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Anastaziya [24]
3 years ago
12

Why don't antibiotics kill humans as well as bacteria??

Biology
1 answer:
pentagon [3]3 years ago
7 0
Antibiotics work by affecting things that bacterial cells have but human cells don't. ... The antibiotic penicillin works by keeping a bacterium from building a cell wall. Bacteria and human cells also differ in the structure of their cell membranes and the machinery they use to build proteins or copy DNA.
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In 2004, scientists announced the discovery of the fossil remains of some extremely short early humans on the Indonesian island
Alex

Answer: The most accepted guess is: By bamboo rafts.

Explanation:

There are two hypotheses.

The first is that they arrived on Flores as Homo erectus and then evolved to Homo floresiensis. The second is that they were already Homo floresiensis when they arrived. This second one is the more accepted hypothesis because it would take organization and language to accomplish this technological water transportation feat. Homo erectus is not known to have developed speech.

Now at the time this transport was estimated to have happened, 100000 years ago, the islands of Komodo and Flores were joined and visible from the mainland. Together they constituted a 19km wide straight visible that could be easily seen from the mainland. The Homo floresiensis tribes built bamboo rafts, or possibly some other floating apparatus made if wood, and sailed there. The islands then progressively drifted apart, isolating them.

PS: It is important to note that some things may have drove them there such as famine, violence, etc.

8 0
3 years ago
The integumentary system passes information from stimuli to the ___ system
TEA [102]
The answer is the nervous system.
Hope this helps!
6 0
3 years ago
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What are the genotypes of the parents? I'm guessing it's Yy and yy, but I'm not exactly sure.​
svet-max [94.6K]

Well since the capital letter is dominate and always takes power and the lower case letter is recessive doesn't take power. It would be 50%.

The answer would be Yy and yy :D

3 0
3 years ago
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The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves
Ganezh [65]

Answer:a

Explanation:

8 0
3 years ago
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What does it mean when a compound’s chemical formula does not include any numbers? A. There are only single bonds in the molecul
yaroslaw [1]

Answer:

B

Explanation:

This number that is put in a compound is called a subscript. It is put in front of the symbol of the element being represented. An example is CO₂ which means there are one (1) carbon and two (2) oxygen atoms in the compound.

3 0
3 years ago
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