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2 years ago

Which of the following contributes to antibiotic

1 answer:

4 0

Taking multiple antibiotics at the same time contributes to antibiotic resistance. Thus, the correct option is B.

<h3>What is Antibiotic resistance?</h3>

Antibiotic resistance may be defined as a process or strategy of microorganisms that generate the capability to conquer the drugs developed to annihilate them.

Overprescription of multiple antibiotics increases the ability of bacteria or other microorganisms to survive in harsh little conditions. Still, slowly they evolve themselves and resist the situation of the high effect of antibiotic resistance drugs.

Therefore, it is well described above.

To learn more about Antibiotic resistance, refer to the link:

brainly.com/question/7385027

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Manufacturing recombinant dna molecules involves cutting a gene from its normal location, inserting it into a circular piece of

Alex_Xolod [135]

Answer: Plasmid.
A plasmid is a small DNA molecule within a bacteria cell that is separated from the chromosomal DNA and can replicate independently. Through Recombinant DNA, we can insert a gene that we want to see replicated in the plasmid, and when the bacteria multiplies, which it does often, we will obtain a lot of copies of interest gene.

4 0

3 years ago

What is the explanation to this question?<br> Thank you!

kykrilka [37]

Answer:

the fish couldn't eat

Explanation:

some of the fish and plants feed off of plants out of water. by removing them, they lost their nutrients.

8 0

3 years ago

Coal is made from the remains of dead plants. It is made of carbon and other elements. Is coal a mineral?

BabaBlast [244]

Answer:

Yes, because is contains carbon

Explanation:

Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

7 0

3 years ago

In a plant, leaf color and leaf shape are controlled by two linked genes Leaves of the wild-type plant are red. A recessive muta

Brrunno [24]

Solution :

Red is dominant over the white leaves and pointed is dominant over smooth.

Red = R , white = r

Pointed = P , smooth = p

Red, pointed x white,smooth ------ Parents

RRPP rrpp

RP rp ----------------- Gametes

RrPp -------- $F_1$

(red, pointed)

When this $F_1$ is test crossed,

RrPp x rrpp ---- $F_1$ test cross

Gametes → rp

RP ---------- RrPp - red, pointed - 36 parental type

Rp ---------- Rprp - red, smooth - 14 re- combination

rP ----------- rrPp - white pointed - 10 re- combination

rp ----------- rrpp - white, smooth - 40 - parental type

Total = 100

As this ratio is deviating from 1:1:1:1, it indicated the two genes are linked.

Linkage strength = percentage of crossing over = map distance between the genes.

Percentage crossing = recombination frequency = percentage of recombination.

Recombination frequency $=\frac{\text{total no. of recombination}}{\text{total no. of progeny}}\times 100$

$=\frac{14+10}{100} \times 100$

= 24 %

= 24 map units

4 0

3 years ago

All the following are true of the movement of Earth's atmosphere except :

zheka24 [161]

Answer:

All are true of the movement of Earth's atmosphere except :

d. Warm air is less dense than cool air so it tends to sink towards the Earth's Surface.

Explanation:

When gases heat up, their volume increases and density decrease.
A decrease in density causes a substance to become lighter.
Thus, when air warms up due to heat from the sun its density decreases and it gets lighter.
So, it will move up.
The Cooler air in turn is denser and heavier so it will sink towards the Earth's surface.
Hence, the statement d , which states that 'warm air is less dense than cool air so in tends to sink towards the Earth's Surface' is FALSE.

5 0

3 years ago