Science CTA

Question 1

Who was the first person to discover cells?

Answer 1

Robert Hooke

Question 2

List levels of organization from least to most complex in multicellular organisms (Give an example of each)

Answer 2

Cell (cardiac cell) } tissue (cardiac tissue) } organ (heart) } organ system (cardiovascular) } organism (human)

Question 3

Describe Prokaryotic Cells

Answer 3

Single celled, bacteria, amoebas, DNA in cytoplasm, no membrane- bound organisms

Question 4

Describe eukaryotic cells

Answer 4

Multicellular, plant and animal, DNA in nucleus, membrane bound organelles

Question 5

How are Prokaryotic and Eukaryotic Cells similar?

Answer 5

They are both cells

Question 6

In a microscope, what two structures would clearly identify the cell you are looking at as either plant or animal?

Answer 6

Plant - large vacuole, cell wall
Animal - nucleus, cell membrane

Question 7

What structure does the eukaryotic cell have that identifies them immediately as a eukaryotic cell? What does this structure do for the cell?

Answer 7

Nucleus - control center of the cell and controls all the activities of the cell.

Question 8

List three types of asexual reproduction and give an example of each.

Answer 8

Budding - Hydra
Fragmentation - Starfish
Vegetative Propagation - Onions, potatoes

Question 9

How many parents are needed for Mitosis?

Answer 9

1

Question 10

How many daughter cells in Mitosis?

Answer 10

2

Question 11

Are daughter cells identical or different from the parent in Mitosis?

Answer 11

identical

Question 12

How many times does the nucleus divide in mitosis?

Answer 12

1

Question 13

Mitosis has what cell type?

Answer 13

body cell

Question 14

Mitosis is diploid or haploid?

Answer 14

diploid

Question 15

Number of mitosis chromosomes for humans?

Answer 15

46

Question 16

How many parent cells are involved in meiosis?

Answer 16

2

Question 17

How many daughter cells in meiosis?

Answer 17

4

Question 18

Are daughter cells identical or different from the parent in meiosis?

Answer 18

different

Question 19

How many times does the nucleus divide in meiosis?

Answer 19

2

Question 20

Meiosis has what cell type?

Answer 20

sex cell

Question 21

Meiosis is diploid or haploid?

Answer 21

haploid

Question 22

Number of meiosis chromosomes for humans?

Answer 22

23 (half mom and half dad)

Question 23

What are the four stages of Mitosis?

Answer 23

PMAT (Prophase, Metaphase, Anaphase, and Telephase)

Question 24

What is the interphase?

Answer 24

Period of growth and development, longest phase

Question 25

What 3 events happen in the interphase?

Answer 25

Cell prepares to replicate, DNA duplicates, and ?

Question 26

If a homozygous dominant tall plant (TT) is crossed with a heterozygous tall plant (Tf), what will be the probability of having an offspring who is tall?

Answer 26

TT and Tt (TT, TT, Tt, and Tt) Genotype (what's in box) 2TT, 2 Tt Phenotype (what it looks like) 100% Tall

Question 27

If two heterozygous brown mice are crossed, what is the probability of having a tan mouse if tan is the recessive color?

Answer 27

Bb and Bb (BB, Bb, Bb, and bb) G = 1BB, 2 Bb, 1bb P = 75% Brown, 25% tan

Question 28

If a homozygous red flower is crossed with a homozygous pink flower, what would be the possible genotypes and phenotypes of the offspring? (Red is the dominant color).

Answer 28

G = 4Rr P = 100% red

Question 29

What is the complimentary strand to the following section of DNA? A-T-A-G-G-G-T-C-C-C-A-A

Answer 29

T-A-T-C-C-C-A-G-G-G-T-T

Question 30

What is the complimentary strand to the following section of DNA? G-G-G-T-T-A-A-C-C-T-T-A

Answer 30

C-C-C-A-A-T-T-G-G-A-A-T

Question 31

What is the complimentary strand to the following section of DNA? G-G-T-A-T-A-T-A-C-C-C-A

Answer 31

C-C-A-T-T-A-T-G-G-G-T

Question 32

What is the complimentary strand to the following section of DNA? T-T-A-A-T-T-C-C-C-G-G-G

Answer 32

A-A-T-T-A-A-G-G-G-C-C-C