Cell Division

Question 1

What is the smallest unit of life?

Answer 1

Cell

Question 2

What is the biggest organelle of a eukaryotic cell?

Answer 2

A nucleus

Question 3

What is found in the nucleus?

Answer 3

DNA

Question 4

What is DNA and what does it stand for?

Answer 4

DNA contains genetic material and it stands for DEOXY RIBO NUCLEUS ACID

Question 5

What does DNA look like inside a nucleus?

Answer 5

DNA looks like a double stranded ladder and jumbles up like a ball of yarn

Question 6

What is the genetic material?

Answer 6

Genetic material are genes or traits that can be passed on from parents to offspring

Question 7

How does DNA grow and develop and reproduce?

Answer 7

DNA reproduce through stage called INTER PHASE AND MITOSIS

Question 8

What happens during INTER PHASE?

Answer 8

INTER PHASE is when DNA develops and goes through replication

Question 9

What does REPLICATION mean?

Answer 9

A copy or duplicate

Question 10

What happens during REPLICATION?

Answer 10

DNA replication itself and wrap up tightly and neatly into Chromatid

Question 11

What is a Chromatid?

Answer 11

A DNA that is neatly wrap up (TWO CHROMATIN/singular: Chromatids)

Question 12

What is a CHROMOSOME?

Answer 12

When DNA wraps around a protein, it is called a chromosome

Question 13

How many Chromosomes do humans have?

Answer 13

Humans Have 46 Chromosomes

Question 14

How many Chromosomes does each parent pass on to their offspring?

Answer 14

23 Chromosomes from each parent

Question 15

Each segment of DNA is known as what?

Answer 15

GENE

Question 16

What does a gene contain?

Answer 16

genetic traits

Question 17

What happens during MITOSIS?

Answer 17

During Mitosis, Chromosomes go through 5 phases

Question 18

What are the 5 phases of mitosis?

Answer 18

Ph 1: PRO PHASE; Ph 2: META PHASE; Ph 3: ANA PHASE; Ph 4: TELO PHASE; Ph 5: Cytokineses

Question 19

What happens during each Phase? PHASE 1:

Answer 19

PRO PHASE- chromosomes appear

Question 20

What happens during each phase? PHASE 2:

Answer 20

META PHASE-chromosomes appear

Question 21

What happens during each phase? PHASE 3:

Answer 21

ANA-PHASE-Chromosomes separated

Question 22

What happens during each phase? PHASE 4:

Answer 22

TELO-PHASE-chromosomes pinch

Question 23

What happens during each phase? PHASE 5:

Answer 23

Cytokines- two new daughter cell form

Question 24

How many Chromosomes do human sex cells have?

Answer 24

23 Chromosomes in each sex cells (egg or sperm)

Question 25

How many Chromosomes do human body cells have?

Answer 25

46 Chromosomes in each cells

Question 26

What do you call a cell with a HALF set of Chromosomes (46)?

Answer 26

A DIPLOID cell

Question 27

What do you call a cell with a HALF set of chromosomes (23)?

Answer 27

A HAPLOID cell

Question 28

Do bacteria cells go through mitosis like eukaryotic cells?

Answer 28

No, bacteria do not have nucleus

Question 29

How do bacteria cells divide?

Answer 29

Bacteria cells split in half called BINARY FISSION

Question 30

What is the name of the DNA backbone called?

Answer 30

Our body cells divide to replace dead cells, to grow, to develop

Question 31

What is the name of the DNA backbone called?

Answer 31

Sugar phosphate

Question 32

Name all 4 of the DNA bases

Answer 32

Guanine; Cytosine; Thymine; Adenine

Question 33

What DNA base pairs with Thymine? and Guanine?

Answer 33

Guanine = Cytosine Thymine = Adenine