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insens350 [35]
3 years ago
14

PLEEEEEEEEEASEEEE HEEELLLLPPP...!!!

Biology
2 answers:
AlladinOne [14]3 years ago
6 0

the answer is a) circulatory system

Lerok [7]3 years ago
5 0

The Respiratory organ system

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Which of the following can be used as lamp oil?
djyliett [7]

Answer;

-The most appropriate answer is Lipids

Explanation;

-Lipids is among the four biological biomolecules, the others being proteins, carbohydrates and nucleic acids.

-Lipids are made up of fatty acids and glycerol and are composed of elements carbon, hydrogen, oxygen and they may also contain phosphorus, like in the case of phospholipids which are mainly components of the cell membranes.

-They take two forms, namely; fats and oils. Therefore, the oil form of lipid may be used as lamp oil.



8 0
3 years ago
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A university is building a new student center that is one third the distance from the arts center to the
MrMuchimi

Explanation:

A university is building a new student center that is one third the distance from the arts center to the Academic.

6 0
3 years ago
Many scientist are concerned that the Ogallala aquifer in the United States is being depleted at an alarming rate. What would mo
Reil [10]
This can cause other organisms that relay on this specific aquifer to find other sources of water or die. 

<span>An aquifer is actually an underground layer of water that contains permeable rocks, gravel, sand etc. the water can be brought to the surface by making a water well. Hydrogeology is the study of aquifers and the way of water flow in the aquifers. The depth of the aquifers differs from area to area and the aquifers that are closest to the surface are used for drinking and irrigation purposes. </span>
3 0
3 years ago
Is ribosomes in plant or animal cells
lawyer [7]
There are just in plant cells hope this helps
3 0
3 years ago
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Which antibiotic was not effective against E. coli? neomycin, penicillin, erythromycin, ampicillin
qaws [65]

The antibiotic called ampicillin was not effective against E.coli.

Answer: D

Explanation:

E.coli is normal microbial flora which is present in the gut of the mammals.

It is gram negative bacteria and very few strains of this bacteria causes harm.

Antibiotics are the chemical drugs which are used to treat the microbial infection either by killing the causative organism or by its growth inhibition.

Antibiotics such as neomycin, penicillin and erythromycin are usually used to treat E.coli infection.

Antibiotic such as Ampicillin is not used as the bacterium E.coli is highly resistant to it.  

6 0
3 years ago
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