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matrenka [14]
4 years ago
6

The movement of molecules through a plasma membrane channel protein is always _____. see section 6.

Biology
1 answer:
LiRa [457]4 years ago
7 0
The answer is down the molecule's concentration gradient. To simplify, the movement of molecules through a plasma membrane channel protein is always down the molecule's concentration gradient. In addition, carrier proteins and channel proteins are the two main classes of membrane transport proteins. The carrier proteins bind the specific solute to be transported and undergo a series of conformational changes to transfer the bound solute across the membrane. 
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ASSIGNMENTS
kvasek [131]

Answer:

The idea of spontaneous generation was disproved by Francesco Redi.

Explanation:

  • Spontaneous generation is a theory that states that living organism can generate from an inanimate object.
  • In, 1668, Francesco Redi demonstrate an experiment explaining the theory of spontaneous generation by using meat.He noticed that flies laid eggs on meat which was kept open and maggots developed.
  • He took three pieces of meat to do the experiment.
  • The first piece of meat was kept open and as usual maggot development takes place.
  • With the 2nd piece of meat,he covered it with a piece of cheesecloth and noticed that,flies lay eggs on the cheesecloth but when he removed the cloth,maggot did't form.
  • Next, he took a piece of paper and cover the meat piece, and he noticed that flies did't lay any eggs and thus no maggots formed.
8 0
3 years ago
When a biological vector is used, which process must take place before recombinant DNA can be placed in the host cell?
Tasya [4]
<span>The appropriate response is gene isolation. The absence of interbreeding or minimal hereditary blending between living beings of similar species. Supplement. Hereditary confinement might be the consequence of geographic disengagement or of other segregation systems that anticipated effective generation.</span>
8 0
4 years ago
Read 2 more answers
Please help I’ll mark you as brainliest if correct!
sdas [7]
The answer would be D
8 0
3 years ago
Could an isolated melanin granule move along an actin microfilament?
mixer [17]

Answer:

No, an isolated melanin granule can not move along an actin microfilament because motor proteins are specific for the type of filament they bind.

8 0
3 years ago
In a classic mendelian monohybrid cross between a homozygous dominant parent and a homozygous recessive parent, which generation
Ivanshal [37]
T- dominant allele
t- recessive allele
<span>
parental cross: homozygous dominant parent (TT) and a homozygous recessive parent (tt)</span>
The parental cross is true-breeding, so: TTx tt

The F1 generation will be all heterozygote: Tt      
Answer: The F1 generation will be 100% heterozygote

5 0
4 years ago
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