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3 years ago

How could you predict the color a tree’s leaves will turn in the fall

Biology

2 answers:

Zigmanuir [339]3 years ago

8 0

The answer is orange, this is because when it is cold the leaves start to die and turn orange or red

Mrac [35]3 years ago

4 0

Orange, because when it begins freezing all leaves will turn into either orange or red.

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When blood clots, an enzyme is activated to change a protein from one form into another.

exis [7]

Answer:

Hey mate!!

<h2>Process of blood-clotting</h2>

The mechanism to prevent excessive loss of blood from the body is called blood clotting.

<h3>Steps in blood clotting:</h3>

At the site of cut, damaged cells and platelets release thromboplastin.
This thromboplastin with the help of calcium ions,converts prothrombin into thrombin.
In the presence of calcium ions,thrombin reacts with soluble fibrinogen and converts it into insoluble fibrin.
Fibrin is a solid substance which forms threads and a meshwork at the site of cut.
Blood cells trapped in the network of fibrin.The blood shrinks and squeezes out the rest of plasma in the form of clear liquid.
The solid mass which is left behind is called clot.

Hope this helps ......

Good luck on your assignment....

8 0

3 years ago

Which of the following best describes a consequence of clearing land for agriculture? Species that require a wooded habitat will

Alekssandra [29.7K]

Species that require a wooded habitat will suffer

5 0

3 years ago

Read 2 more answers

You have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes

Finger [1]

Answer:

An enzyme whose activity is controlled by allosteric regulation.

Explanation:

Enzymes are proteins that accelerate chemical reactions within the cell. Enzymes bind to the substrate in the active site, catalyzes the reaction, for example the breakdown of the binding molecule, and release the product or products.

The enzyme activity need to be regulated. One of the mechanisms by which this occurs involves effector molecules, usually small molecules which bind to the regulatory site, called allosteric site. The binding to effector molecules may activate or inhibit the enzyme activity, consequently increasing or decreasing the rate of the reaction.

This mechanism of enzyme control is called allosteric regulation.

The description of the protein isolated fits with this features, an enzyme whose activity is controlled by allosteric regulation.

3 0

4 years ago

What is an example of an ecosystem service?

Ksivusya [100]

Answer:

Examples of an ecosystem servics is products such as food and water, regulation of floods, soil erosion and disease outbreaks, and non-material benefits such as recreational and spiritual benefits in natural areas.

<h2>Hope it helps you.</h2>

8 0

3 years ago

Some companies run into trouble when they make product claims that:

Strike441 [17]

Its probably gonna be B cause companies do get in trouble for stealing another product and claim its there's but is using an stolen idea.

I hope this helpful! :>

6 0

4 years ago

Read 2 more answers