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Andrej [43]
3 years ago
13

Review Test Questions

Biology
1 answer:
Allushta [10]3 years ago
7 0

Answer:

• O A. ACUUGGCGACGU

Explanation:

Anticodons of tRNA have same sequence as of any DNA code they are for. Why? <em>This is because original DNA is transcripted into a mRNA sequence which is complementary to the original DNA sequence. This mRNA is complementary to the original sequence while the anticodons on tRNA are again complementary to the mRNA sequence,</em> which in-turn means that they have exactly same sequence as of original DNA. This is how they interpret the original cod and manifest the expression of correct amino acids as they are present in parents.

Hope that helps!

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A scientist finds an organism that cannot move it has many cells produces spores and gets food from its environment in which kin
scZoUnD [109]

Answer: kingdom fungi

Explanation:

A fungi can produce spores and gets food from its environment

6 0
4 years ago
Explain the characteristics scientists use when observing organisms and placing them in the six kingdoms
Art [367]

There were several characteristics that the scientists kept in mind while classifying, these are mobility, cell structure, cell type, body type, etc.

<h3>What is classification?</h3>

Classification is the grouping of organisms based on similar characteristics which makes them different from other groups.

There are the following characteristics to classify them:

  • Mobility: it includes whether the organism is moving or sessile.
  • Cell type: it includes eukaryotic or prokaryotic cells.
  • Cell structure: it includes whether the cells have a cell wall or not.
  • Body type: it includes whether the organism is unicellular or multicellular.
  • Mode of nutrition: It includes whether the organism is parasitic, autotrophic, symbiotic, consumer, etc.

Thus, these are the characteristics that the scientists kept in mind before drawing classification.

For more details regarding classification, visit:

brainly.com/question/10330847

#SPJ1

3 0
2 years ago
Leann is learning about chemical reactions. She wants to create a model of a chemical reaction, so she is examming the informati
butalik [34]

Answer:

  • B the kinds of molecules involved in the reaction
  • C the kinds of elements that make up a molecule
  • D whether the molecules are products or reactants

Explanation:

When modelling the chemical reaction, it is important that the process is explained such that people looking at the model understand what happened in terms of the reactants and products and how they came to be either.

Leann will therefore have to include the kinds of molecules involved in the reaction be they products or reactants. She will also have to include which elements make up the molecules for instance a water molecule would have the elements Hydrogen and Oxygen.

Finally she would have to indicate which molecules are reactant and which are products. Reactants usually stay to the left side of the reaction equation and products stay to the right.

7 0
3 years ago
3. RNA from a chipmunk is compared to RNA from a worm. Both will contain the
tensa zangetsu [6.8K]
Both will contain the sugar ribose and the base uracil
4 0
3 years ago
Read 2 more answers
DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wan
nirvana33 [79]

Answer:

The correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

Explanation:

DNA is the genetic material of most of the living organisms. In this question, Joe wants to study to see the effect of folic acid on the synthesis of the DNA. Folic acid ae the essential nutrients or vitamin for the synthesis of nitrogen bases of the DNA that are purines and pyrimidines. A dependent variable and an independent variable are two important part of any experiment.

A dependent variable is a variable being tested and measured. In the experiment Jon is conducting, the amount of DNA becomes a dependent variable that is being tested and measured in the presence of folic acid.  And folic acid is the independent variable tested to check the formation of DNA in bacteria.

Thus, the correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

7 0
3 years ago
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