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fenix001 [56]
3 years ago
14

What should you do with its contents if you are done using a test tube?

Biology
1 answer:
umka21 [38]3 years ago
4 0
If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.
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Bacteria that are helpful in one place may be harmful in another.
kaheart [24]

Answer:

Bacteria that are helpful in one place may be harmful in another.

What information in the text supports this statement?

A Heliobacter pylori is a bacterium that causes gastritis (irritation or

inflammation of the stomach lining) and peptic ulcers, diseases which were once

thought to be caused by too much acid.

B Streptococcus salivarius appears to help prevent tooth decay in the mouth

but can be dangerous to people with weakened immune systems if it gets

outside the mouth.

Bacillus subtilis releases toxic chemicals to kill fungus, possibly including

Trichophyton interdigitale and other species that cause athlete's foot.

D Skin, which is our interface with the world, supports a large number of the

human body's most diverse populations of bacteria, including Bacillus subtilis.

Explanation:

3 0
3 years ago
"Bt maize"
Maurinko [17]

The correct is option (C) includes bacterial genes that produce a toxin that reduces damage from insect pests.

Due to advancements in plant biology, some plant species can now incorporate unique traits that are typically not found in their species. New and improved plant strains can be created using plant biotechnology. This technology is heavily utilized to advance agriculture.

A particular crystalline insecticidal protein is created by combining a specific gene sequence from the bacteria Bacillus thuringiensis with plants. Bt plant is a common name for these transgenic plants. One such transgenic plant that protects transgenic maize from damaging insects and pests is bt maize.

Learn more about maize here:-

brainly.com/question/28250112?referrer=searchResults

#SPJ4

3 0
2 years ago
Systematists have used a wide variety of traits to reconstruct the phylogenies of particular groups of organisms. Which one of t
NemiM [27]

Answer:

All of the above traits combined

Explanation:

Phylogeny is an evolutionary history of development of a certain species or taxonomic group.

The purpose of phylogenies is to represent evolutionary relationships among a group of organisms.

During the reconstruction of phylogenies. Systematists often use a variety of traits in order to produce a good estimate of a phylogeny.

The use of molecular traits, gross morphological traits, behavioral and biochemical traits  combined can give a good estimate of a phylogeny.

6 0
3 years ago
Which animal would display a j-shaped curve for its rate of oxygen consumption relative to its speed? sockeye salmon ground squi
Georgia [21]
I think it is Sockeye salmon
3 0
4 years ago
Read 2 more answers
What does c h o n s stand for
diamong [38]

CHON is a mnemonic acronym for the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen.

Hope this helps

7 0
3 years ago
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