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mario62 [17]
3 years ago
10

List three safety precautions you can take before entering the laboratory

Biology
1 answer:
mote1985 [20]3 years ago
7 0

The laboratory is full of chemicals and other hazardous substances. So, it is very important to keep all the safety precautions before entering in the laboratory to avoid any mis-happening.

Here are some precautions, which one should take before entering lab:

  1. Before entering the laboratory one must wear all the safety equipment including gloves, goggles, apron, and others.
  2. Make sure you are not wearing any inflammable thing and you are fully covered, as in some laboratory, harmful radiation are also present.
  3. Make sure your hair are tied in properly and the shoes are covered.

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1. : Help prevent molecules from passing through the extracellular space between adjacent cells.
Nataly_w [17]

Answer:(1) TIGHT JUNCTIONS

(2) DESMOSOMES

(3) GAP JUNCTIONS

(4) GAP JUNCTIONS

(5) DESMOSOMES.

Explanation: TIGHT JUNCTIONS also known as OCCLUDING JUNCTIONS are junctions present between adjacent cells,tight junctions prevent the passage of materials between the extracellular space of cells.

DESMOSOMES are adhesive intracellular junction connecting adjacent cells,they are also known as anchoring joints which are known to present in tissues where stress are expected.

GAP JUNCTIONS are junctions between cells which allows the movement of ions and small molecules and present in electrically exciteable tissues.

6 0
4 years ago
What would earth’s surface look like if earth did not have an atmosphere?
Dvinal [7]
Earth would basically look like the Moon; minus the craters, of course. This is because with no atmosphere to hold all of the Oxygen near the surface, all life would die off fairly quickly.
3 0
3 years ago
Match the following terms and definitions.
patriot [66]
<h2>(Answer 1 points 3)</h2><h2>A. Taxon</h2><h3>3. the categories used in classifying organisms.</h3><h2>Explanation:</h2>

In other words, we can also say that taxon is also known as a taxonomic group of any rank, such as a species, family, or class. It is a group of one or more than one different populations of an organism or the organisms viewed by taxonomists to make a system. These are the rules for naming new animals.

<h2>(Answer 2 points 3)</h2><h2>B. Taxonomy</h2><h3>1. the science of the classification of organisms.</h3><h2>Explanation:</h2>

A taxonomy is said to be a scheme of classification or in other words, we can also define the term taxonomy as the branch of science involved with classification, especially of organisms, systematics. Organisms are grouped together. This science of gives name, describe and classify the organisms including all the plants, animals and the microorganisms of the world.

<h2>(Answer 3 points 3)</h2><h2>C. Family</h2><h3>4. A taxonomic category containing a group of similar genera.</h3><h2>Explanation:</h2>

Family is the one that has been classified between order and genus. A family is also divided into the subfamilies. It is one of the eight main and important taxonomic levels. It is a primary taxonomic category of organisms ranking. This category comes on the sixth number of all the categories lies in a taxonomic group.

<h2>(Answer 4 points 3)</h2><h2>D. domain</h2><h3>2. The largest taxonomic category.</h3><h2>Explanation:</h2>

In the three-domain system of taxonomy, if we talk about the domain then we would define it as the superkingdom or empire. It can also be said to be as it is the highest taxonomic rank of organisms. It is a taxonomic category above the kingdom level. There are three domain such as Bacteria, Archean, and Eukarya, which we can say are the major categories of life.


4 0
4 years ago
A scientist wants to study the interactions of different birds in the southern part of a desert. What should the scientist do fi
Simora [160]
The answer IS A. maybe!
4 0
3 years ago
The elements in the boron family of the periodic table are known as:
Norma-Jean [14]
Alkaline earth metals
Group 13 aka the boron family is categorized as alkaline earth metals
4 0
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