Answer:
D. an entire chromosome is added to a chromosome set
Explanation:
The rest of these are mutations in the DNA sequence
C planting more vegatation
Answer: 320 phosphate groups.
<u>Each nucleotide of DNA contains one phosphate group attached to it</u>.Therefore if there <u>were 160 nucleotides in a strand;,definitely each nucleotide of the strand must contain one phosphate group, therefore 160 phosphate groups. must be present.</u>
However, a DNA molecule must contain double strands, therefore 160 multiplied by 2 should give 320 phosphate groups in the alien DNA.
Explanation:
Answer: Every microbiologist eventually has to grow bacteria in the lab. Bacterial culturing is the process of growing bacteria.The media must contain everything the bacteria need to survive and can be liquid or solid. Agar is added to hot liquid media to make a gel used for culturing in plates, tubes, slants, and stabs.
Explanation:
External respiration hope this helps
