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sesenic [268]
3 years ago
13

Penicillin was widely used to:

Biology
1 answer:
Ipatiy [6.2K]3 years ago
6 0
Penicillin [antibiotic] was widely used to:
B) treat soldiers during World War 2 (1940s-current)

*smallpox is a virus and not affected by antibiotics
*diabetes is not an infection, therefore antibiotics won't play a role
*plague and middle ages are CENTURIES before discovery of antibiotics
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If finches on the Galapagos Islands had such different beaks, how could Darwin think they shared a common ancestor from the main
nydimaria [60]

Answer:

i just learned about this

Explanation:

its because each began to live in different areas on the Galapagos islands and they each needed to adapt to their meals and their surroundings. So simply evolving and adapting

I hope this helps u!

Pls give a brainliest and a thx ;)

3 0
3 years ago
I have the sugar deoxyribose.<br><br> DNA only <br> RNA only<br> BOTH DNA and RNA
dsp73

Answer:

DNA only.

Explanation:

Both DNA and RNA are built with a sugar backbone, but whereas the sugar in DNA is called deoxyribose, the sugar in RNA is called simply ribose. The ‘deoxy’ prefix denotes that, whilst RNA has two hydroxyl (-OH) groups attached to its carbon backbone, DNA has only one, and has a lone hydrogen atom attached instead.

5 0
3 years ago
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Which is the best definition of a phylogenetic tree
Sophie [7]

The options attached to the above question are given below:

A. A table of classification that is based only on physical characteristics

B. Eight levels of taxonomic categories that are used to classify organisms

C. A branching chart that depicts evolutionary relationship among organisms

D. Organisms organized based on structure and genetic comparisons

ANSWER

The correct option is C.

A phylogenetic tree refers to a diagram, which represents evolutionary relationships that exist among organisms. Phylogenetic tree has many branches, which represents how different species evolved from a series of common ancestors. The relationships among the living organisms is usually based on the similarities and the differences in their physical or genetic features. A phylogenetic tree can be described as rooted or non rooted based on the depth of information they offer.


6 0
3 years ago
Which of these is a source of sediment?
jeka57 [31]

Answer:

a.)fragments of other rocks

6 0
3 years ago
Salts dissociate in aqueous solutions to release charged, inorganic atoms or molecules called ions. in biological systems, the m
nlexa [21]
<span>The most important ions would be sodium, calcium, and potassium

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6 0
4 years ago
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