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3 years ago

5

which process involves the movement of molecules across the plasma membrane from areas of high to low concentrations without any

assistance or energy from the cell?

1 answer:

Andrej [43]3 years ago

5 0

i think it is osmosis

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What determines the order of an mRNA sequence?

artcher [175]

Answer:

The sequence of nucleotides, coded in triplets (codons) along the mRNA, that determines the sequence of amino acids in protein synthesis. The DNA sequence of a gene can be used to predict the mRNA sequence, and the genetic code can in turn be used to predict the amino acid sequence.

Explanation:

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2 years ago

Which one of the following factors contribute to hypertension?

beks73 [17]

I believe:

- high blood pressure

- medical illnesses ( diblabetes, stroke)

- being obese

please vote my answer brainliest . thanks!

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3 years ago

Different microbes grow in a wide variety of environmental conditions; however, most have preferences for certain temperatures,

lesya692 [45]

Answer:

this is a TRUE statement.

Explanation:

Different microbes grow in a wide variety of environmental conditions; however, most have preferences for certain temperatures, pH, and atmospheric gases because although microbes are widespread in their occurrence,they are found almost everywhere,in the air,water,soil,food,decaying matter,oil deposits,in plants etc.

but their number and their types vary according to the locality and environmental conditions.

Although, some microbes are always present and contribute towards natural flora BUT besides this others are present in specific environments such as some in hot springs bearing very HIGH TEMPERATURE RANGES for example: <em>Thermus aquaticus.</em>

some of them inhabit the acidic or alkaline soil feeding on HUMUS.

Most of the microbes prefer ATMOSPHERIC GASES i.e some require oxygen for their survival .For example: <em>Pseudomonas.</em>

some don't require O2 for survival i.e <em>Spirochete.</em>

IN SHORT, most of the microbes have preferences for various environmental conditions.

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3 years ago

Give 2 ways that exposing non-pathogenic bacteria to antibiotics as a side effect of antibiotic treatment for a pathogen may inc

Airida [17]

Answer:

The resistance of the bacteria to antibiotics is increasing and the disease which were easily treatable using the antibiotics, are now incurable and bacteria becomes resistant.

The overdose and misuse of antibiotics Is a big concern of worry. Every time we use antibiotics, it will kill the bacteria which were sensitive but resistant bacteria will survive and starts growing and this process will increase the growth of the resistant bacteria upon the nest use of the antibiotics.

Also due to unawareness, the use of antibacterial tablets against viral infections also cause increase in resistance of bacteria against antibiotics.

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3 years ago

What happens to the temperature of a sample of matter as it changes from a liquid to a gas?

irina1246 [14]

All matter can move from one state to another. It may require extreme temperatures or extreme pressures, but it can be done. Sometimes a substance doesn't want to change states. You have to use all of your tricks when that happens. To create a solid, you might have to decrease the temperature by a huge amount and then add pressure. For example, oxygen (O2) will solidify at -361.8 degrees Fahrenheit (-218.8 degrees Celsius) at standard pressure. However, it will freeze at warmer temperatures when the pressure is increased. i think

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3 years ago

Read 2 more answers