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sleet_krkn [62]
4 years ago
6

Which plants are usually the first to grow during secondary succession?

Biology
1 answer:
BartSMP [9]4 years ago
4 0

Answer:

Ferns

Explanation:

The first species to colonize are usually fast growing herbaceous plants, such as conifers or ferns, which require high levels of light.

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Why is it important that the phospholipid bilayer be both hydrophobic and hydrophilic?
Vesnalui [34]

It is important that the phospholipid bilayer is both hydrophobic in the surface and hydrophilic inside to control and manage the incoming organic compounds mainly water from exceeding the needed amount or destablizing the concentration established by the cells.

Hydrophilic is a characteristic of an object which is attracted to water or can synthesize with water. In contrast to hydrophobic like fats, oils and lipis which has a strong aversion and dislike to water molecules.

Transmembrane proteins are found in the plasma membrane. Hydrophilicregions are embedded within the membrane, and Hydrophobic regions project from both surfaces of the bilayer. 

Approximately 20-80% of the cell membrane is composed of lipids, the rest, is made up of protein. The lipid layer of the membrane gives it flexible and permeable characteristic. While the protein part assists in transport of molecules it needs to survive.

8 0
3 years ago
Which component decreases the activation energy of a chemical reaction?
BabaBlast [244]

Answer:

Presence of an enzyme

Explanation:

Enzymes are the biomolecules present in cells. The enzymes serve to catalyze the chemical reactions that occur inside the cells. Enzymes speed up the rate of the chemical reaction and allow the formation of products at a fast rate. This is done by lowering down the activation energy that is required to begin a chemical reaction. This energy breaks down the older bonds present in substrates so that new bonds can be formed. Enzymes lower down the activation energy to speed up the reactions.

4 0
3 years ago
Which type of information is pseudoscience based on?
abruzzese [7]
The answer is unsupported claims.

Pseudoscience is not actual science. While science is based in logical reasoning, pseudoscience consists of statements, beliefs, or practices that don't have evidence to support them but they claim to be scientific and factual (some examples: homeopathy, geocentrism, reiki, flat earth theory)

5 0
4 years ago
Read 2 more answers
1. Explain how a bacteriostatic antibiotic is useful even if it does not result in the death of the pathogen.
AlexFokin [52]

Answer:

1- the bacteriostatic effect refers to the fact that they stop the metabolism of pathogenic bacteria, which means that they do not reproduce, do not colonize and do not generate the disease.

Bacteria in order to trigger a pathogenic response need to comply with their metabolism and this does not happen in the bacteriostatic effect.

2- Broad spectrum antibiotics where the patient's life is at risk, difficulty swallowing or breathing, and in infections that involve many planes or we are facing an extremely complex buofilm.

Low-spectrum antibiotic, in mild, focal infectious diseases that do not compromise the systemic factor and are suspected of simple or little complex pathogens.

3-Through mechanisms and virulence factors that are transmitted between them. One mechanism is sporulation, the change of essential metabolite, among others.

4- Prevents the spread and resistance because it reduces the bacterial load of pathogenic bacteria that in the future could form bacteruphages.

Explanation:

Broad spectrum antibiotics cover many bacteria, that is, they kill many bacteria of different families and even characteristics, while low spectrum antibiotics are the opposite.

8 0
4 years ago
When water is diffused across a selectively permeable membrane, scientists refer to that as...
Grace [21]

osmosis

hope this helps :)

4 0
3 years ago
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