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rewona [7]
2 years ago
9

The atomic mass of the most common isotope of carbon is _______. The element with an atomic number of 4 is _______. _______ exis

t in orbitals around the nucleus. Oxygen has _______ protons in the nucleus. An isotope of an element has the same number of protons but a different number of _______.
Biology
1 answer:
AlladinOne [14]2 years ago
6 0

Answer:

6 ,Be electrons ,8,neutrons (mass number)

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Match the appropriate food item with the indicator chemical you would use to detect the principal organic molecule present in th
Valentin [98]

Answer:

raspberry jam -  benedict's solution

honey -  benedict's solution

ground turkey - biuret reagent

oatmeal - iodine

Explanation:

Benedict's test is a test used to confirm simple carbohydrates. it helps in identifying reducing sugars that have free ketone or aldehyde functional groups. Raspberry jam has mainly carbohydrates that can be tested by this indicator.

An iodine test is for the determination of starch which is a non-reducing sugar such as oatmeal

Sudan IV (C24H20N4O) is used for the presence of staining of lipids, triglycerides and lipoproteins. There is no food item given that has a proper amount of fat or lipid

Beuret reagent is a protein testing reagent that shows the presence of the protein. Ground turkey has a huge amount of protein that can be indicated by this

4 0
2 years ago
What is the role of xylem in a vascular plant
AleksAgata [21]
Xylem is a type of vascular tissue that is responsible for moving water through a plant from its roots to its leaves. Columns of xylem tissue begin in the root hairs and rise all the way up through the leaves of a plant
6 0
3 years ago
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An experiment is designed so that you can observe the differences between
ludmilkaskok [199]

Control group

Explanation:

Experiments are usually designed so that the differences between the experiment and control groups can be observed.

  • The experimental group is the group that follows the details of the hypothesis where variables are changed to see their causes and effects.
  • The control group is the standard by which the experimental group is compared with.
  • The variables are being tested for in the experimental group to see how they are changing .

learn more:

Controlled experiment brainly.com/question/1621519

#learnwithBrainly

3 0
2 years ago
A tree of life depicting the hypothetical phylogeny of the three domains is shown above. A star is placed at the common ancestor
svlad2 [7]

Answer:

A

Explanation:

7 0
3 years ago
The drop in carbon dioxide in your blood that occurs when you hyperventilate is called hypocapnia. It signals a breakdown in the
daser333 [38]

Answer:

Blood cells

Explanation:

Hypocapnia refers to a situation whereby carbon dioxide is at a reduced level in the blood. This phenomenon is usually caused by deep/rapid breathing known as hyperventilation.

It signals a breakdown in the exchange of gases inside your blood cells where the stuff your body doesn’t want is swapped out for the stuff it desperately needs.

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