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Anton [14]
2 years ago
12

Which of the options below is NOT a classification of algae?

Biology
1 answer:
Stells [14]2 years ago
7 0
Answer: yellow algae
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Five ounces of beef strip steak would count as ____ ounce equivalent of the protein foods.
Andrews [41]

The 5 ounces of beef strip steak would count as 5-ounce equivalents in the Protein Foods Group.  

Al the foods made from poultry, meat, seafood, peas and beans, eggs, processed soy products, seeds, and nuts are regarded as the component of the Protein Foods Group.  

Steak, like any other animal product, is a rich source of protein. A 5 oz serving of steak gives 38 grams of protein, more than 6 times of the amount in one egg. The proteins help in repairing muscles and other tissues and also helps in building muscles.  


5 0
3 years ago
How did Hershey and Chase ""label"" viral DNA and viral protein so that they could be distinguished? Explain why they chose each
vlabodo [156]

Answer:

As DNA contain phosphorus in its structure in large amount, therefore, Harshey and Chase labeled DNA with radioactive phosphorus and because protein contains some amino acids which have sulfur so they labeled T2 bacteriophage protein with sulfur.

So after that they infected E.coli bacteria with radioactively labeled phages and after centrifugation, they have found that pellet which contains cells is showing the presence of radioactive phosphorus and supernatant which have T2 phage capsid protein showing the presence of radioactive sulfur.

Therefore by labeling viral protein and viral DNA they found that DNA is the genetic material not protein.

7 0
3 years ago
Several experiments were required to demonstrate how traits are inherited. Which scientist or team of scientists first demonstra
Snowcat [4.5K]

Answer:

Frederick Griffith was the first scientist who discovered that cell contains some components that can be transferred to another cell and cause a permanent change(transformation) in the new cell.

To prove this he performed an experiment in which he took two strains of <em>Streptococcus pneumoniae</em> which contain one rough strain and one smooth strain. Rough strain was non-virulent strain and smooth strain was virulent strain.

So he injected smooth and rough strain in mice and saw that mice die when virulent strain is injected and survive when non-virulent strain is injected. Then he injected heat killed virulent strain in which mice survived.

Then he added remain of heat killed bacteria with live smooth strain of bacteria and infected the mice and saw that the mice was killed by non-virulent smooth strain of streptococcus.

After this experiment he concluded that cells contain some component later identified as DNA which can be transferred to new population of cells and transform these new cells.

 

8 0
3 years ago
What do organelles help form in the next level of organization
taurus [48]
Organelles exist within cells, which exist within tissues. Communities exist within ecosystems, which exist in the biosphere.
3 0
2 years ago
Viruses acquire an envelope during the maturation step of a cell's viral infection?
Flura [38]
It depends on which virus you are referring to specifically. Viruses come in many shapes and types; their variations are tremendous.

For HIV and Influenza, viruses acquire their envelops after maturation, during the budding off or detachment stage from the host cell.

Hope this helps! :)
6 0
3 years ago
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