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oksian1 [2.3K]
3 years ago
9

If a cannon is fired from the front of a boat, the boat will drift backward. Which one of Newton´s laws best describes this moti

on?
Newton´s first law of motion: An object in motion stays in motion unless acted on by another force.


Newton´s third law of motion: For every action, there is an equal and opposite reaction.


Newton´s second law of motion: Force is equal to mass times acceleration.
Biology
1 answer:
Rama09 [41]3 years ago
3 0
Newtons third law of motion
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Photosynthesis and Cellular respiration, both cellular processes are important for life, however, we need to understand what happens to confirm this information....

<h3>Photosynthesis</h3>

Most life on Earth depends on photosynthesis. The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores then obtain this energy by eating plants, and carnivores obtain it by eating herbivores.

Inside the plant cell are small organelles called chloroplasts, which store the energy of sunlight. Within the thylakoid membranes of the chloroplast is a light-absorbing pigment called chlorophyll, which is responsible for giving the plant its green color. During photosynthesis, chlorophyll absorbs energy from blue- and red-light waves, and reflects green-light waves, making the plant appear green.

<h3>Cellular respiration</h3>

Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.

One objective of the degradation of foodstuffs is to convert the energy contained in chemical bonds into the energy-rich compound adenosine triphosphate (ATP), which captures the chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.  

<u>With this information, we can say that </u><u>photosynthesis</u><u> transforms solar </u><u>energy</u><u> into </u><u>chemical energy</u><u> through sugars. </u><u>Cellular respiration</u><u> releases </u><u>energy</u><u> from </u><u>food through</u><u> sugars.</u>

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5 0
2 years ago
Which types of mutations in the lac operon stop Escherichia coli from utilizing lactose as a carbon source? a) promoter deletion
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Answer:

D.) repressor DNA-binding site mutation

Explanation:

lacl prevents the repressor polypeptide is a mutant that prevent operon from binding lactose, and thus will bind to the operator and be non-inducible.. This mutant will represses the lac operon whether lactose is present or not and the lac operon will not be expressed. It is also called“super-supperesor".

The lacI locus – One type of mutant allele of lacI (callled I-) prevents the production of a repressor polypeptide or produces a polypeptide that will not allow to bind to the operator sequence.

This is also a constitutive expresser of the lac operon because absence of repressor binding permits transcription.

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3 years ago
Can u help me with this please
sesenic [268]
This is only explanation. What are the questions for it?
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