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Ronch [10]
3 years ago
6

Please help this is important!

Biology
1 answer:
icang [17]3 years ago
8 0

Answer:

25% chance for purple flowers 75% chance for white flowers.

Explanation: The big letter is the dominant gene and that means that it will be what ever the dominant gene says. (unless both are recessive like with the "ww" purple flowers)

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A landfill is an area that has been cleared out in order for humans to dispose of waste products.
choli [55]
B. Soil Contamination

All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
8 0
3 years ago
The table below shows part of the process of DNA replication:
svp [43]

Answer:

There will be a change in the genetic information that gets transmitted due to the mutation in the complementary strand being used as template in future DNA replication.

Explanation:

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3 0
3 years ago
100 points! What are exhibit entries, and how do I write them?
likoan [24]

Answer:

Exhibit entries are the fact that after you go see a museum or something you have to fill out a form. You write them by getting them usually from a worker.

Explanation:

3 0
3 years ago
Read 2 more answers
Help <br>Pls <br>:)<br><br><br>thanks <br>:)<br><br><br><br>​
ASHA 777 [7]

Answer:

This is a picture of an aminoacid chain

Explanation:

In an amino acid chain all amino acids ( for example GLY, VAL, or ARG) are linked by peptide bonds. Long chains, also called polymers, of amino acids are called proteins. The enlarged photo is an example of a structure of an amino acid. They have an amine (-NH2) and carboxyl (-COOH) functional group, along with a side chain (R group), specific to each amino acid.

5 0
3 years ago
Help asap please!
andreyandreev [35.5K]

Answer:

Active transport:

  • requires energy
  • molecules move from low to high concentration sides
  • Na+ and K+ move by active transport

Simple diffusion:

  • molecules move from high to low concentration sides
  • molecules pass between lipids
  • small non-polar and polar molecules

Facilitated diffusion:

  • molecules move from high to low concentration sides
  • involves channel proteins
  • move large molecules

Explanation:  

  • Simple Diffusion is the pathway of only small molecules that freely move through the membrane by momentary openings produced by the lipids' movements. Diffusion is a slow process that requires short distances and pronounced concentration gradients to be efficient. An example of diffusion is osmosis by which water is the transported molecule.
  • Facilitated diffusion is the transport of hydrophilic molecules that can not freely cross the membrane. Channel protein and many carrier proteins are in charge of this transport. When uncharged molecules cross the membrane, they do it according to their concentration gradients, going from the more concentrated side to the lower concentrated one. When ions need to cross the membrane, the process depends on an electrochemical gradient.  Glucose is an example of a hydrophilic protein that gets into the cell by facilitated diffusion.

Simple diffusion and facilitated diffusion are both passive transport processes because they only depend on electrochemical gradients, so they do not need any energy to occur.

  • Active transport is the transport of molecules that move against the electrochemical gradient, so it does need energy to happen. Molecules move from the lower concentration side to the higher concentration side of the membrane. Carrier proteins are in charge of active transport. The needed energy might proceed from the ATP molecules or the membrane's electric potential. An example of molecules moved by active transport are the Na and K.

7 0
3 years ago
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