Answer:
The number of Golden Toads people saw declined from 1,500 to zero in such a short period of time. Scientists suspect that conditions related to climate change was the reason for their extinction
Chromatin
Chromosome, the highest packing level of DNA, is packed in nucleus. DNA strand itself is packed in chromatin. Chromatin is DNA packaging into 30nm fibers that involve DNA strand with scaffolding around DNA proteins, like histones, in eukaryotic cells’ nucleus.
Explanation:
The DNA strand is folded into nucleosomes, bead-like structures on the DNA and fold up into the 30nm fibers. During meiosis and mitosis, the chromatin is super-coiled up into thicker fibers called chromosomes. Chromosomes within the nucleus can be viewed by a light microscope in a cell in metaphase.
Learn More:
For more on levels of DNA check out;
brainly.com/question/8157150
brainly.com/question/2207292
#LearnWithBrainly
Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.
<h3>What is the causing agent?</h3>
This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.
<h3>How is it transmitted?</h3>
This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.
<h3>What are the symptoms?</h3>
Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.
<h3>How to prevent it or treat it?</h3>
Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.
Learn more about diphtheria in: brainly.com/question/13061650
#SPJ1
The answer for this question is B. Don't require a pre-inspection agreement
Hope I helped please branliest answer if possible
The “S” phase which is the phase of DNA synthesis
