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Dafna1 [17]
3 years ago
10

A Bunsen burner is used for heating in a laboratory. Which safety procedure is important to follow when using a Bunsen burner?

Biology
1 answer:
vodka [1.7K]3 years ago
6 0
Make sure you do not have any loose clothing and tie up your hair if you have long hair
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What might be some challenges of working in a forensic biology lab?
OleMash [197]

Answer/Explanation:

  • You would have to be very careful of cross-contamination. That means you would have to work very carefully and precisely with protective clothing, ensuring that none of your DNA (from skin or hair or even trace) gets into the sample you are working with
  • You would have to be very careful to check and record samples properly to ensure nothing got mixed up or mislabeled and this could be disastrous for criminal cases
  • All the material is very precious and sometimes only one sample exists, so you have to avoid making any mistakes. Experiments can't always be repeated.
5 0
3 years ago
The autonomic nervous system is involved in controlling what effectors?
Kisachek [45]

The autonomic nervous system is involved in controlling  a, c, d, e.

what is the Autonomic nervous system?

The peripheral nervous system's autonomic nervous system (ANS) is in charge of regulating critical processes like digestion, breathing, and heartbeat. In the acute stress response, it collaborates with the endocrine system to get the body ready for fight or flight.

Between the central nervous system and the internal organs, the autonomic nervous system acts as a relay. It regulates the exocrine and endocrine glands, smooth muscle, the heart, the lungs, and the heart. These organs are mostly under the autonomic nervous system's control, which is unconscious.

Hence from the above information, we get to understand that ANS helps to control systems, not in our control hence it will regulate all the given options except skeletal muscles as they are under control.

To learn more about ANS visit the link:

brainly.com/question/11097861?referrer=searchResults

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5 0
2 years ago
Color-blindness is an x-linked recessive condition. a man with normal vision is married to a woman with normal vision, but whose
pentagon [3]
Since color blindness is a sex-linked recessive genetic disorder, it is carried by a X chromosome. Males (XY) are affected if they get the affected X from their mother, since males only have one X, and it is therefore always expressed. Females (XX), however, get one X from their mother and the other from their father. So both parents have to pass a color blind X to be affected (both alleles, by the definition of recessive).
Even though the mother is not affected, she's carrying it because her father was color blind. And the father is not affected. However, in Turner's Syndrome, one X is destroyed after fertilization, so the other X is the daughter's primary (only remaining) X. Note: Turners only affects females. Therefore, this is a rare situation in which a daughter gets affected by an X-linked recessive condition.
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3 years ago
Which statement is true about crossing over of genes?
irina1246 [14]

B is the correct answer Crossing over does not occur between genes

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4 years ago
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Animals are motile because they have:
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C. nerves and muscle fibers
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