PLEASE HELP ME WITH THIS QUESTION
PLEASE HELP ME WITH THIS QUESTION - 1

Answers

Answer 1
Answer:

Answer:

It does not change

Explanation:

I think it is correct

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How do organisms get energy in an ecosystem? Be sure to address both producers and consumers. *​

Answers

Answer:

Producers like plants get their energy from the sun. Consumers get energy from eating producers or other consumers.

Explanation:

Answer:

producers, primary consumers, secondary consumers and tertiary consumers

Explanation:

Producers get their nutrients by the sun, these are normally plants. Then primary consumers eat these producers, these are herbivores. The secondary consumers eat the primary consumers, these are carnivores and can be herbivores. Lastly, tertiary consumer eat the secondary consumers and are carnivores

Which of the following is a role of helper t cellsA( To ingest pathogens
B( to destroy cells that have been infected by viruses
C( to activate B Cells
D( to increase blood flow

Answers

A to ingest pathogens
The answer to this question is C( to activate B cells

Will give brainlistEarth's surface is constantly changing, and new landforms are constantly taking shape due to natural processes. Which landform is most likely caused by deposition?
A. caves
B. valleys
C. Deltas
D. lakes

Answers

Answer:

C. Deltas

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Which of the following is true about the speed of light?O it is a constant when the light is traveling in a vacuum.
O It speeds up or slows down depending on the observer.
O It is slowest in a vacuum.
O lt varies depending on the color of the light.

Answers

Answer:

It is a constant when the light is traveling in a vacuum.

Explanation:

When cells respond to an extra cellular signal , they convert the incoming information from one form to another. This process is called signal a. induction
b. interference
c. transduction
d. transformation

Answers

Answer:

The process is called signal transduction

Explanation:

Signal transduction entails the binding of a ligand or extracellular signal to a receptor and this gives rise to a biochemical cascade of reactions, interactions forming networks and this elicit cellular responses. These responses may include, post translational modifications, changes in gene transcription and translation.

Answer:

The process is called signal transduction.

Explanation:

Signal transduction is the process by which chemical or physical signal is transfered from outside of the cell to the interior of the cell thereby transforming the information from one form to another form to ensure adequate response. Signal transduction depend on receptors protein.

There are three stages of signal transduction and they are;

1. Receptor or protein present at the cell surface detect signals.

2. Transduction, change in receptors enhance changes in the cell.

3. Response, the cell respond to the signal.

You are given two solutions containing different purified DNAs. One is from the bacterium P. aeruginosa and has a G + C composition of 68%, whereas the other is from a mammal and has G + C composition of 42%. You measure the UV absorbance of each solution as a function of increasing the temperature. Which solution will yield the higher Tm value and why?

Answers

Answer:

The solution of P. aeruginosa will yield higher Tm value.

Explanation:

The solution of P.aeruginosa contain 68% G+C composition as a result the DNA of P.aeruginosa is more stable than the DNA of mammal contain only 42% G+C composition.G+C composition is most stable because guanine is linked to cytosine by 3 hydrogen bonds whereas adenine linked to thymine by 2 hydrogen bonds.

   As  P.aeruginosa DNA is more stable than mammalian DNA,as a result the DNA solution of P.aeruginosa will yield high Tm(melting temperature) value than that of mammalian DNA.