Living nature
Tell me if it helped
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias, literally "milky", a reference to the Milky Way.
Elliptical: These have a faint, rounded shape, but they're devoid of gas and dust, with no visible bright stars or spiral patterns. ...
Spiral: The Milky Way is one of the larger spiral galaxies. ...
Irregular: These are small, faint galaxies with large clouds of gas and dust, but no spiral arms or bright centers.
Answer:
1. <u>Phosphoribosyl</u> amine
2. <u>glycinamide ribonucleotide (GAR), a formyl group</u>
3. F<u>ormylglycinamide ribonucleotide (FGAR), an amino group</u>
4. C<u>arboxyaminoimidazole ribonucleotide (CAIR), an amino group.</u>
Explanation:
1. <u>Phosphoribosyl</u> amine will accumulate in bacteria that lack glycine.
2. The intermediate <u>glycinamide ribonucleotide (GAR)</u> will build up in the absence of tetrahydrofolate.
N10‑Formyltetrahydrofolate donates <u>a formyl group</u> to the substrate
3. F<u>ormylglycinamide ribonucleotide (FGAR) </u>will accumulate in the absence of glutamine.
Glutamine donates <u>an amino group</u>
4.<u> </u>The intermediate <u>carboxyaminoimidazole ribonucleotide (CAIR)</u> will accumulate when aspartate is lacking.
Aspartate donates <u>an amino group.</u>
In the case of carbon dioxide combined with water it would create carbonic acid resulting in acid rain
