animal cells

Question 1

define structure of animal cell (2)

Answer 1

about 10 - 30 micrometers
variable shape

Question 2

cell membrane (3)

Answer 2

keeps contents of cell separate
partially permeable
controls what enters and exits a cell

Question 3

cytoplasm (5)

Answer 3

found throughout the cell
jelly like
made up of about 70 percent water
site of chemical reactions
medium in which many organelles found

Question 4

mitochondrion(2)

Answer 4

round to oval shape
site of aerobic respiration which produces energy for cell

Question 5

glycogen granules (2)

Answer 5

small round
food store for cell

Question 6

vacuoles (3)

Answer 6

small numerous
temporary
used to store nutrients waste

Question 7

nucleus (6)

Answer 7

large round
surrounded by a double membrane
has tiny openings called nuclear envelope
nuclear pores controls activities of ells
contains dna in chromosomes
has a nucleolus which retains rna

Question 8

golgi apparatus (3)

Answer 8

sack of flattened membrane bound sacks called cisternae
continuously being formed at one end and budded as vesicles which are tiny vacuole
at other processing and transporting system in the cell

Question 9

ribosomes (3)

Answer 9

small made up of one large and one small unit
can be free in cytoplasm or bound to endoplasmic reticulum
synthesize proteins

Question 10

endoplasmic reticulum (4)

Answer 10

system of flattened membrane bound sacks called cisternae
continuous with outer membrane of nuclear envelope
rough er has ribosomes attached and deals with transport of proteins
smooth er does not have ribosomes attached and deals with lipid and steroid synthesis
- 2 different functions