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RUDIKE [14]
3 years ago
9

The scientist eventually observes the cells undergo a sudden and radical shift in their structure/shape and their motility (abil

ity to move). He asks himself questions about what is causing this shift in behaviors and begins to design an experiment to determine the answer. Briefly describe how the scientist practiced both the exploration and testing aspects of scientific inquiry
Biology
1 answer:
Ostrovityanka [42]3 years ago
8 0

Answer:

The scientist raises a question about cellular phenomena that is tested by a hypothesis-led procedure, and the resulting information may then be used to find the reasons for his observations

Explanation:

The scientific method is a rigorous process that involves a series of steps: 1-to make observations about the real world, 2-to ask a question related to these specific observations, 3-to raise a working hypothesis, 4- to test the hypothesis, 5-to analyze the results and 6-to obtain conclusions (i.e., reject or confirm the hypothesis). In the scientific method, a scientific question must be measurable, defined and testable. Moreover, the scientific hypothesis must be a well-defined and coherent conjecture which is tested by experimental or observational procedures in order to seek answers to the scientific question.

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The nucleoside analogue acyclovir, which is used to treat herpes simplex virus (HSV) infections, lacks a 3′ hydroxyl group (–OH)
Dima020 [189]

Answer:

There won't be any functional viral DNA synthesis

Explanation:

First of all, you must consider that the HSV has a double-stranded, linear DNA genome. Furthermore, the DNA skeleton is made of the 5'-3' phosphodiester bond. In other words, the 5-phosphat of a nucleotide will bond the 3' OH of the Deoxyribose (see image).

Therefore, if you add a molecule which lacks the 3' OH, such as acyclovir, and has a similar chemical structure to a regular nucleotide, the DNA polimerase will be able to add acyclovir to the main backbone of the viral genome. All in all, you'd be ''cheating'' the DNA pol.

Hence, wherever acyclovir was integrated, there won't be any chance to form a 5'-3' phosphodiester bond. The protomolecule will not be stable and will soon be degradated.

6 0
4 years ago
What is true about prokaryotic cells?
sweet-ann [11.9K]

Answer:

they have a nucleoid.

Explanation:

Unlike eukaryotes, they do not have a separated nucleus or organelles bound inside a membrane, so they have to keep their DNA and other genetic materials within a nucleoid.

3 0
3 years ago
Read 2 more answers
Can someone help w this (its more than 1 answer)
EastWind [94]

Answer:

All of the above.

Explanation:

Technically, all of the answers stated are true.

i hope this helps and good luck!

6 0
3 years ago
Stions
mote1985 [20]

Answer:

D or A I think it might be D but maybe A

6 0
3 years ago
Which immunization is available to prevent communicable disease and illness? Question 11 options: sinus infections ear infection
dalvyx [7]

The  immunization that is available to prevent communicable disease and illness is chicken pox.

Communicable diseases are diseases that can easily spread from person to person especially through contact with infected persons. Immunization is the process of preventing the spread of diseases by giving vaccines.

A common communicable disease is chicken pox. Hence, the  immunization that is available to prevent communicable disease and illness is chicken pox.

Learn more about communicable disease: brainly.com/question/943439

7 0
3 years ago
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