eukaryotic cell structure

Question 1

what does the nucleus do?

Answer 1

control center, contains DNA, directs all cellular activity

Question 2

nuclear envelope?

Answer 2

two membranes surrounding nucleus, is porus

Question 3

what is porus?

Answer 3

certain materials can pass through

Question 4

chromatin

Answer 4

genetic info, jumbled mass of DNA and protein, condensed into chromosomes during division

Question 5

nucleolus

Answer 5

where ribosomes are made

Question 6

cytoplasm

Answer 6

area between nucleus and cell membrane, suspends organisms, many metabolic reactions take place

Question 7

ribosomes

Answer 7

make proteins

Question 8

endoplasmic reticulum (ER)

Answer 8

synthesizes materials inside cells and had two types: smooth and rough

Question 9

Golgi apparatus

Answer 9

packages substances into vehicles and sends to the proper place

Question 10

lysosomes

Answer 10

contain enzymes for cellular digestion

Question 11

vacuole

Answer 11

stores water, proteins and carbs

Question 12

mitochondria

Answer 12

power station, converts food to energy

Question 13

chloroplast

Answer 13

traps Suns energy and concerts it into chemical energy during photosynthesis

Question 14

centriole

Answer 14

aid in cell division

Question 15

cell membrane

Answer 15

regulates what enters and leaves a cell and is selectively permeable

Question 16

cell wall

Answer 16

outside cell membrane, protects and supports cell, porus

Question 17

cilia

Answer 17

short hair-like projections, used for movement

Question 18

flagella

Answer 18

tail-like structure, whips back and fourth, one or two can be present

Question 19

what is an organelle?

Answer 19

membrane-bound structure inside eukaryotic cells that has a specific function