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3 years ago

What star is a supergiant

Biology

2 answers:

Basile [38]3 years ago

4 0

The sun
is beacuse ti is the biggest star ever

ss7ja [257]3 years ago

4 0

Betelgeuse is classified as a red supergiant and it burns 100,000 more brightly than our sun. Talk about hot.

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Which of the following statements supports the one gene-one enzyme hypothesis?

Marat540 [252]

Answer:

A) A mutation in a single gene can result in a defective protein.

Explanation:

This hypothesis states that one gene codes for one protein-enzyme, so consequently, if mutation occurs in that gene, the enzyme will not work properly. This hypothesis was very important for the fundamental discoveries of molecular biology, but it is oversimplified meaning that relationship between genes and proteins is much more complex.

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4 years ago

Arrange the tiles to show the sequence of events in the development of the theory of evolution.

Arte-miy333 [17]

There are four principles at work in evolution—variation, inheritance, selection and time. The theory of evolution by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.

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3 years ago

Read 2 more answers

why is the blood that flows from the lungs toward the heart a brighter red than the blood that flows the other direction

Ipatiy [6.2K]

It is the presence of oxygen-bound hemoglobin that makes it bright red

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4 years ago

When the distance between the balls decreases, the size of the arrows increases. This shows that the gravitational pull

shepuryov [24]

True

Explanation:

The statement that when the distance between the balls decreases, the size of arrow increases because it shows the gravitational pull between the two balls which increases is true.

According to Newton's law of universal gravitation:

"The gravitational force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of their separation".

Mathematically, the law is written as:

F = $\frac{G m_{1} m_{2} }{r^{2} }$

F is the gravitational force

G is the universal gravitational constant

m is the mass of the body

r is the distances between them.

We see that the less the distance between the two bodies the more the gravitational force they have.

learn more:

Gravitational force brainly.com/question/1724648

#learnwithBrainly

8 0

3 years ago

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What is the purpose of this process?

Lapatulllka [165]

Answer:

What process?

Explanation:

There's noting up here to process

3 0

3 years ago