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tigry1 [53]
3 years ago
11

Which statement is true about gold and helium?

Biology
1 answer:
nlexa [21]3 years ago
4 0

Answer:

The answer is B

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Consider the motion diagram. It illustrates a car's velocity (V) and acceleration (A). Determine is there is a change in either
aleksandrvk [35]

Answer:

Change in velocity: yes

Change in acceleration: no

Explanation:

The diagram of the problem is missing: find it in attachment.

In the diagram, there are represented:

- The velocity of the car, as a vector labelled with V

- The acceleration of the car, as a vector labelled with A

The directions of the vector represent the direction of the velocity and the acceleration, while the length of the arrows represent the magnitude of the two quantities.

We observe that:

- For the velocity, the direction is always to the right; however, the length of the arrow decreases, so the magnitude of the velocity keeps decreasing

- For the acceleration, the direction is always to the left; and the length of the arrow remains constant, therefore the magnitude of the acceleration does not change.

This means that the car is moving to the right, but it is slowing  down, since the direction of the acceleration is opposite to the direction of the velocity.

5 0
3 years ago
Read 2 more answers
Which are responses to internal stimuli? Check all that apply.
FrozenT [24]
Hey there!

I think it's 2 & 3. Maybe 4 too

Hope this helps!

Always remember, you are a Work Of Art!
- Nicole <3 :)
6 0
3 years ago
Regulatory proteins typically contain sites that can bind to other proteins or small molecules. Through such binding interaction
nasty-shy [4]

Answer:

Regulatory sites e.g enhancers and silencers

Explanation:

Gene expression involves the synthesis of gene products usually proteins and RNA. However, a certain product might not be needed at all or in small quantity. Gene regulation mechanism is the process that makes this happen. Gene regulation is the mechanism that acts to induce or repress the expression of a gene.

Gene regulation involves controlling the rate and manner of gene expression which is achieved through a set of regulatory proteins called transcription factors. Transcription factors bind to specific regulatory nucleotide sequences and help to turn "on or off" specific genes in the DNA.

Transcription factors can either be ACTIVATORS or REPRESSORS depending on whether they boost or inhibit gene expression. The binding sites for these regulatory proteins called TRANSCRIPTION factors are the regulatory nucleotide sequences on the DNA called enhancers and silencers.

4 0
3 years ago
What is the chance that the offspring will have hair?
11Alexandr11 [23.1K]

Answer:

2 in 4, 50 percent

Explanation:

in the punnet square, you can see that half the boxes ar Hh, which means the offspring will have hair.

6 0
3 years ago
What are the openings (pores) called that allow these molecules to enter leaves? What molecule enters the plant through the root
SpyIntel [72]

Answer: Stomata

Explanation:

Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters.

5 0
3 years ago
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