Transport Across the Cell Membrane
Which of the following types of transport uses a PROTEIN?
a. simple diffusion
b. facilitated diffusion
b. facilitated diffusion
What is the function of the cell membrane?
The cell membrane controls what goes in and out of the cell
What is the function of ribosomes?
Ribosomes make proteins for the cell
What kind of macromolecule is a phospholipid?
a. protein
b. carbohydrate
c. lipid
d. nucleic acid
c. lipid
According to cell theory, what are all organisms made of?
Cells!
Which of the following helps cells IDENTIFY each other?
A. Proteins
B. Lipids
C. Carbohydrates
C. Carbohydrates
What does hydrophobic mean?
Water fearing or water avoiding
What is the function of mitochondria?
Mitochondria make energy for the cell
Which macromolecule is used for quick energy?
carbohydrates
What does hydrophillic mean?
Water-loving
The movement of WATER across the cell membrane is called ___________
Osmosis
Which part of a phospholipid is polar?
a. the head
b. the tail
a. the head
What is one organelle that plant cells have, but animal cells do not?
Cell Wall, Chloroplast or Large Vacuole
What kind of macromolecule is an enzyme?
a. protein
b. carbohydrate
c. lipid
d. nucleic acid
a. protein
What does the flagella help a cell do?
a. breate b. move
c. grow d. recycle
b. move
What is the name of the molecule cells use for energy?
ATP
What does selectively permeable mean?
Only SOME things can pass through the cell membrane.
What are TWO differences between prokaryotes and eukaryotes?
1. Eukaryotes have a nucleus, but prokaryotes do not
2. Eykaryotes are larger than prokaryotes
3. Eukaryotes are often multicellular but prokaryotes are unicellular
What is the monomer of a protein?
amino acid
What does homeostasis mean?
Homestasis means balance.
Homeostasis is the ability to maintain stabilty even when the outside environment changes
What is the definition of Active Transport?
Active transport is the movement of molecules from low concentration to high concentration
What is the other name of the cell membrane?
The cell membrane is also called the Phospholipid Bilayer
What are the FOUR things ALL cells have?
1. Cytoplasm
2. Ribosomes
3. Cell Membrane
4. DNA
monosaccharide
What are the THREE types of Passive Transport?
1. Simple Diffusion
2. Facilitated Diffusion
3. Osmosis