PLEASE HELP ME I WILL MARK BRAINLIEST AND O NEED AN EXPLANATION TOO PLS

Biology

2 answers:

ziro4ka [17]3 years ago

8 0

Answer:

Decrease in carbon dioxide because they take in carbon dioxide for photosyenthesis process

Explanation:

ra1l [238]3 years ago

5 0

The second option ( a decrease in carbon dioxide)

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One of the grand challenges in biology is understanding how the first cells formed on Earth. Since all cells are bound by a cell

coldgirl [10]

<h2>Answer is option "A"</h2>

Explanation:

Oils and fats, which in science are called lipids, are known as amphipathic molecules. These molecules have two distinct ends to them: a water-loving (hydrophilic) side and a water-fearing (hydrophobic) side. While the hydrophilic sides of a lipid will associate with the water in a solution, the hydrophobic sides of the lipid all cluster together to 'hide' from the water. Lipids therefore cluster together and form spheres where the hydrophobic sides are in the center away from the water while the hydrophilic sides are on the outside, associating with the water.
The ability of the atoms within a group to form hydrogen bonds with the water molecules around them makes them hydrophilic. Oxygen and nitrogen atoms readily form hydrogen bonds with water molecules, so any organic molecules that have oxygen or nitrogen atoms bound to their carbon skeletons will be hydrophilic.
For example, if we take the molecule for cholesterol, we see the OH group on the left is hydrophilic and will form hydrogen bonds with water, while the ring structures, which only consist of hydrogen and carbon atoms, are hydrophobic and will not associate with the water.
There are many different kinds of lipids with different functions. Lets start by examining phospholipids, which compose the cell membranes of animals. They form lipid bilayers, with one set of hydrophilic heads facing the exterior of the cell membrane and the other set facing the interior (as you can see on the diagram on screen). The hydrophobic portions of the lipid bilayer - the lipid tails - face towards one another, which allows them to hide away from the water inside and outside of the cell.
So,the right answer is option A "amphipathic molecules".

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3 years ago

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lys-0071 [83]

Answer:

To maintain this balance, the Hardy-Weinberg Equilibrium Principle states that a population should meet five main assumptions. There should be random mating, large population size, no mutation, no selection on the gene in question, and no gene flow in or out of the population.

Explanation:

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3 years ago

What are the differences in DNA and RNA in terms of structures and nitrogenous bases?

harkovskaia [24]

Answer: DNA is a long polymer with deoxyriboses and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. RNA is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.

Explanation:

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3 years ago

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Which of the following is a form of active transport? A) Sodium-potassium pump B) Simple Diffusion C)Osmosis AND WHY?

Bingel [31]

I think simple diffusion is a former of active transport

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3 years ago

How can bloodtyping be used to solve a crime

Hitman42 [59]

You can probly scan there blood and tell who it is.