Test 2

Question 0

Food

Answer 0

The chemical energy that organisms need.

Question 1

Energy

Answer 1

The ability to do work.

Question 2

Autotrophs

Answer 2

Organisms that make their own food.

Question 3

Photosynthesis

Answer 3

When Autotrophs use sunlight to make food

Question 4

Producers

Answer 4

Another word for autotrophs

Question 5

Heterotrophs

Answer 5

Living things that cannot make their own food.

Question 6

Consumers

Answer 6

Another word for heterotrophs

Question 7

Glucose.

Answer 7

A simple carb with the chemical formula C6 H12 O6.

Question 8

ATP

Answer 8

The energy carrying molecule that cells use for energy.

Question 9

Cellular respiration

Answer 9

The process in which glucose is broken down and ATP is made.

Question 10

What is the equation for photosynthesis.

Answer 10

6CO2 + 6H2O + light energy > C6H12O6 + 6O2

Question 11

What is Cell division

Answer 11

When the parent cell divides into two daughter cells

Question 12

Binary fission

Answer 12

When prokaryotic cells divide

Question 13

DNA replication

Answer 13

When the DNA is replaced just before the cell divides.

Question 14

Mitosis

Answer 14

A multiphase process when the nucleus divides

Question 15

The cell cycle

Answer 15

A repeating series of events that include growth, DNA replication and cell division.

Question 16

Interphase

Answer 16

Phases G1, S and G2

Question 17

Growth phase 1(G1)

Answer 17

When the cell grows rapidly

Question 18

Synthesis phase (S)

Answer 18

When the cells DNA is copied

Question 19

Growth phase 2 (G2)

Answer 19

The cell prepares to divide and makes proteins and organelles.

Question 20

Cancer

Answer 20

A disease that occurs when abnormal cells divide uncontrollably.

Question 21

Tumor

Answer 21

When cancer cells form a mass of abnormal cells

Question 22

Chromosomes

Answer 22

Coiled structures made of DNA and proteins.

Question 23

Chromatin

Answer 23

When DNA is not coiled into chromosomes

Question 24

Chromatids

Answer 24

DNA before cell division.

Question 25

Centromere

Answer 25

A region that the chromatids are attached to

Question 26

Genes

Answer 26

The genetic instructions inside a chromosome

Question 27

Homologous chromosomes.

Answer 27

Chromosomes in a pair

Question 28

What are the four phases of mitosis.

Answer 28

Prophase, metaphase, anaphase and telophase.

Question 29

Asexual reproduction.

Answer 29

Involves a singe parent. | Offspring are identical to each other and to parent.

Question 30

Sexual reproduction.

Answer 30

Involves two parents. | Offspring look similar but now identical

Question 31

Gametes.

Answer 31

Reproductive cells. Haploids

Question 32

Haploid.

Answer 32

Contains only half the chromosomes.

Question 33

Fertilization

Answer 33

When two gametes unite.

Question 34

Zygote

Answer 34

A fertilized cell. Diploid cell.

Question 35

Diploid

Answer 35

Twice the number of chromosomes.

Question 36

Meiosis.

Answer 36

Cell division when the number of chromosomes is reduced by half.

Question 37

Gametogenesis

Answer 37

The development of haploid cells into gametes.

Question 38

Crossing-over

Answer 38

The exchange of genetic material between non-sister chromatids.

Question 39

Independent assortment.

Answer 39

When homologous chromosomes are randomly distributed to daughter cells during meiosis.

Question 40

Life cycle.

Answer 40

The series of Events and life stages a organism goes through.

Question 41

Cytokinesis

Answer 41

The final stage of cell division. When the cytoplasm splits in two

Question 42

What are the three steps in binary fission.

Answer 42

1. DNA replication. 2. Chromosome segregation. 3. Cytokines.

Question 43

Chromosome segregation.

Answer 43

When DNA moves to opposite ends of the cell.

Question 44

Chromosomes are made of?

Answer 44

Chromatids.

Question 45

Prophase.

Answer 45

Chromatin condenses to form chromosomes and nuclear membrane breaks down.

Question 46

Metaphase.

Answer 46

Chromosomes line up in the middle of the cell.

Question 47

Anaphase.

Answer 47

Sister chromosomes split.

Question 48

Telophase.

Answer 48

The chromosomes unfold to form chromatid in the new cells.

Question 49

How is a zygote made.

Answer 49

When two gametes unite.

Question 50

Where in the cell does photosynthesis take place.

Answer 50

The chloroplasts.

Question 51

How Is cell division different in prokaryotes and eukaryotes.

Answer 51

It's harder in eukaryotes because they have a nucleus.

Question 52

Mitosis vs. meiosis.

Answer 52

``` Mitosis = when one cell divides into two cells both with an equal amount of chromosomes. Meiosis = one cell divides into four and all cells have half the amount of chromosomes. ```