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Q 1/25
Score 0
Many biosystems require hydrogen bonds. In other words,
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hydrogen shifts between molecules.
the hydrogen gives up an electron to another molecule.
the electronegative pole of one molecule attracts the electropositive pole of another.
hydrogen shares an electron with another molecule.
Q 2/25
Score 0
Carbon:
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(d) releases free energy when reduced.
(e) Both (b) and (c) are correct.
(c) releases energy when oxidized.
(b) possesses a large amount of free energy in a reduced form.
(a) absorbs energy when it combines with oxygen.
25 questions
Q.
Many biosystems require hydrogen bonds. In other words,
1
30 sec
Q.
Carbon:
2
30 sec
Q.
Entropy:
3
30 sec
Q.
A solution that has a pH of 5:
4
30 sec
Q.
L and D forms of a molecule:
5
30 sec
Q.
Chitin is essential for the call wall of which of the ff microorganisms?
6
30 sec
Q.
_________________ is the control center of the cell.
7
30 sec
Q.
The ff are true about eukaryotes, except:
8
30 sec
Q.
If a substance has a pH of 7 this is known as:
9
30 sec
Q.
The only neutral substance is ____________.
10
30 sec
Q.
The meaning of pH is:
11
30 sec
Q.
If a substance has a pH of more than 7:
12
30 sec
Q.
Which of the ff is associated with hereditary information?
13
30 sec
Q.
According to the Healthline website, One large egg (50 grams) provides 6.3 grams of ___________.
14
30 sec
Q.
The basic unit of heredity.
15
30 sec
Q.
Water occupies how many percent of living human cells?
16
30 sec
Q.
Water-loving substances are known as _______.
17
30 sec
Q.
The most important biochemical role of water is _________________.
18
30 sec
Q.
The following are true statements above the polar characteristic of water, except:
19
30 sec
Q.
Patient Gustavo is currently having his vacation in Maldives. One afternoon, he felt a sudden headache and dizziness. He then came to the nearest clinic in the island. Which of the ff is your suitable explanation for his situation?
20
30 sec
Q.
The source of energy in life processes is __________.
21
30 sec
Q.
This will quantify the most work that can be performed in a thermodynamic system while maintaining constant temperature and pressure.
22
30 sec
Q.
This process includes endothermic which is heat absorbing and exothermic which is heat releasing chemical reactions.
23
30 sec
Q.
The human body uses ____________ to make proteins to help the body to break down food, grow, & repair body tissue.
