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3 years ago

6. How can we decrease the amount of atmospheric CO.?

1 answer:

7 0

We can decrease the amount of atmospheric CO2 by:

1. Reduce, Reuse, Recycle.
2. Use Less Heat and Air Conditioning.
3. Replace Your Light Bulbs.
4. Drive Less and Drive Smart.
5. Buy Energy-Efficient Products.
6. Use Less Hot Water.
7. Use the "Off" Switch.
8. Plant a Tree.

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Question 10

stich3 [128]

Answer:

Explanation:

Actually the haemoglobin molecule consists of 2 parts, the haem which is a prosthetic group and the other globin which is a protein. So the haemoglobin as is a protein so, is arranged in quaternary structure of protein which contains 4 subunits. The subunits depend upon the organism whose haemoglobin is being talked about. So the normal haemoglobin found in red blood cells contains 2 alpha subunits + 2 beta subunits. At the centre of each subunit there is the haem part attached. To the centre of haem the Fe3+ ion are present which actually attaches to 1 Oxygen molecule. So as 4 subunits are present and each subunit has 1 Fe3+ ion, so total 4 Oxygen molecules can bind to the 1 Hb molecule!!

4 0

3 years ago

I’m stuck and need help please .

N76 [4]

12-A
15-B
11-C
6-D
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3 0

3 years ago

Correctly label the parts of the water cycle. Make sure to indicate in your answer which part you are labeling by using the numb

zheka24 [161]

1 condensation 2 precipitation 3 runoff 4 evaporation.

6 0

3 years ago

La insulina tiene un efecto hiperglicemiante?

tia_tia [17]

Explanation:

to be honest I'm not sure how to do

4 0

3 years ago

DNA Replication Assignment

dem82 [27]

Answer:

This question is asking to do the following:

Replicate the DNA sequence

Transcribe the complementary DNA into mRNA

Translate the mRNA codons into amino acid sequence

Give the function of mRNA

Please find the detailed answer to this question below

Explanation:

- DNA replication is a process whereby the content of DNA (genetic material) is doubled i.e. duplicated. In other words, another copy of DNA is made from one a DNA template. The principle of DNA replication follows the complementary base pairing rule i.e. A-T, G-C

Original DNA template- A T G G G T C T A G C G A A A G A T

After DNA replication-

Complementary DNA strand- T A C C C A G A T C G C T T T C T A

- Transcription is the process whereby a DNA template used to synthesize a mRNA strand. In this case, the complementary DNA sequence above will be transcribed into a complementary mRNA sequence. Note that Uracil replaces Thymine in RNA.

Complementary DNA strand- T A C C C A G A T C G C T T T C T A

After transcription

mRNA strand- A U G G G U C U A G C G A A A G A U

- Translation is the process by which a amino acid sequence is synthesized from a mRNA sequence. The sequence of the mRNA is read in a group of three bases called CODON. Each codon specifies an amino acid. In this case; the mRNA sequence is A U G G G U C U A G C G A A A G A U

After translation using the genetic code, the amino acid sequence is:

Methionine- Glycine- Leucine- Alanine- Lysine- Aspartic acid

Note:

AUG codes for Methionine (Met)

GGU codes for Glycine (Gly)

CUA codes for Leucine (Leu)

GCG codes for Alanine (Ala)

AAA codes for Lysine (Lys)

GAU codes for Aspartic acid (Asp)

- mRNA, which means messenger RNA, is a type of RNA molecule whose major function is to transport genetic information out of the nucleus into the cytosol in order for translation to take place. In contrast to DNA, which is a storage molecule, mRNA is a transporting/carrier molecule that encodes genetic information.

6 0

2 years ago