Help me with these 3 questions please Which one does use energy to allow certain molecule across the membrane?
a. Transporter protein
b. Protein channel
Each phospholipid has lipid tails that gives it a property and is repelled by water.
a. polar
b. non polar
Which one does not use energy to allow certain molecule across the membrane?
a. Transporter protein
b. Protein channel

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

1. aerobic

2. lactic acid fermentation

3. glycolysis

4. anaerobic

5. alcohol fermentation