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8090 [49]
3 years ago
8

List at least three important safety rules to follow when conducting science experiments or activities.

Biology
2 answers:
yanalaym [24]3 years ago
4 0
Wear safety protection, Make sure you have a fire extinguisher, Follow the instructions, Listen to the instructor/teacher
damaskus [11]3 years ago
3 0
* where safety goggles
* never play around
*do not eat drink or chew gum
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***please help.***
Fantom [35]

Answer:

1.  first part Gene expression is the process by which the instructions in our DNA are converted into a functional product, such as a protein. When the information stored in our DNA? is converted into instructions for making proteins or other molecules, it is called gene expression.  second part Double-stranded DNA consists of two polynucleotides that are arranged such that the nitrogenous bases within one polynucleotide are attached to the nitrogenous bases within another polynucleotide by way of special chemical bonds called hydrogen bonds.

2. Gene regulation is an important part of normal development. Genes are turned on and off in different patterns during development to make a brain cell look and act different from a liver cell or a muscle cell, for example. Gene regulation also allows cells to react quickly to changes in their environments.

3. Non-coding DNA sequences do not code for amino acids. Most non-coding DNA lies between genes on the chromosome and has no known function. Other non-coding DNA, called introns, is found within genes. Some non-coding DNA plays a role in the regulation of gene expression.

4 0
2 years ago
What instrument do we normally use in our labs at school to observe microscopic things?
Musya8 [376]

Answer:

A microscope!

Explanation:

A microscope is used to magnify objects that are too small to be seen by the human eye. I hope this helps! :)

6 0
3 years ago
If having the correct number of copies of each chromosome is so important, how is it possible that both female (with two copies
creativ13 [48]

Answer:

because they have nothing wrong wit them

Explanation:

5 0
2 years ago
Read 2 more answers
A population of 120 rabbits lives in a prairie ecosystem. Which of these might prevent this population from growing any larger?
natita [175]
 The prairie would become overpopulated and there would be no more food for the rabbits and they would eventually die. 
7 0
3 years ago
Read 2 more answers
The extra cellular matrix on most connective tissues is made up of predominantly fibers and what?
dalvyx [7]

Answer:

The correct answer will be- proteoglycans and the glycoproteins

Explanation:

The connective tissue forms a very large proportion of the total mass of a body. The connective tissue plays a distinct role in the body like the movement of the cell, mechanical support, wound healing but the main role is to connect different tissues of the body.

The property of the connective tissue is determined by the amount and type of the extracellular matrix present which contains three main components which are the fibres like collagen, glycoproteins and the proteoglycans.

Thus, proteoglycans and glycoproteins are the correct options.

6 0
3 years ago
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