Which of these does NOT match the nitrogenous base to the nucleobase?

A. Purine: Adenine

B. Purine: Thymine

C. Pyrimidine: Uracil

D. Pyrimidine: Cytosine

Answer Explanation:

There are two types of nitrogenous bases: purine and pyrimidine bases. Purine bases have two rings in their structure and consist of adenine and guanine. Pyrimidine bases only have one ring in their structure and consist of thymine and cytosine (DNA) and uracil and cytosine (RNA). Therefore, the correct answer is B since thymine is a pyrimidine.

Therefore, the Correct Answer is B.

Q #1: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

A. 2

B. 6

C. 7

D. 9

Answer Explanation

A solution that contains more hydroxide ions than hydrogen ions is a base, and bases have a pH greater than 7, so the only possible answer is choice D. 9.
Q #2: Which of the following is true regarding adipocytes?

A. They are involved in the secretion of glucose.

B. They are responsible for storing the fat that is found in adipose tissue

C. They are critical in the digestive breakdown of fat

D. They are the foundational element of muscles

Answer Explanation

Adipocytes are primarily seen in adipose or fat tissue. Their primary function is the storage of fat Adipocytes play a crucial role in maintaining proper energy balance, storing calories in the form of lipids, and mobilizing energy sources in response to stress. They are not involved in the digestion of fat or the secretion of glucose, nor are they the foundational element of muscles
Q #3: What is the name for the physical presentation of an organism's genes?

A. Phenotype

B. Species

C. Phylum

D. Genotype

Answer Explanation

Phenotype is the physical presentation of an organism's genes. In other words, the phenotype is the physical characteristics of the organism. Phenotype is often contrasted with genotype, the genetic makeup of an organism. The genotype of the organism is not visible in its presentation, although some of the characteristics encoded in the genes have to do with physical presentation. A phylum is a group of classes that are closely related. A species is a group of like organisms that are capable of breeding together and producing similar offspring.

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Which of these does NOT match the nitrogenous base to the nucleobase?

More Questions on TEAS 7 Science

Q #1: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

Answer Explanation

Q #2: Which of the following is true regarding adipocytes?

Answer Explanation

Q #3: What is the name for the physical presentation of an organism's genes?

Answer Explanation

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Which of these does NOT match the nitrogenous base to the nucleobase?

More Questions on TEAS 7 Science

Q #1: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

Answer Explanation

Q #2: Which of the following is true regarding adipocytes?

Answer Explanation

Q #3: What is the name for the physical presentation of an organism&#39;s genes?

Answer Explanation

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Q #3: What is the name for the physical presentation of an organism's genes?