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Masja [62]
3 years ago
6

The study of which structure was instrumental in the formulation of the modern cell theory? plant cell animal cell cell membrane

DNA molecule
Biology
2 answers:
ss7ja [257]3 years ago
8 0
DNA molecule. IS THE ANSWER (not 100%The study of which structure was instrumental in the formulation of the modern cell theory? plant cell animal cell cell membrane DNA molecule
podryga [215]3 years ago
7 0

Answer;

-DNA molecule

Explanation;

-According to cell theory; All known living things are made up of one or more cells. All living cells arise from pre-existing cells by division. The cell is the fundamental unit of structure and function in all living organisms.

-The modern version of the Cell Theory includes the ideas that:

  • Energy flow occurs within cells.
  • Heredity information (DNA) is passed on from cell to cell.
  • All cells have the same basic chemical composition.

-Therefore the study of DNA molecule was instrumental in the formulation of the modern cell theory.

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A functional group on an amino acid that is polar and can become negatively charged: ___________
luda_lava [24]

Answer:

Carboxylic acid.

Explanation:

Amino acids are made up of the amine group, carboxyl group, hydrogen and R hydrophobic chain. Amino acids are the monomers of the protein and they are coded by the particular codons.

Amino acids contains both the amino group and the carboxyl group. The carboxylic group is a polar group and becomes negative charged when the pH of the solution is greater than the pKa value of the amino acids.

Thus, the answer is carboxylic acid.

7 0
3 years ago
Describe the role of algae in marine biome
dlinn [17]
They are the energy base of the food chain for all aquatic organisms, without them all aquatic organisms would most likely parish.
4 0
2 years ago
The chart below shows the inferred evolution of some dinosaurs during three time periods in Earth’s history.
pochemuha

Answer:

camptosaurus

Explanation:

I think it's correct

4 0
2 years ago
Plz help!!!!<br> Kinda in a hurry to catch up on biology rn anything can help!!!
luda_lava [24]

Answer:

16. Control group: Subject A

17. Independent (manipulated) variable: Type of powder

18. Dependent variable: Itching time

19. Explain whether the data supports the advertisement´s claims about its product. Yes, it does.

Explanation:

  • Control group: The control group is used to identify if there are any other factors influencing the results obtained by the treatment in the study (in this case, the new product), from the results that might be a consequence of other factors. The control group must be selected from the same population as the treatment group. Data from an experimental group are compared with the data from a control group. These two groups are identical in all aspects except for the independent variable that the researcher changes in the experimental group to observe how they affect the individuals.  

The experimental group is the one that receives the experimental procedure, with changes in the independent variable.  There can be several experimental groups. In this case, the experimental group is subject B.

  • Independent (manipulated) variable: Refers to all the variables in an experiment that provoke a response in another variable. An independent variable is the one that changes or is controlled and modified in the experiment to analyze how another variable responds to it. It changes to analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter. In the exposed example, the type of powder is the independent variable.  
  • Dependent variable: Refers to the variable, which response depends on any change in the independent variable. It represents a quantity of something which value depends on how the independent variable is modified. The change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. In the exposed example, inching time is the dependent variable, that depends on the type of powder used.
  • The data <u>does support</u> the advertisement´s claims about its product. The effect of the new product lasts 50% more than the original product. The old powder produced itching for 30 minutes, while the new product produced itching for 45min (15 more minutes, 50% more).
4 0
2 years ago
HELP ME ASAP PLEASE ANSWER
astraxan [27]

Rewrite what's noted

  • Red(RR)
  • white(rr)
  • Pink(Rr)

As pink and red are crossed white is out of business.

So

Share will be halved

  • 50% pink :50% red
  • 50% Rr:50% RR

Option D

8 0
2 years ago
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