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AleksAgata [21]
3 years ago
10

Choose a mammal in each group, monotreme, placental mammal, and marsupials. Write a paragraph description of each mammal and inc

lude a drawing of the mammal.
Biology
1 answer:
MrRa [10]3 years ago
7 0

Answer:

a primitive mammal that lays large yolky eggs and has a common opening for the urogenital and digestive systems. Monotremes are now restricted to Australia and New Guinea, and comprise the platypus and the echidnas.

Explanation:

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Andrews [41]

Answer:

What the scientist is doing incorrectly is disposing of a chemical or biological waste in the common sewer.

Explanation:

One of the most important biosecurity measures is the proper disposal of chemical and biological waste. What the shown scientist is doing incorrectly is disposing of potentially harmful substances in a normal sewer.

<h3>What could he do to make their work in the lab safer? </h3>

The main thing that must be done to maintain a safe laboratory is to perform proper disposal of chemical or biological waste, which must be placed in airtight containers and transported to a location for safe disposal.

  1. <em>Chemical waste is usually taken to a landfill where it can be neutralized. </em>
  2. <em>Biological waste is transported to incinerators for complete disposal. </em>
<h3>Why is it important to follow these procedures? </h3>

Following these procedures is important to avoid chemical or biological contamination of both the environment and people.

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True or false? cell death normally does not occur unless there has been an injury to the cell.
Evgen [1.6K]

The statement 'cell death normally does not occur unless there has been an injury to the cell' is false.

A cell can be described as the basic building block of life. All living organisms are known to be made of cells.

There are various reasons that a cell might die. A cell might die when its function is over. A cell might also die for the formation of other structures in the body. For example, the formation of an outer layer of the skin requires dead cells. A cell might kill itself if it has no use or finds that it has been invaded by an antigen.

Hence, the statement that cell death occurs only due to injury is false as cell death can occur due to various other reasons.

To learn more about cell death, click here:

brainly.com/question/4485739

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Topoisomerase is the enzyme that can be added to correct the untwisting that is led to strain ahead of the replication fork. 
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