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katrin2010 [14]
3 years ago
13

What molecule absorbs sunlight for photosynthesis

Biology
2 answers:
svetoff [14.1K]3 years ago
8 0
Hi there!

Q: What molecule absorbs sunlight for photosynthesis?

A: Photoreceptor Molecules

Hope I've helped!

denpristay [2]3 years ago
4 0
Light is absorbed by chlorophyll which is bound to reaction center proteins found in the thylakoid membrane
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Which option most accurately states a central idea of "‘rewilding' draws on the past to modify plants"?
cestrela7 [59]

Answer;

Rewilding is the process of introducing genes of ancient plants into modern species.

Explanation;

-Rewilding is a progressive approach to conservation. It involves allowing the nature to take care of itself, enabling natural processes to shape land and sea, repair damaged ecosystems and restore degraded landscapes.

Through rewilding, wildlife's natural rhythms create wilder, more biodiverse habitats.

4 0
3 years ago
Sympathetic nervous system vs parasympathetic nervous system
AveGali [126]

Answer:

Differences between Sympathetic and Parasympathetic

1. Anatomical: The location of preganglionic neurons of the autonomic ganglia and the extension of preganglionic and postganglionic fibers are different in these two systems;

2. Pharmacological: In the Sympathetic system we have the presence of Cholinergic fibers (Ach) and in the Parasympathetic system we have the presence of Noradrenergic fibers (NE);  

3. Physiological: They act antagonistically, they rarely work harmoniously synergistically in coordinating visceral activity (balance)

7 0
3 years ago
Which 4 of these are actual ecosystem services?
ipn [44]

The actual ecosystem services include the following:

  • pollination of crops by bees

  • land stabilization by plants

  • production of carbon dioxide

  • flood control

That is option 2, 3, 5, 6.

<h3>What is ecosystem services?</h3>

Ecosystem is defined as the system that consists of both living and non living things that work together to form a stable environment.

Ecosystem services are defined as those direct and indirect contributions of ecosystems to human wellbeing, which have an impact on their survival and quality of life.

The ecosystem services are made up of the following:

  • provisioning,

  • Regulating: These regulating services include pollination of crops by bees, land stabilization by plants, production of carbon dioxide and flood control.

  • cultural and

  • supporting services.

Learn more about ecosystem here:

brainly.com/question/7413811

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7 0
1 year ago
regulates blood volume and pressure, stimulates red blood cell formation, and controls fluid, electrolyte, and acid-base balance
omeli [17]

The Circulatory  system regulates blood volume and pressure, stimulates red blood cell formation, and controls fluid, electrolyte, and acid-base balance.

What is Circulatory  system?

To obtain oxygen into the blood, the circulatory system (cardiovascular system) pumps blood from the heart to the lungs. The remainder of the body receives oxygenated blood from the heart via arteries. Oxygen-depleted blood is returned to the heart by veins to restart circulation.

The human body is a tremendously intricate structure with numerous organ systems, including the brain, which regulates all bodily functions, lungs, which assist in gas exchange, and kidneys, which filter out waste products. However, the circulatory system controls all of these since blood is a fluid that keeps the body free of any materials that are not necessary for the body.

To learn more about circulatory system click on the link below:

brainly.com/question/25148768

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6 0
2 years ago
Nicotine from cigarette smoke acts as a ligand and associates with the acetylcholine receptor on specific cells in the nervous s
Vitek1552 [10]

Answer:

The correct order of events is:

C) Nicotine binds to the transmembrane protein that normally binds the neurotransmitter acetylcholine.

A) The acetylcholine receptor is an ion channel, and when a ligand binds, the ion channel opens.

B) An influx of ions carries the signal to the reward areas of the brain.

D) The signal causes release of dopamine in the brain, which causes good feelings.

E) Nicotine is quickly eliminated from the body (causing cravings for more cigarettes to produce good feelings).

Explanation:

Nicotine acts on acetyl cholinergic receptors that are located in membranes of the midbrain neurons. Nicotine can activate those receptors or block them more efficiently than acetylcholine.   Stimulation of nicotinic receptors leads to an increase in ions flow that reaches the brain and causes dopamine release in the nucleus accumbens through axonal prolongations of the dopaminergic pathway. This response is responsible for the smoker´s recompense sensation.

The dopaminergic pathway is the most important way in the process of nicotine dependence and addiction to the drug.  

8 0
3 years ago
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