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Kryger [21]
3 years ago
5

The pros and cons of the huge rock plug that is jammed into Mt. Vesuvius?

Biology
1 answer:
Margaret [11]3 years ago
6 0
<span>The pros of having this rock plug is that the plug is protective and makes it so that Vesuvius is not likely to erupt again and the magma below has cooled and is harmless. The cons are that if there is another eruption, it will be deadly and create an avalanche of gas, rocks, and hot ash.</span>
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Scientists have successfully cloned animals, including mammals such as sheep. Which statement provides the most likely reason th
tigry1 [53]

Answer:

4) Some people consider human genetic experiments

unethical.

Explanation:

1) Humans have DNA that is structurally very different from

other mammals.

2) Cloning can only he performed on animals that normally

reproduce asexually.

3) Human genes are made of too many different types of

simple sugars.

4) Some people consider human genetic experiments

unethical.

The statement that provides the most likely reason that a human has not yet been cloned is that some people consider human genetic experiment unethical.

<em>Option 1 is incorrect because human DNA is similar in structure to other living organisms with components such as a phosphate group, a deoxyribose sugar and purine/pyrimidine bases.</em>

<em>Option 2 is incorrect because cloning is not limited to asexually reproducing organisms only. Sheep, for example, produces only sexually and has been successfully been cloned.</em>

<em>Option 3 is incorrect because human genes, just like every other organisms is consist of DNA with deoxyribose pentose sugar being one of the components. The situation of too many different types of simple sugars doe not arise.</em>

The correct option is 4.

6 0
3 years ago
Homework. Unanswered
Dennis_Churaev [7]

Gram-positive bacteria are bacteria that have thick cell walls which yield positive results in the Gram staining test. Lipoteichoic acid is a major component of the cell wall of gram-positive bacteria.

  • All bacteria indicated in the question can be classified by the Gram staining test:
  1. Actinomycetes are Gram-positive bacteria
  2. The genus <em>Arthrobacter </em>includes Gram-positive bacteria
  3. <em>Escherichia coli </em>(<em>E. coli</em>) is a Gram-negative bacterium
  4. <em>Staphylococcus spp.</em> are Gram-positive bacteria
  5. <em>Bacillus spp</em> are Gram-positive bacteria
  6. <em>Mycobacterium spp.</em> are Gram-positive bacteria

  • Prokaryotes can be divided into two domains: Bacteria and Archaea.

  • Gram staining is a method used to classify bacteria, but this method IS NOT USED to stain Archaea.

  • In consequence, I would not use the Gram test to stain Archaebacteria because Archaebacteria aren't bacteria (Option A is correct).

  • Archaebacteria belong to the Archaea domain.

Learn more in:

brainly.com/question/13756030?referrer=searchResults

6 0
2 years ago
I am asking this again, but please help me on BIOLOGY! This might have multiple answers so please help. I’m confused :’(
ss7ja [257]
The best answer would be mRNA.
4 0
3 years ago
Read 2 more answers
Please answer number 19
zubka84 [21]

Answer:

C-50% long 50% medium 0% short

6 0
3 years ago
All cells of the body age and are replaced in a natural order. When RBCs age, they are destroyed in the spleen. During this proc
Ad libitum [116K]

Answer:

Bone marrow.

Explanation:

Hematopiesis may be defined as the formation of the blood cells by the precursor stem cells. This process occurs in the bone marrow, thymus and liver.

The red blood cells are enucleated cells with the minimum span of around 120 days. These cells are processed and destroyed in the spleen. The iron is recovered from the red blood cells and sent again into the bone marrow for the production of new blood cells.

Thus, the answer is bone marrow.

4 0
3 years ago
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