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quester [9]
3 years ago
12

True or false? specialized proteins that receive transmitter signals are called receptors.

Biology
1 answer:
bezimeni [28]3 years ago
5 0
This is true

Chemoreceptors are throughout the body and are stimulated to aggravate functions by hormones that are released from glands. A common hormone; Epinephrine is released from the adrenal glands, and attaches to the Alpha-1 (Vasoconstriction), Beta-1 (HR), and Beta-2 (Bronchodilation). <span />
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Why are vegetables considered among the most nutritious foods available?
Svetradugi [14.3K]

Vegetables are considered among the most nutritious food available because they have a large amount of minerals and vitamins in them.They do not have fat in them which makes is more nutritious.Besides this every part of vegetable can be utilized whether it is in the form of stem,root,leaves,seed all have some amount of nutrition in them.The nutrition present in vegetables can be derived in multiple ways ,they can be eaten raw or can be cooked.Vegetables are very rich source of vitamins and minerals. They are very rich in anti-oxidants ,which protects the body from cancer.They are also a rich source of iron,phosphorous,multivitamin,etc.

7 0
3 years ago
How is energy involved in determining if a reaction is classified as endothermic or exothermic
Aleksandr-060686 [28]

In a nutshell:

  • Chemical reactions love stability.
  • Usually if heat is given off, the chemicals are happier as they are more stable.
  • This should happen naturally, like a ball rolling down a hill.
  • But if you <em>force </em>chemicals to do things that make them more <em>unstable, </em>you're going to have to put energy in.
  • Like forcing a ball up a hill, it isn't naturally going to roll up without you putting in energy.
  • "exo-" means "away from" and "endo-" means "within". Think about this in terms of heat, or energy.
  • heat released -> exothermic reaction (energy escapes)
  • heat put in -> endothermic reaction (energy is put within)

Also the word "enthalpy" and ΔH is used a lot to relate to energy.

A negative ΔH means heat loss and a positive ΔH means heat put in as well.

Hope this helps ;)

6 0
3 years ago
Read 2 more answers
Which shows that the results of an experiment are reliable?
erica [24]

Answer:

B - Repeating the experiment gives the same results.

Explanation:

For more reliable results in an experiment it must be repeated multiple times to see if the data is accurate.

Hope it helps! :D

6 0
3 years ago
Why is it an advantage for plants to be multicellular
grigory [225]

Answer:

they advantages of an increase in size without its limitations

Explanation:

7 0
3 years ago
What are the similarities and differences between diffusion and active transport?
Shalnov [3]
Both use ion channels to move ions across the cell membrane, in or out of the cell. Differences: Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
7 0
4 years ago
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