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andreyandreev [35.5K]
3 years ago
6

Give an example of bacterial disease and describe how it makes people sick.

Biology
1 answer:
aev [14]3 years ago
3 0

Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli. Antibiotics are the usual treatment.

Have a Merry Christmas!

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If everyone on the planet used the same amount of resources as an average American, what percent of the Earth would
matrenka [14]

Answer:

D. 200%

Explanation:

While Americans constitute the 5% of the world population, they use around the 24% of the world's energy.

Then, if the 100% of the population were like the Americans, we have:

5%*x = 100%

x = 100%/5% = 20

the whole population is 20 times the population of the US, then the total energy used is 20 times the energy used in the US.

Then the energy that the 100% of the population would use is equal to:

20*24% = 480%

So we actually would need like 5 Earths.

The option is 200%

5 0
3 years ago
Why are embryonic stem cells useful for medicine?
Annette [7]

Answer:

Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury. For tissues that are constantly replaced, like blood and skin, stem cells would probably be replaced directly.

Explanation:

7 0
3 years ago
Hydroxylamine is a mutagen that acts only on cytosine and causes C-->T and G-->A base pair changes (i.e. it causes transit
natulia [17]

Options for the question are not given. They are as follows:

a. arg or lys

b. ala

c. thr

d. leu or ser

e. Only termination codons

Answer:

d. leu or ser

Explanation:

Four codons code for proline amino acid. These are CCT, CCC, CCA, and CCG. Hydroxylamine causes C to change into T or G to change into A.

If first position is changed in each codon:

CCT = TCT (UCU)

CCC = TCC (UCC)

CCA = TCA (UCA)

CCG = TCG (UCG)

These codons produce Serine amino acid.

If second position is changed in each codon:

CCT = CTT (CUU)

CCC = CTC (CUC)

CCA = CTA (CUA)

CCG = CTG (CUG)

These codons produce Leucine amino acid.

Hence, out of the given options, option d. leu or ser is correct.

7 0
3 years ago
Why cant you hear in space?
garik1379 [7]
Because there is nothing to hear
6 0
3 years ago
Read 2 more answers
If a carbon atom is bonded to two hydrogen atoms and two carbon atoms, what type of bond must exist between the carbor
sergij07 [2.7K]
I think it would be single bond
7 0
3 years ago
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