I don't know what I am supposed to do or how to do it?

Biology

1 answer:

BabaBlast [244]3 years ago

5 0

You have to take the beginning strand and pull it to DNA antisense strand!

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milk of magnesia is sometimes used as remedy for "acid stomach". Would you expect the of milk of magnesia to be less the 7, more

Dimas [21]

Since acid is less than 7, you'd want the remedy to be more than 7.

8 0

3 years ago

PLEASE HELP ME!!!!!!!!!!

Lina20 [59]

Co2 diffuses into red blood cells down their concentration gradient. Here, the co2 reacts with water in the cytoplasm of the red blood cell with the help of the enzyme carbonic anhydrase to make carbonic acid (H2CO3). The carbonic acid then dissociates into H+ and hydrogen carbonate ions. The H+ ions binds with R-groups in haemoglobin in the red blood cell to make the compound carbaminohaemoglobin. The hydrogen carbonate ions leave the red blood cell and diffuse into the blood plasma whilst chloride ions move into the red blood cell (chloride shift) to maintain electrochemical balance.

Ik it's a lot but I hope it helped. I have a biology exam tomorrow and I also need to remember this haha

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3 years ago

What are the steps in protein synthesis

Sliva [168]

<span>Unzipping. - DNA double helix unwinds to expose a sequence of nitrogenous bases. ...Transcription. A copy of one of the DNA strand is made. ...Translation (Initiation) mRNA couples w/ ribosome & tRNA brings free amino acids to ribosomes.Elongation. - Anticodon of tRNA recognizes codon on mRNA. ...<span>Termination.</span></span>

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3 years ago

Glucose is taken up by red blood cells by binding to a specific pocket in a membrane protein which then allows it to cross the m

stich3 [128]

<h2>The correct answer is Facilitated Diffusion.</h2>

Explanation:

Facilitated Diffusion can be defined as the mechanism by which molecules are made to translocate from a region where their concentration is high to a region where their concentration is low through an integral membrane protein that spans the plasma membrane forming a channel across the membrane connecting the cell interior with the cell exterior.
Here, as the molecules move along or down their concentration gradient so no expenditure of energy in the form of ATP or Adenosine Triphosphate occurs.
Polar molecules like glucose form hydrogen bonds with water molecules. They are not allowed to diffuse directly across the lipid bilayer because the lipid bilayer is hydrophobic and avoid water molecules and also polar molecules.
Hence, the glucose molecules need to get transported through protein channels that span the lipid bilayer of the plasma membrane.
These proteins have amphipathic nature, that is, they are composed of both polar and non-polar amino acid residues. The non-polar residues face towards the lipid molecules in the membrane and form hydrophobic interactions with them while the polar residues face the lumen of the channel and form hydrogen bonds with the polar molecules those are translocated across the membrane.

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3 years ago

What is not a similarity between the male and female reproductive systems?

Katen [24]

The male consists of external organs
the female consists of internal organs

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3 years ago