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Tanya [424]
3 years ago
6

Summarize how Hershey and chase confirmed that dna is the genetic material

Biology
1 answer:
Ierofanga [76]3 years ago
5 0

He labeled the protein of bacteriophages with radioactive sulfur and their DNA with radioactive phosphorus. The bacteriophages were allowed to infect bacteria.

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What is chlorophyl in plants
Ghella [55]

Chlorophyll is a green pigment found in plants. Plants use chlorophyll and light to make food.

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Cells spend very little of their life performing mitosis. Most of a cell’s life cycle is spent in interphase. Interphase is made
Flura [38]

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DNA replication

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Synthesis is the stage characterized by DNA replication. It is after the G1 phase

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Social science is a branch of science that deals with the nature of
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A . Human society is the best answer :)
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In a good experimental design, the part of the experiment that is intentionally changed is the
Vika [28.1K]

Constants never change.

Controls typically don't change or they are done by standard means

(like in an experiment where you water plants with sodas, the plant you use water with is the control)

Dependent variables are the outcome of the experiment. This is the result of changing something.

Independent variables are what you are testing. A independent variable is something that is  intentionally altered.

easy way to remember it is that dependent variables depend on what other variables are. so you cant change a dependent variable, but you can change the other variables.

7 0
3 years ago
You are working on a forensics team and collecting some cells from a crime scene. The cells are angular, rigid, and have a cell
Paraphin [41]

The cells are angular, rigid, and have a cell wall made up of cellulose. This sample most likely came from a plant.

  • Chloroplasts, cell walls, and intracellular vacuoles are a few characteristics that set plant cells apart.
  • Chloroplasts are responsible for photosynthesis, cell walls provide plants the strength to stand upright, and vacuoles control how cells handle water and store other molecules.
  • Plants have a specific cell wall in addition to a cell membrane. Cellulose, a thick material containing several sugar units, makes up this.
  • This allows plants to seem rigid and robust because of their thick feature.
  • Human cells, in contrast, lack a cell wall and are more flexible and spherical than plant cells.

learn more about plant cell here: brainly.com/question/913732

#SPJ4

6 0
2 years ago
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