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VMariaS [17]
3 years ago
7

What are the two main categories that all water can be classified into?

Biology
1 answer:
poizon [28]3 years ago
4 0

taper watwe mineral water

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What types of materials pass through the cell membrane using structure d?
sashaice [31]

Answer:

B. Charged Particles and Ions

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Assume that the growing polypeptide chain of amino acids being produced represents an enzyme humans use to help digest starch. T
arlik [135]

Answer:

B) nuclei of gland cells.

Explanation:

DNA carries the blueprint for the production of all the proteins including enzymes in human beings. Humans are eukaryotes and their DNA is present in the nucleus of their cells. All the cells that make the complex human body are derived from division in the zygote and therefore, are genetically identical and have the same DNA.

However, gene expression is regulated by the expression of specific genes in specific cells and at a different time of developmental stages. Amylase is the enzyme that digests starch in humans. Amylase is secreted by salivary glands. So, the nuclei of these glands would have genetic information for the synthesis of amylase.

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When did grass evolve?
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You've been experiencing acid indigestion lately, and you'd like a quick fix for the problem. You do a little research on the In
Licemer1 [7]

Answer:

<em>C: After 1 hour, the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3</em>

Explanation:

The degree of acidity or alkalinity/basicity of a substance is its pH. The value of pH ranges from 1 to 14 with the former being extreme acidity and the latter being extreme alkalinity while pH 7 is considered neutral.

Hence, any pH below 7 is considered acidic and above 7 is considered alkaline.

Reactions involving equal volumes of an acid and a base can end in acidic, alkaline or neutral pH depending on the strength of the acid/base involved;

  • Equal volumes of strong acid with strong base will result in neutral pH
  • Equal volumes of weak acid with strong base will result in alkaline pH
  • Equal volume of strong acid with weak base will result in acidic pH

If substance A and B reacts with equal volume of the same acid under the same condition and the end result of A is a solution with pH of 9.2 and that of B is a pH of 8.3, it simply means substance A is a stronger base than substance B.

<em>Hence, the only outcome that supports the hypothesis that a tablet of PEPCID AC can neutralize more stomach acid than a tablet of Alka-Seltzer is that the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3 after being subjected to the same condition.</em>

If an indigestion is due to excess stomach acid, the only way to reduce the acidity is to consume a substance that will decrease the degree of acidity in the stomach. This means that the patient will need to consume something that is alkaline in order to increase the pH.

8 0
3 years ago
PLEASE HELP WOTH BIOLOGY!! WILL GIVE BRAIN!!
fenix001 [56]

Answer:

D/4

Explanation:

Hom-zygous recessive is both genes are recessive/tt

Hom-zygous dominate is both genes are dominate/TT

Heterozygous is 1 gene is dominate the other is recessive/Tt

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