Science

Question 1

What are the reasons that cell divide / What are the three functions of cell division?

Answer 1

Cells divide to replace old dead cells and the three functions are grow, repair, replace.

Question 2

what occurs in each step in the cells cycle

Answer 2

INTERPHASE: when the cell grows and doubles its contents. PROPHASE: DNA condenses into chromosomes and the nuclear membrane begins to break down. METAPHASE: chromosomes line up in the center of the cell. ANAPHASE Filters to centrols pull chromosomes apart.TELOPHASE: opposite ends of cell and new nuclear membrane form. CYTOKINESIS: cytoplasm pinches in

Question 3

Identify the steps of cell division by diagrams.

Answer 3

PMAT

Question 4

What happens to organisms that are unable to divide?

Answer 4

they die

Question 5

Label two chemical reactions as either photosynthesis or cellular respiration.

Answer 5

6CO2+ 6H2O———C6H12O6+ sunlight is photosynthesis and the other way around is cellular respiration

Question 6

Where do the raw materials for cellular respiration and photosynthesis come from?

Answer 6

they come from each other

Question 7

How is lactic acid fermentation different than cellular respiration?

Answer 7

laf has no oxygen and cr needs oxygen