Unit 6, Science

Question 1

What organelle is responsible for making proteins?

Answer 1

ribosomes

Question 2

What organelle burns food to produce energy?

Answer 2

Mitochondria

Question 3

What is the difference between rough and smooth E.R.?

Answer 3

Rough E.R contains ribosomes

Question 4

What is the function of the cell membrane?

Answer 4

to control what enters and leaves the cell

Question 5

What happens at the very end of interphase to allow mitosis or meiosis to begin?

Answer 5

Chromosomes are duplicated

Question 6

What happens in telophase?

Answer 6

2 identical nuclei form

Question 7

How many cells are produced from one complete process of meiosis?

Answer 7

4

Question 8

What type of cells are made during meiosis?

Answer 8

haploid sex cells

Question 9

What type of reproduction involves making a clone of an organism?

Answer 9

asexual reproduction

Question 10

What do cells use mitosis for?

Answer 10

Cell growth, damage repair, and replace dead cells

Question 11

What is the correct order for the steps of mitosis?

Answer 11

PMAT ; Prophase, metaphase, anaphase, and telophase

Question 12

A plant has 50 chromosomes in its body cells. How many chromosomes will be in its sex cells?

Answer 12

25

Question 13

What does haploid mean?

Answer 13

cell has half the number of chromosomes

Question 14

What does diploid mean?

Answer 14

cell has the full number of chromosomes

Question 15

After a sperm and egg cell unite, what type of cell has been made?

Answer 15

zygote

Question 16

What type of asexual reproduction do bacteria use to reproduce?

Answer 16

fission

Question 17

Which of the following is a benefit for a species to use asexual reproduction?

Answer 17

It allows a large population to develop quickly.

Question 18

Which of the following is a negative aspect of asexual reproduction?

Answer 18

Clones can be killed in large numbers by the same event.

Question 19

What is a benefit for a species that uses sexual reproduction?

Answer 19

It breeds variety into the species and it makes species resistant to extinction

Question 20

What is a potential downside to sexual reproduction?

Answer 20

Requires 2 parents, some fertilization of egg cells are unsuccessful, and Populations develop more slowly than with asexual reproduction

Question 21

What is Interphase

Answer 21

• Longest part of the cell cycle, cell grows, replicates Dna, and prepares for mitosis

Question 22

Prophase

Answer 22

chromosomes become visible

Question 23

Metaphase

Answer 23

chromosomes line up in middle

Question 24

anaphase

Answer 24

Chromosomes tear apart

Question 25

Telophase

Answer 25

nucleus splits into 2 identical nuclei

Question 26

What is mitosis

Answer 26

Process used to produce sex cells

Question 27

How many cells are produced in meiosis

Answer 27

4 new cells

Question 28

How many chromosomes are in each cell at the end of meiosis?

Answer 28

23 chromosomes because you start with 46

Question 29

Are the new cells haploid or diploid in meiosis

Answer 29

Haploid

Question 30

What are the daughter cells used for?

Answer 30

Sexaul reproduction

Question 31

What is asexual reproduction?

Answer 31

Process that produces a new organism from one parent

Question 32

How many parents are used during asexual reproduction?

Answer 32

One

Question 33

What organism is used during Asexual Reproduction

Answer 33

Plants

Question 34

What process is needed during Asexual Reproduction

Answer 34

Mitosis

Question 35

How do the offsprings compare to the parent in asexual reproduction?

Answer 35

Identical

Question 36

What are the advantages of asexual reproduction

Answer 36

Its quick, only requires one parent

Question 37

What are the disadvantages of Asexual reproduction?

Answer 37

Genetically identical

Question 38

What is sexual reproduction

Answer 38

Process that requires two parents to reproduce something new

Question 39

How many parents does sexual reproduction need

Answer 39

2

Question 40

What organisms are used in sexual reproduction

Answer 40

Liger, zedonk, or a mule

Question 41

What process is needed during Sexaul reproduction

Answer 41

Meiosis

Question 42

How do the offsprings compare to the parents in sexual reproduction

Answer 42

Variety of species

Question 43

What are the advantages of sexual reproduction?

Answer 43

Genetically different

Question 44

What are disadvantage of sexual reproduction

Answer 44

Takes a long time

Question 45

rough endoplasmic reticulum

Answer 45

assembles and packages protein (contains ribosomes) ; maze w/ dots

Question 46

Ribosomes

Answer 46

where proteins are made according to DNA in nucleus (found on ER) ; assembles amino acids , small dots

Question 47

Cell membrane

Answer 47

selectively allows materials in and out of cell ; outer cell

Question 48

golgi apparatus

Answer 48

sorts and transplants materials out of cells (layered circles) ; receives from er

Question 49

centrioles

Answer 49

pulls chromosomes apart during mitosis ; small churros

Question 50

Smooth endoplasmic reticulum

Answer 50

no ribosomes

Question 51

nucleus

Answer 51

control center of cell that directs activity; egg white (contains DNA)

Question 52

nucleolus

Answer 52

makes ribsomes inside nucleus ; egg yolk

Question 53

mitochondria

Answer 53

breaks down food to produce energy ; potatoe

Question 54

Lysome

Answer 54

waste break down and removal ; medium dot

Question 55

vacuole

Answer 55

water storage ; lake (small in animal cell, big in plant cell)

Question 56

cell wall

Answer 56

gives extra support (plants only)

Question 57

cytoplasm

Answer 57

gel like fluid that flows in jell like fluid

Question 58

Chloroplast

Answer 58

contains chlorophyll for photosynthesis, (captures energy from sun)

Question 59

chromatin

Answer 59

tiny strands inside nucleus that contains in structure

Question 60

What is 90% of a cells life cycle?

Answer 60

Interphase

Question 61

What is 10% of a cells life cycle?

Answer 61

Mitosis