Biology, 23.10.2019 04:00 huneymarie
Name
section 4: diffusion and osmosis
study guide b
key concept
materials move across membranes because of concentration differences
vocabulary
passive transport
diffusion
concentration gradient
osmosis
isotonic
hypertonic
hypotonic
facilitated diffusion
main idea: diffusion and osmosis are types of passive transport.
1. what is a concentration gradient?
2. what does it mean for a molecule to diffuse down a concentration gradient?
Answers: 3
Biology, 21.06.2019 21:00
My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway
Answers: 3
Biology, 22.06.2019 03:30
Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent
Answers: 1
Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
Answers: 2
Name
section 4: diffusion and osmosis
study guide b
key concept
materials m...
section 4: diffusion and osmosis
study guide b
key concept
materials m...
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