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professor190 [17]
3 years ago
8

Need those 4 questions answered!! (Giving brainlest to whoever is first!)

Biology
2 answers:
Lilit [14]3 years ago
7 0

1. the digestive system breaks down food and take the nutrients your body needs

podryga [215]3 years ago
3 0
I only know numbers one
it breaks down the food
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Plz help I little time
juin [17]

Answer:

-There are two categories of these factors: abiotic and biotic. Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.

Explanation:

Hopefully this helped, if not HMU and I will get you a better answer.

<em>-Have a great day! :)</em>

3 0
3 years ago
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Which observation would be evidence that heat was transferred by radiation?
neonofarm [45]

Answer: D) A car with the windows rolled up gets very hot on a summer day.

A radiation can be defined as the transmission of energy in the form of waves, particles or rays through space or through a material medium. A radiation is being transmitted from one source till it reaches it's destination. A radiation transfers heat energy. A car with the windows rolled up gets very hot on a summer day would be evidence that heat was transferred by radiation because the glass pane of the window of the car being transparent will absorb the heat energy coming from the solar radiation.  

6 0
4 years ago
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Which class of fish accounts for 95% of all fish species
marysya [2.9K]
Bony fish. In other words, fish that are invertebrates.<span />
7 0
4 years ago
A student sets up an experiment to study the role of enzymes in digestion of food. In which test tube, the digestion of protein
hammer [34]

In test tube B i.e., egg, albumin, pepsin and HCl the digestion of protein will occur as HCl will breakdown protein into simple molecules.

  • Pepsin will be activated by HCl to break down proteins into their simpler constituents.
  • Some enzymes, like pepsin in this instance, are activated by HCl in a catalytic manner.
  • Gastric juice is a mixture of lipase, other digestive enzymes, and the least amount of diluted hydrochloric acid required for digestion.
  • Pepsin, a digestive enzyme found in the stomach that aids in the breakdown of dietary proteins, is also present in this gastric fluid.
  • Foods like milk, beef, and other dairy products are high in protein, which is broken down into smaller molecules for digestion.
  • The pepsin is activated by the HCl in gastric juice. The protein intake is then catalyzed by the enzyme pepsin, which causes it to be broken down into smaller peptide molecules.

learn more about digestion of protein here: brainly.com/question/8937671

#SPJ4

A student sets up an experiment to study the role of enzymes in digestion of food. In test tube A, he added egg albumin and pepsin. In test tube B, he added egg albumin, pepsin and HCl. In which test tube, the digestion of protein will occur? *

Test tube A as pepsin will breakdown into simple molecules.

Test tube B as HCl will breakdown protein into simple molecules.

Test tubes A as pepsin will breakdown protein into simple molecules.

Test tube B as HCl will activate pepsin for breakdown of protein into simple molecules.

3 0
2 years ago
Matter
Furkat [3]

Answer:

Matter is the smallest particle of an element

Compounds is a mixture of two or more element

5 0
3 years ago
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