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sweet [91]
2 years ago
15

15. The movement of molecules in a fluid or gas from a region of higher

Biology
1 answer:
lora16 [44]2 years ago
8 0

Explanation:

in gases it is called diffusion:)

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What is the role of a lipid molecule, which atoms make up most lipids, how does the lipids structure relate to its function.
Alisiya [41]

Answer and explanation;

-All lipids contain carbon, hydrogen, and oxygen. Some of them also contain nitrogen and phosphorus. The four main classes of lipids are fats, waxes, sterols, and phospholipids. Fats are triglycerides.

-The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.

-Lipids are water-insoluble (hydrophobic), and this property is put to great use in the organisation of cells and tissues.

For example; phospholipids are a class of lipids that is amphipathic; that is it contains fatty acid tails that are hydrophobic, and a phosphate head that is hydrophilic. This means the phosphate group will orientate itself towards water and away from the rest of the molecule, and also gives rise to the special properties that allow phospholipids to be used to form membranes.

5 0
3 years ago
In 2019, the United Nations assembled a team of scientists to conduct the biggest ever study of
sashaice [31]

Answer: Climate change

Explanation:

UN Climate Action Summit 2019 was organized in 2019 to discuss the domain of global climate change research. According to this dangerous impact of climate will influence the growth of new generations to come. This included various participating organizations like World Meteorological Organization, Panel on Climate Change, Earth league and global framework, UN Environment, Global carbon project and others.

8 0
3 years ago
Natural selection is most likely to happen to have different effects on organisms with which pairs of alleles
love history [14]
D is the answer (Aa and aa ) i hope this helps 

8 0
3 years ago
Read 2 more answers
Ampicillin is a member of the penicillin family of antibiotics. what would happen to ampr bacterial strains if they were streake
artcher [175]

The amoxicillin and the ampicillin are known to degrade the cell wall. both of these antibiotics have β- lactam in their structure. The structure of the ampicillin and the amoxicillin is similar having a single difference at the 4th position of benzene ring. The structure of the amoxicillin have an addition OH or hydroxyl group at the 4th position in the benzene ring.

As the structure of ampicillin and amoxicillin is similar, the bacteria having ampicillin resistance can also show amoxicillin resistance.

MODE OF ACTION OF AMOXICILLIN:

The amoxicillin binds with the pencillin binding proteins, present in the bacterial cell wall. The binding of the amoxicillin inhibits the enzyme transpepetidase, which is an important enzyme for the synthesis of the cell wall. it also inhibit murine hydrolases and inhibit the assembling of cell wall.

The amoxicillin effects the cell walls of the bacteria, as the animals cells do not have cell wall, they only have a cell membrane, the increase in the dose would not effect the animal cell.

4 0
3 years ago
Many organisms get energy by eating other organisms.
Zepler [3.9K]
A predator is an organism that hunts and kills prey for food
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3 years ago
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