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NeX [460]
3 years ago
5

Second layer of the cell membrane called

Biology
1 answer:
S_A_V [24]3 years ago
3 0
Is called the parietal layer
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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
Two species of meadowlarks have different mating calls that lead to reproductive isolation. What type of isolation does this exa
77julia77 [94]
Hi there!

The example of the meadowlarks is an example of behavioral isolation. This is because the mating call is a behavior the birds exhibit. This helps the birds to find their correct mate because though the birds look similar, they are not able to produce offspring.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
6 0
3 years ago
Read 2 more answers
Mammals do not live in the tundra, because the climate is too extreme. Please select the best answer from the choices provided T
Ivanshal [37]

my guess is False i think that is the correct answer, because their are mammals that live in the tundra.

5 0
3 years ago
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Which city had warmer summers (meteorological summer-June,July,August)?
jarptica [38.1K]
July is the warmest summer it has been proven by me and my fellow class mates.
6 0
3 years ago
What effect have at-home dna tests had on law enforcement? readworks.
Vlada [557]

DNA profiles from a crime scene can be entered into CODIS. Therefore, law enforcement officers have the ability to identify possible suspects when no prior suspect existed. This is the best i can do, I dont know about exactly "at home" tests.

3 0
2 years ago
Read 2 more answers
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