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Ede4ka [16]
3 years ago
6

If earth is considered a " closed system "

Biology
1 answer:
blsea [12.9K]3 years ago
6 0

idk idk figure it out

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Describe the effects of the various antibiotic drugs you used. Were they all equally effective at controlling bacterial growth?
Kipish [7]

Answer:

Basically, most   antibiotic drugs  are not  effective in controlling bacterial growth. The potency of any antibiotic drugs is a measure of the magnitude of  diameter of the  bacterial growth . <u>This is because the diameter   is the measurement of the bacterial growth around the antibiotic drugs used to control it multiplication, and therefore a  measure  of how effective  it  can controls the population</u> Thus a small diameter around the antibiotic agent is a proof that it suppressed the growth effectively and can effectively be used to control  the bacteria, While  a large diameter is an indication of low effectiveness of the drug.

Based on this analogy, penicillin with wide usage for control  of bacteria growth  with  diameter of 3mm, is the most effective antibiotic drugs.However, Erythromycin which is also widely used control growth with diameter of 5mm  or 6mm depending on   type of bacterial.

Therefore, the least 3mm  diameter presented by penicillin is an indication that , antibiotic drugs  are not effective enough, and further research need to be done to control growth of bacteria and therefore its   pathogenic  effects.  

Explanation:

8 0
3 years ago
How much faster does sound travel in the ocean than in the rain forest?
Greeley [361]
Hi there,
Speed of sound in water is approximately 1500 meters per second (the exact speed depends on the depth of water and its density) and the speed of sound in air is approximately 340 meters per second. So sound is almost 4.4 times faster in water than in air. I hope this helped :)
8 0
3 years ago
Acute rhinitis is known as the common cold because it is just that—common. Reflect back on the times when you’ve gotten a cold.
Jet001 [13]
I’m your teacher and you shouldn’t put questions that are personal
4 0
3 years ago
After a natural disaster such as a hurricane or a drought a population
GREYUIT [131]
After A Natural Disaster , Population Usually Decreases Due To Death Or People Fleeing From Their Home .
3 0
3 years ago
Suppose that after the cell below undergoes meiosis i and meiosis ii, the result is one gamete with two chromosomes, two gametes
lianna [129]
<span>The correct answer for the question is Non-disjunction. Non-disjunction occurs in cell division when chromosomes do not divide properly. It can occur during mitosis, meiosis I and meiosis II. In mitosis it occurs when sister chromatids fails to separate in Anaphase. The result is that one cell receives both chromatids, while the other receives neither. Each daughter cell then has an abnormal number of chromosomes when mitosis is complete; one cell has an extra chromosome, while the other is missing one. In anaphase of meiosis I, it happens when a pair of homologous chromosomes does not separate. In meiosis II, it happens when a pair of sister chromatids fails to separate properly during anaphase of meiosis II, one daughter cell will have an extra chromosome and one daughter cell will be missing a chromosome.</span>
7 0
3 years ago
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