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Dmitrij [34]
3 years ago
13

Statements: (1) In the tripeptide Gly-Ala-Ser, the amino acid at the N-terminal end is Ser. (2) More than one polypeptide chain

may be present in a conjugated protein but not in a simple protein. (3) In solution at physiological pH, the side chain of a polar basic amino acid bears a negative charge. a. All three statements are true. b. Two of the three statements are true. c. Only one of the statements is true. d. None of the statements are true.
Chemistry
1 answer:
belka [17]3 years ago
3 0
I think your answer is c not sure
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7944/0.024 = _______ give the answer to the correct number of significant figures?
In-s [12.5K]

Answer:

330,000

Explanation:

Since there are only 2 significant figures in 0.024 ( and 0.024 is the number with the least number of significant numbers), the answer is 330,000, not 331,000.

5 0
3 years ago
A solution containing an equal number of hydrogen ions and hydroxide ions isA. basicB. alkalineC. acidicD. neutral.
Goryan [66]

Answer:

Neutral (Option D)

Explanation:

[H₃O⁺] = [OH⁻]  → Neutral solution   pH = 7

[H₃O⁺] < [OH⁻]  → Alkaline / Basic solution   pH > 7

[H₃O⁺] > [OH⁻] → Acidic solution   pH < 7

5 0
3 years ago
Please help me<br><br><br> Thank you
Andreas93 [3]

Answer:

C

Explanation:

If you think about it treated sewage would have a certain place that it is put therefore C is the answer

5 0
3 years ago
Which phrase describes non-foliated rocks? only one!
irinina [24]

Answer:

include quartzite and marble

Explanation:

non-foliated rocks are

1. metamorphic rocks

2. they are formed in the surrounding of igneous rocks

3. The environmental condition of formation of non-foliated rocks are that temperature is very high

4. pressure is very low but equal from all direction on igneous rocks

5. The constituent material crystalizes to form large rocks in which atoms are tightly and closely packed. Due to this density of these rocks are also higher.

Example of such rocks are

Quartzite : Its  constituent material are mineral quartz and metamorphosed sandstone

Marble : its constituent material are mineral calcite; metamorphosed limestone

Hence, include quartzite and marble is the correct choice.

3 0
3 years ago
calculate the volume of air in liters that you might inhale(and exhale)in 8.0 hours. Assume that each breath has a volume of 0.5
maks197457 [2]
Formula:
0.57 liters = 1 breath(17 breaths = 1minute)(60 minutes = 1 hour)(8 hours) = 4651.2 liters

each breath is 0.57 liters
He or she exhales 17(0.57) = 9.69 liters in a minute
in an hour, he or she exhales 9.69(60) liters in a minute = 581.4 liters
Answer = in 8 hours he or she exhales, 581.4(8) = 4651.2 liters in 8 hours


Hope that answers your question!!!!have a great day!!!



6 0
3 years ago
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