Ch 1

Question 1

A stiff outer layer that …. cell

• surround
• protect
• give it shape

Answer 1

cell wall

Question 2

the cell control center it direct all the activities that take place in cell

Answer 2

nucleus

Question 3

Structure that carry an organism genetic information

Answer 3

chromosome

Question 4

the chemical that provides detail instruction for cell

Answer 4

DNA

Question 5

Specialize cell with similar structure and function

Answer 5

tissue

Question 6

Structure made up of at least 2 types of tissue that work together to perform a job in the body

Answer 6

organ

Question 7

A system that break down the food you eat into tiny particles

Answer 7

digestive system

Question 8

A system of breathing in oxygen and breath out carbondioxide

Answer 8

respiratory system

Question 9

When it happen an egg cell and a sperm unite to form a single cell

Answer 9

sexual reproduction

Question 10

Pieces of DNA that carry all the information passed from parenteir offspring

Answer 10

gene

Question 11

mitosis

Answer 11

Reproduction of body cell

Question 12

meiosis

Answer 12

Reproduction of reproductive cell

Question 13

dominant

Answer 13

strong

Question 14

recessive

Answer 14

weak

Question 15

Make the plant’s food (sugar) by the process of photosynthesis

Answer 15

cholorplast