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earnstyle [38]
3 years ago
12

You are in the lab and notice another student applying cosmetics, why is this dangerous and not allowed in a lab?

Biology
1 answer:
ra1l [238]3 years ago
6 0

Answer:

sorry i don't known

Explanation:

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Which enzyme is mixed with a DNA sample before gel electrophoresis
Svetach [21]

Answer:

Restriction enzyme

Explanation:

  • Gel electrophoresis is a process or a technique in which fragments of DNA  are separated in terms of their sizes.
  • <em><u>The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.</u></em>
  • When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.
4 0
3 years ago
The currently used binomial nomenclature was developed by _____.<br> a. Rayb. Linnaeusc. Aristotle
Harlamova29_29 [7]

The correct answer is option b. Carolus Linnaeus.

The binomial nomenclature also known as binary nomenclature refers to a general system of naming species of living things by providing each a name comprising of two parts, in this Latin grammatical words are used.

Such a name is known as a binomial name or a scientific name. The initial part of the name demonstrates the genus to which belongs the genus, while the second part; the specific name demonstrates the species within the genus.

6 0
3 years ago
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Which form of training considers the special needs of individual food handlers?.
sammy [17]

One on one training is the form of training which considers the special

needs of individual food handlers.

<h3>What is Training?</h3>

Training involves teaching individuals different practices about a certain

topic to ensure smooth execution of tasks.

Individuals have different needs which is why a One on one training is

necessary to ensure that adequate teachings are given in order to tackle

their special needs.

Read more about Training here brainly.com/question/17508016

8 0
3 years ago
In nature during 24-hour period what substance do green plants continuously use
almond37 [142]
<span>Plants take in oxygen all the time for respiration.
Photosynthesis which begins by combining water and CO2, continues in the "dark phase" in making the glucose molecule. Light is not used for this part of the reaction so it is called dark , because light is needed for the first part.
</span>
4 0
4 years ago
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Which value is being measured in the columns labeled fraction remaining and percentage remaining
ahrayia [7]

<u>Question</u>:

Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”?

  1. years of decay
  2. quantity of energy
  3. number of stable atoms
  4. amount of material that has not decayed

<u>Answer</u>:

"Amount of material that has not decayed" being measured in the columns labelled "Fraction remaining” and "Percentage remaining”

<u>Explanation</u>:

The table shown below having explains about the half life , the  amount of sample in both fraction and percentage. The first column named half life elapsed tells  us the the number of half life that that is completed. Half life is the time taken for an element to reduce or decay into half of its initial amount.

The fraction remaining column gives the amount of sample that is left behind  after the half life particular number of half life has completed.  similarly the percentage remaining column gives the amount of sample in percentage. For example, the 5th row tells us that after 4 half life is over \frac{1}{16} th of the sample remained. In percentage it is 6.25%

6 0
4 years ago
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