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Blizzard [7]
3 years ago
8

Is it necessary to have a gradient in order for diffusion and osmosis to occur why?

Biology
1 answer:
bagirrra123 [75]3 years ago
5 0
Yes. The gradient determines the direction of movement for particles. Diffusion and osmosis are both examples of passive transport Osmosis is the diffusion of water through semipermeable membranes like the cell membrane

The particles will move from an area of high concentration to an area of low concentration. This direction of movement is described as movement *with* the concentration gradient.

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The urinary bladder is composed of ________ epithelium. A) transitional B) simple squamous C) stratified squamous D) pseudostrat
GaryK [48]

The urinary bladder is composed of transistional epithelium.

<h3>What is Urinary bladder?.</h3>

The urinary bladder is a muscular sac that is composed of transitional epithelium and it is located in the pelvis between the pubic bone. When the bladder is empty,It has the size a pear. Urine produced by the kidneys move ureters to the bladder. The bladder stores urine, allowing urination to be well managed.

The transitional epithelium contain multiple cells that changes shapes.

Therefore, The urinary bladder is composed of transitional epithelium

Learn more about urinary bladder below.

brainly.com/question/11859334

3 0
2 years ago
Plasmids are used in biotechnology.  Plasmids ---.
trapecia [35]

The right answer is All answer options describe plasmids.

A plasmid is a natural or artificially modified circular DNA molecule for use in biological research.

The researchers use the plasmids to insert a DNA fragment of interest, thanks to the cloning cassettes. They can clone genes to express proteins or RNAs and analyze them.

8 0
3 years ago
What conclusions can be drawn about the existence of carbon-12, carbon-13, and carbon-14? A) These are forms of carbon and they
Kryger [21]

Answer:

C.

Explanation:

All these carbon atoms are isotopes: they have the same amount of protons (in this case, 6 because carbon always has 6 protons) and the same amount of electrons (6 because the carbons given have a neutral charge).

Therefore, the only thing we are changing is the atomic mass and the amount of neutrons present in each isotope.

In Carbon-12, there are 6 protons, 6 neutrons, and 6 electrons.

In Carbon-13, there are 6 protons, 7 neutrons, and 6 electrons.

In Carbon-14, there are 6 protons, 8 neutrons, and 6 electrons.

5 0
3 years ago
Read 2 more answers
What is the job of tRNA
exis [7]

Answer:

To make our mRNA

Explanation:

I think it is this one, but I am not sure, sorry if it is wrong. :(  

But I do know this, I think it might help you:

A transfer RNA (tRNA) is a special kind of RNA molecule. Its job is to match an mRNA codon with the amino acid it codes for. You can think of it as a kind of molecular "bridge" between the two. Each tRNA contains a set of three nucleotides called an anticodon.

7 0
2 years ago
Why is the dominant allele seen in a heterozygous individual
hodyreva [135]

Answer: Since it's the DOMINANT allele that means that it will take over reccesive allele that's why it's shown.

Explanation: A heterozygous individual is an individual where the have both the dominant and reccesive allele for a trait. The dominant allele will always be stronger than the reccesive allele. This results in the dominant allele being shown.

7 0
3 years ago
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