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dangina [55]
4 years ago
14

Which is an adaptation that helped plants survive on land?

Biology
1 answer:
Bess [88]4 years ago
3 0

Vascular tissue aka "Vascular Systems"

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Sexual reproduction allows for more genetic diversity than asexual reproduction.
ohaa [14]

Answer:

True.

Explanation:

3 0
3 years ago
Why does Gel electrophoresis allow scientists to separate pieces of DNA?
Firdavs [7]
The molecules that enter the gel will separate based on size. The smaller ones will go further down the gel because they do not have to squeeze through the pores of the gel as much as the larger ones do.
7 0
3 years ago
A chemical has been found to harm the same components in both prokaryotic and eukaryotic cells. Which components are those?
Musya8 [376]

The correct answer is A. DNA cell membrane, cytoplasm, and ribosomes.

Both eukaryotes and prokaryotes they have basic features which are cytoplasm and cell membrane.

Prokaryotic cells they don't have nucleus while eukaryotic cells nucleus are present.

Eukaryotic cells they contain many membrane which are enclosed in an organelles. For example, Golgi apparatus, lysosome, and mitochondria.

In prokaryote they don't have membrane which is enclosed to them.

7 0
3 years ago
Read 2 more answers
What term is used to describe bacterial cells that can naturally take up dna from their environment?
Maru [420]
<h2>The correct answer is: Competent cells</h2>

Explanation:

  • Bacterial cells have the capability of incorporating foreign naked DNA or deoxyribonucleic acid fragments from the environment or the exterior of the cell to the interior of the cell. This process is known as Transformation.
  • The bacterial cells which are able to undergo transformation are called Competent bacterial cells.
  • Some of the bacterial cells are naturally competent like<em> Bacillus subtilis, Streptocossus pneumoniae</em> while others  like <em>Escherishia coli </em>need to be chemically treated to make them artificially competent.
  • In natural competence, the foreign DNA from the cell exterior is incorporated into the cell interior through specific protein complexes present in the plasma membrane of the bacterial cells.
  • In artificial competence, the negative charge on foreign DNA is masked by positively charged calcium ions (so that it is not repelled by the negative charge of the lipid bilayer of the bacterial cell plasma membrane) and then small pores are created in the lipid bilayer of the plasma membrane of the bacterial cells by giving a heat shock to the cells. This results in the uptake of the DNA by the bacterial cells.
3 0
3 years ago
Peptidoglycan is the material found in the bacterial that forms a molecular basis of the Gram stain.
neonofarm [45]

Answer:

Gram positive. and gram negative

Explanation:

both are formed

7 0
3 years ago
Read 2 more answers
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