If water evaporates from the ocean and becomes water vapor what has happened to its energy level?

1 answer:

6 0

When the water evaporates from the ocean and becomes water vapor, its energy level increases. The change in energy is positive. Water in the ocean is in liquid state. The molecules of water on getting the energy from the Sun increase their energy of movement and become gas. This change in energy is called the latent heat of vaporisation of water. Hence it can be said that a change in state of matter from liquid to gas causes a net increase in its energy.

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Scientists have noticed that the entire DNA molecule has the same width, despite the fact that the four nucleotides are NOT the

const2013 [10]

I don't have access to your model, although I'm sure it's beautiful. Fortunately, this question can be answered without one.

A strand of DNA is a polymer consisting of monomeric nucleotide units. The nucleotides that are found in DNA are distinguished by their nucleobases: adenine (A), thymine (T), guanine (G), and cytosine (C). Each nucleotide in DNA is made up of a single nucleobase, a sugar (deoxyribose), and a phosphate group. These nucleotides form extremely long chains comprising phosphate-sugar linkages (covalent, phosphodiester bonds).

In native, double-stranded DNA, you have of these chains (or strands) arranged side-by-side such that the nucleobases on one chain are faced directly across corresponding nucleobases on the other chain, which enables hydrogen bonding between the bases.

There is a "rule" regarding which bases form hydrogen bonds with one another (Chargaff's rule): adenine with thymine and guanine with cytosine.

What does this have to do with the width of the DNA molecule?

The four nucleotides can be structurally classified into two categories: pyrimidines and purines. For our purposes, we only need to know that pyrimidines are six-membered rings and purines are a fusion of a six- and five-membered ring (basically, purines are pyrimidines attached to a five-membered ring). Thymine and cytosine are pyrimidines, and adenine and guanine are purines.

So, geometrically, adenine and guanine are larger (and, thus, "wider") than thymine and cytosine since adenine and guanine contain an extra ring. But remember our base-pairing rules: In native DNA, adenine (two rings) on one strand pairs up with thymine (one ring) on the other strand, and guanine (two rings) pairs up with cytosine (one ring) on the other strand.

Because there's a 1:1 ratio between A:T and G:C in double-stranded DNA, the DNA molecule consists of complementary base pairs that, in any given composition of, has equivalent widths. Put simply, the A=T pair has the same width as a G≡C pair because both base pairs are between one pyrimidine and one purine.

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Analysis of a blood sample from a fasting individual who had not eaten for twenty-four hours would be expected to reveal high le

garri49 [273]

Glucose ..
And also TGs or fats ...

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4 years ago

Name the enzyme secreted by gastric glands in stomach that acts on proteins/

Cloud [144]

The enzyme secreted by stomach on proteins is pepsin...
actually it is in inactive form called pepsinogen which due to hydrochloric acid converts into the active pepsin....

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3 years ago

Need help with genotype

kirill [66]

Part 1:

YY = Yellow

Yy = Yellow

yy= blue.

Part 2:

SS= square

Ss= square

ss= round.

These are the phenotypes for the genotypes given. Hope this helps you.

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3 years ago

nicotine in smoke has two forms; the blank form is more easily absorbed through the mucous membranes of the mouth, nose, and lun

GarryVolchara [31]

Nicotine in smoke has two forms; the electrically neutral form is more easily absorbed through the mucous membranes of the mouth, nose, and lungs.

<h3>Where is nicotine absorbed the most?</h3>

Nicotine is absorbed through mouth mucous membranes and reaches peak blood and brain levels more slowly in people who do not inhale the smoke, such as cigar, pipe, and smokeless tobacco users.
By "riding" in with the tar that is inhaled from a lit cigarette, nicotine enters the body. About 8 seconds after inhaling the smoke, the nicotine/tar mixture enters the lungs, where it is swiftly absorbed. It can move to the brain once it reaches the bloodstream.

Learn more about the Nicotine with the help of the given link:

brainly.com/question/15241838

#SPJ4

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