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Lina20 [59]
3 years ago
11

Compare Carbohydrates and Lipids vs Proteins and Nucleic Acids. (What are the difference between the two groups). 6) Create a we

ek diet plan that includes all 4 macro-molecules.
Biology
1 answer:
Nataly_w [17]3 years ago
4 0

Answer:

ok

but give me pic of questions

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Which items are matter?
Murrr4er [49]

Answer:

everything is matter

Explanation:

6 0
3 years ago
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According to the chart, which substance has the lowest OH- concentration?
SVEN [57.7K]

The correct answer is option (B) lemon juice.

pH refers to the logarithmic scale used to indicate the acidity or basicity of an aqueous solution. It is the negative of the base 10 logarithm of the activity of the hydrogen ion. Solutions with a pH less that 7 are considered acidic and the solutions with a pH greater that 7 are considered to be basic. A pH of 7 is neither an acid nor a base and is considered neutral.

An acid has a high concentration of hydrogen ions (H+)  and a base has a low concentration of hydrogen ions. Higher the hydrogen ion concentration, pH is acidic. Among the given substances, lemon juice has a pH of 2, urine has a pH of 6, tomato juice has a pH of 4 and black coffee has a pH of 5.  Since lemon juice has a pH of 2, it has the lowest –OH ion concentration.

6 0
3 years ago
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The most important difference between primary cells and secondary cells is Select only the best answer: primary cells exhibit a
torisob [31]

Hi there! This question is a bit confusing.

Primary cells more of have one "star" quality; they are not rechargable. Think of them like a battery in a TV remote! You replace them, they can't recharge.

Secandary cells, though, can be electrically recharged! Like your phone battery, plug it in and a few hours later, full battery.

Your answer would be "Secondary cells are rechargable"

Have a great rest of your day!

4 0
3 years ago
Systolic blood pressure is the amount of pressure that blood exerts __________
andrey2020 [161]

Answer:

while the heart beats

Explanation:

Blood pressure of the heart is the pressure by which heart pumps blood through the arteries. Since the blood flow through the heart and arteries is pulsatile, there are two heart blood pressures: systolic and diastolic blood pressure. Normal systolic pressure is about  120 mmHg.

Diastolic blood pressure is the pressure of the blood between heartbeats (when heart is not active, relaxed). Normal diastolic blood pressure is about  80 mmHg.

3 0
3 years ago
Which types of molecules will easily pass through the fatty acid chains of the bilayer?
timofeeve [1]
There are two important regions of a lipid that provide the structure of the lipid bilayer<span>. Each lipid </span>molecule<span> contains a hydrophilic region, also called a polar head region.</span>
7 0
3 years ago
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