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pogonyaev
3 years ago
7

Where does the chemical energy released in a chemical reaction come from?

Biology
1 answer:
nataly862011 [7]3 years ago
3 0
The chemical energy released in a chemical reaction is a product of the reactants in a reaction. In a reaction, something is either broken down or combined to form something new.
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How do greenhouse gases affect earth's environment? answer.com?
sladkih [1.3K]
The  greenhouse  gases   effect  the  environment  by  leading   to  climate  change  and   global  warming. 

Due   to  green  house  gases  the  earth become   warmer  than  normal.This  affect  weather  patterns  which  led to  global  warming  and  climate  change.In   the  last  3  million  years  the  amount  of  greenhouse  gases   in  our   atmosphere  is the highest  which  led to  global  warming.
6 0
3 years ago
As food moves through the digestive tract it spends the most time in the:
vodka [1.7K]
As food moves through the digestive tract, it spends the most time in the large intestines. This is because of the need to absorb water and partially digest fiber.
8 0
3 years ago
9) Identify the FALSE statement regarding sensory receptor cells. A) A graded potential is referred to as a receptor potential.
rjkz [21]

Answer:

<u> C) Each type of sensory receptor responds only to the stimulus that defines the receptor</u>

<u></u>

Explanation:

Neurons,  specialized cells within the nervous system. These help with coordinated movement ad communication within the body through the transmission of electrical signals.

Sensory receptors are highly specialized neurons. These are able to detect various chemical and physical stimuli, and are classified by their ability to detect certain stimuli such as:

  • photoreceptors
  • mechanoreceptors
  • chemoreceptors
  • thermoreceptors

Sensory receptors respond to certain intensities of stimuli, instead of one specific stimulus. e.g. Mechanoreceptors within the skin can respond to pressure changes due to touch, but may also detect sound due to specific vibrations.

7 0
3 years ago
"Explain how chemical energy for use in the cell is generated by electron transport and chemiosmosis"
Reika [66]

Answer:

Explanation:

The electron-carrier proteins are arranged in the inner mitochondrial wall. A dehydrogenase enzyme (think of it as the first protein of the electron-transport chain) oxidises NADH2 (which is the reduced coenzyme NAD) and/or FADH2 (reduced coenzyme FAD). The energy from the oxidation process is used to pump hydrogen ions from the matrix to the inter-membrane space of the mitochondrion. Because of this, gradient of hydrogen ion concentration builds up across the inner mitochondrial membrane, which generates a potential difference across the membrane. The protons then flow back to the matrix through an enzyme called ATP synthase (also called ATPase). (This is called chemiosmosis because a chemical substance (H+) moves across a membrane, down the concentration gradient.) This releases energy needed for the ATP synthase to phosphorylate ADP, i.e. make ATP (chemical energy for use in the cell) from ADP and inorganic phosphate.

Note: Bolded things are important, everything else is just additional clarification in case you need it. This is the last major phase of cellular respiration. If you want a deeper insight into the process, I suggest you read a bit about glycolysis and Krebs cycle.

7 0
2 years ago
HELP PLEASE:
murzikaleks [220]

Answer:

Pinocytosis is one type of endocytosis, the general process by which cells engulf external substances, gathering them into special membrane-bound vesicles.

Explanation:

Hope that helped!

3 0
2 years ago
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