What animal watches its prey constantly then attacks?

Biology

1 answer:

Jlenok [28]3 years ago

8 0

Polar bear, bengal tiger, jumping spider, sharks, etc i hope this helps :)

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How does ATP enable transport proteins to move ions across a cell membrane?

White raven [17]

Energy from ATP causes a transport protein to change shape, binding substances on one <span>side of the membrane, and releasing them on the other.</span>

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3 years ago

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".

5 0

3 years ago

Match each muscle of the scapula with the correct label.

Gennadij [26K]

Answer:

yes. Your correct order is 1 Supraspinatus, 2 Subscapularis, 3 Infraspinatus and 4 Teres Major.

Explanation:

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3 years ago

The gulf and the Dead Sea are extended of the same geological rift that resulted in the opening of the Red Sea is in which cardi

lora16 [44]

Answer:

East

Explanation:

East is the correct answer...

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2 years ago

Read 2 more answers

Life on Earth originated from primitive

lys-0071 [83]

I believe the correct answer from the choices listed above is the last option. Life on Earth originated from primitive bacteria. <span> It is generally agreed that all </span>life<span> today evolved by common descent from a single primitive lifeform and the lifeform from the choices is bacteria. Hope this helps.</span>

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3 years ago