with the half amount of chromosomes

Question 25

what is diploid

Answer 25

A cell with the full amount of chromosomes

Question 26

Stem cell

Answer 26

A cell that can grow into anyrhing

Question 27

Blastula

Answer 27

The sperm and egg at 1 week

Question 28

Ectoderm

Answer 28

Skin nervous system

Question 29

Mesoderm

Answer 29

Kinsey skeleton muscle blood cell

Question 30

Endoderm

Answer 30

Lining of digestive system

Question 31

Cancer

Answer 31

Its when a cell multiplies to much creating a Tumor

Question 32

Embryo

Answer 32

Organism in a early stage of development

Question 33

Internal fertilisation

Answer 33

It’s when the growing and the fertilisation happened in the body

Question 34

Genetic diversity

Answer 34

When the offspring is genetically different from the parent

Question 35

External fertilisation

Answer 35

It’s when the fertilising happened outside of the body. Usely in a egg

Question 36

Meiosis

Answer 36

Cell division that makes four daughter cells and eight parent cells

Question 37

Homologous chromosome

Answer 37

Two chromosomes in a pair

Question 38

Pistol

Answer 38

Sigma, style, pollen tube, ovary, ovule,

Question 39

Stamen

Answer 39

Anther, filament.

Question 40

E