Answer:
B
Explanation:
Cooling reduces the excitement of the molecules of the DNA hence allowing the hydrogen bonds between the base pairs of the two strands to form hence the DNA is considered to anneal. Heating disrupts the hydrogen bonds and causes the two strands to dissociate.
I can conclude about this microbial agent that it is gram-negative. They are bacteria.
<h3>What are gram-negative bacteria?</h3>
Gram-negative bacteria are a group of microbes that have a thin peptidoglycan cell wall.
Conversely, Gram-positive bacteria have a thick peptidoglycan coating, composed of around 30 layers of peptidoglycans.
The gram-negative bacteria include different microbial agents such as <em>Pseudomonas aeruginosa, Chlamydia trachomatis, Escherichia coli, </em>and <em>Yersinia pestis.</em>
Learn more about gram-negative bacteria here:
brainly.com/question/1194544
False. It's been proven in many studies to cause signs of aging such as wrinkles and weaker collagen in the face.
