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kherson [118]
3 years ago
11

What are the building blocks of DNA And RNA

Biology
2 answers:
Paul [167]3 years ago
3 0
The basic building block of DNA and RNA are Nucleotides.
liq [111]3 years ago
3 0
Building blocks of DNA and RNA are nucleotides.

Specifically, DNA has 4 nucleotides: Adenine, Cytosine, Guanine, and Thymine.

And RNA has almost the same except one. Here are RNA nucleotides: Uracil, Cytosine, Guanine, and Adenine. (*Uracil instead of Thymine.)
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Form a Hypothesis: As the map shows, the sickle cell allele is not found in African populations that are native to southern Afri
kati45 [8]

A hypothesis for this observation might be that malaria is not endemic to southern Africa. It is a plausible explanation of a given scientific question.

<h3>Hypothesis and scientific method</h3>

A hypothesis is a plausible explanation of an observation of the natural world, which must be tested by using the scientific method.

Testing a hypothesis involves performing additional observational and/or experimental procedures in order to confirm or reject this assumption.

In this case, the sickle cell allele is found in high frequency in regions where malaria is endemic.

Learn more about hypotheses here:

brainly.com/question/11555274

6 0
2 years ago
Even if a “rudimentary organ” actually has a function about which we observers are unaware (e.g., if vestigial pelvic bones of a
mixer [17]

its like the human body rectum its there but serves no purpose but when we evolved we eveolved to eat different foods and different foods mean different digestion

7 0
3 years ago
One day you notice that part of your garden is much more prolific in producing flowers than another part. You observe that some
makvit [3.9K]

Answer and Explanation:

The steps of the scientific method are

1) A question the investigator wants to answer.

2) Antecedents or Previous knowledge about the study object.

3) The goal, which is what the investigator wants to know.

4) The hypothesis that the investigator makes in order to predict what is going to happen.

5)The experiment is performed to answer the question.

6) Results achievement

7) Conclusions where the hypothesis is rejected or accepted.

In the case of the exposed example,

  1. Question: How does the amount of sunlight affect the extent of flower production?
  2. Previous knowledge and antecedents about solar radiation influencing different plant growth and flowering. Information about the species of interest. Other studies or investigations performed in relation to this question.
  3. Objective/Goal: To study the influence of sunlight in flowering
  4. Hypothesis: Too many hours of radiation affect flowering production
  5. Experiment: (Example)

Native species are going to be planted in the garden to observe their growth and flower production at different exposure levels to sunlight. Native species will be planted, as they are used to the environmental conditions and they do not need extra care, as a cultivated species would. More than one individual is needed to ensure their establishment. All the species will be watered according to each species needs and location. Plagues will be equally controlled.

  • 3 native individuals of a herbaceous plant, 3 native individuals of a woody plant, and 3 native grass plants are located in a sunny section that receives straight sun radiation during the whole light hours.  
  • 3 native individuals of a herbaceous plant, 3 native individuals of a woody plant, and 3 native grass plants are located in a sunny section that receives sun radiation during half a day
  • 3 native individuals of a herbaceous plant, 3 native individuals of a woody plant, and 3 native grass plants are located in a  shaded section.

Plants will be grown and the flowering process will be recorded by season in relation to the number of flowers, sizes, quality, and pollinizer visitors which will reflect the amount and quality of nectar.

6 y 7. Every recorded result will be then analyzed to conclude.      

8 0
3 years ago
The majority of cells are classified as eukaryotic.where is the DNA located in eukaryotic cells?
Effectus [21]
Most likely located in the nucleus, mitochondria and chloroplasts! The nucleus contains the most DNA!
7 0
3 years ago
What is Tom Regan’s position about the use of animals in research and agriculture?
Elena L [17]
Tom Regan's position about the use of animals in research and agriculture is that animals should never be used for medical research or commercial <span>agriculture. 
Tom Regan was a famous American philosopher who was mostly interested in animal rights. He believed that animals shouldn't be put through any testing or experiments because we don't have their consent to do that. He believed it was unethical to do that.
</span>
5 0
3 years ago
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