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likoan [24]
3 years ago
11

What is a function of a protein marcomolecule?​

Biology
1 answer:
Furkat [3]3 years ago
6 0

Answer:

Proteins are a class of macromolecules.

Explanation:

Proteins are a class of macromolecules, that can perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers or as hormones. The building blocks of proteins are amino acids.

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A slice of pizza has 500 kcal. If the pizza is burned and its heat is used to warm a 50-L container of cold water, what would be
Vinvika [58]
Given:
The heat content of the pizza is  Q = 500 kcal 
The volume of the cold water is V = 50 L
The mass of a liter of cold water is 1 kg.

Calculate the mass, M,  of cold water.
M = (50 L)*(1 kg/L) = 50 kg 

The specific heat of water is
c = 4.184 kJ/(kg-K)

Also,
1 kcal = 4184 J, therefore
Q = (500 kcal)*(4184 J/kcal) = 2.092 x 10⁶ J

Let ΔT = increase in temperature of the cold water, °C (same as K).
Then
Q = M*c*ΔT
or 
ΔT = Q/(M*c)
\Delta T =  \frac{(2.092 \times 10^{6} J)}{(50 \, kg)(4.184 \times 10^{3} \,  \frac{J}{kg-K)}) } =10 \,K=10 \,^{o}C

Answer: The temperature increases by 10 °C (or 10 K)
4 0
3 years ago
6. Marty Martian recently met Melissa Mercury online.
erastovalidia [21]

Answer: there is a 50% chance that they will have kids with blue hair and 50% chance they would have a blue body

Explanation:

4 0
2 years ago
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Where are endocrine glands found?
NISA [10]
They are found in the body
6 0
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Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide
mr Goodwill [35]

The question is incomplete as it does not have the options which are:

(a)DNA (b)tRNA (c)rRNA (d)mRNA

Answer:

Option-mRNA

Explanation:

The mRNA is synthesized from the DNA and which is also a type of nucleic acid. When the nucleic acid is extracted from the yeasts and then mixed with the resin beads to which the polynucleotide with thymine base oar is attached.

The mRNA will bind to the resin bead as the mRNA after synthesis undergoes modification and attaches poly A tail to the end of the mRNA at 3' end.

This poly-A tail has adenine which easily binds to the thymine and thus mRNA easily attaches to the resin bead.

Thus, mRNA is correct.

5 0
2 years ago
This is science <br> the question is what caused the jelly population to increase.
vampirchik [111]

Answer:

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Explanation:

here

7 0
2 years ago
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