Biology College

DNA is the primary component of chromosomes. Chromosomes are found in the
nuclei of eukaryotic organisms. Which of the following best describes DNA?
A.
It is an atom.
B.
It is a molecule.
C. It is an organelle.
D.
It is a cell.

Answers

Answer 1

Answer: B, it is a molecule

Explanation:

it is a complex molecule in a cell that contains genetic information.

Related Questions

Suppose the surface is not totally smooth. What additional "outside force would be affecting the ball's motion? How would its motion be affected?

Answers

Answer:The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion.

Explanation:

might help hope it does

Anna-Maria has just heard that her company is going to start outsourcing her job. What does this MOST likely mean for Anna-Maria?
A.She will earn a pay raise.
B.She will lose her job.
C.She will have to relocate.
D.She will get extra benefits.

Answers

Answer: A. She will earn a pay raise

Explanation: When a job is outsourced workers or employees get 13.0% more money than average pay.

After the discovery of conjugation researchers discovered that they could introduce DNA into some types of bacteria without relying upon this process. Which of the following scenarios illustrates how the researchers could determine which of two types of bacteria exhibit "natural competence"? The different types have different antibiotic resistance genes.

a. Incubate together then check their antibiotic resistance.
b. Incubate together then check for different alleles of a chromosomal gene.
c. Incubate alone then check their antibiotic resistance.
d. Incubate the bacteria with double stranded DNA that contains different alleles of a chromosomal gene.
e. Incubate each alone with double stranded DNA that contains different alleles of a chromosomal gene.

Answers

The scenario that illustrates how the researchers could determine which of two types of bacteria exhibit "natural competence" is option (e): Incubate each alone with double-stranded DNA that contains different alleles of a chromosomal gene.

Which shows natural competence?

In this scenario, the researchers would incubate each type of bacteria alone with double-stranded DNA that contains different alleles of a chromosomal gene.

If one type of bacteria takes up the DNA and incorporates it into its genome, then it should display the genetic characteristics of the introduced DNA, including different alleles of the chromosomal gene. This would demonstrate that the bacteria is naturally competent, i.e. capable of taking up DNA from the environment without the need for any special treatment or processes.

By comparing the results from both types of bacteria, the researchers can determine which bacteria exhibit natural competence and are capable of taking up DNA from the environment, which can be useful for genetic manipulation and other research purposes.

Learn more about DNA at: https://brainly.com/question/2131506

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construct an argument about the effect of changing a section of rainforest into a cultivated field. Use the word community as it is used in the context of biology at least once in one of the premises of your argument

Answers

Premise 1: The rainforest is a complex ecosystem that provides numerous benefits to the community of living creatures that inhabit it.

Premise 2: Changing a section of the rainforest into a cultivated field alters the balance of the ecosystem, which can have negative effects on the community.

Premise 3: The community of living creatures in the rainforest includes not only the animals and plants that directly inhabit the area, but also the microorganisms and other organisms that play important roles in maintaining the ecosystem.

Conclusion: Therefore, converting a section of the rainforest into a cultivated field can have serious consequences for the entire community, including the loss of biodiversity and ecosystem services, such as carbon storage, water regulation, and climate regulation. Additionally, the disruption of the rainforest can lead to the displacement of animals and plants, causing further harm to the community. Overall, it is important to carefully consider the impacts that altering the rainforest can have on the community and planet.
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