Author Question: Below is a double stranded DNA composed of one strand containing 15N atoms and the other strand ... (Read 167 times)

ahriuashd · **on:** Jul 8, 2021

Question 1

At the isoelectric point, an amino acid has what charges?
◦ + and -
◦ none
◦ + only
◦ - only
◦ multiple charges

Question 2

Below is a double stranded DNA composed of one strand containing ¹⁵N atoms and the other strand containing ¹⁴N atoms. If the cell which contains this DNA is grown for one generation (replication) on ¹⁵N medium and then transferred to ¹⁴N media for a second generation, what would the resulting double stranded DNA molecules look like?

◦ Four molecules; each containing one ¹⁴N strand and one ¹⁵N strand.
◦ Two molecules; one with a ¹⁵N and a ¹⁴N strand, the other with two ¹⁴N strands.
◦ Four molecules; three containing one ¹⁴N strand and one ¹⁵N strand and one molecule with two ¹⁴N strands.
◦ Four molecules; one with two ¹⁵N strands, two molecules with two ¹⁴N strands, and one molecule with one ¹⁴N and one ¹⁵N strands.
◦ Four molecules; all molecules have ¹⁴N strands.

katheyjon · **Reply #1 on:** Jul 8, 2021

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 32% of students answer this correctly