Science Catechism 11-20 Flashcards
1
Q
What is a chromosome?
A
Chromosomes are coiled DNA that are in the nucleus
2
Q
What is a nucleus?
A
The control center of the cell
3
Q
What does mitochondria do?
A
Breaks down food and releaes energy
4
Q
What is endoplasmic reticulum?
A
The cell’s transportation system
5
Q
What do ribosomes do?
A
Make proteins
6
Q
What do cloroplasts contain?
A
Clorophyll
7
Q
What do plants use clorophyll for?
A
Plants use clorophyll to make food from sunlight
8
Q
How does the body reproduce cells?
A
Through cell division
9
Q
What is the first step in cell division?
A
Duplicate chromosomes in the nucleus
10
Q
What are 2 types of cell division?
A
Mitosis and meiosis