Nucleic Acids
Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Barbara White
FREE Resource
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18 questions
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1.
FLASHCARD QUESTION
Front
Nucleic Acid Noun
[noo-klee-ik as-id]
Back
Nucleic Acid
A complex organic macromolecule, like DNA or RNA, that stores and transmits genetic information within a cell.
Example: This image shows that nucleic acids are built from units called nucleotides, each made of three parts: a phosphate, a sugar, and a nitrogenous base.
2.
FLASHCARD QUESTION
Front
Nucleotide Noun
[noo-klee-oh-tide]
Back
Nucleotide
The monomer of nucleic acids, composed of a phosphate group, a 5-carbon sugar, and a nitrogenous base.
Example: This diagram shows that a nucleotide, the building block of nucleic acids, is made of three parts: a phosphate group, a pentose sugar, and a nitrogenous base.
3.
FLASHCARD QUESTION
Front
DNA (Deoxyribonucleic acid) Noun
[dee-ok-see-rye-boh-noo-klee-ik as-id]
Back
DNA (Deoxyribonucleic acid)
A double-stranded nucleic acid containing an organism's genetic code, composed of deoxyribose sugar and four nitrogenous bases.
Example: This diagram shows the double helix structure of DNA, identifying the sugar-phosphate backbone and the four nitrogenous bases (A, T, C, G) that form pairs.
4.
FLASHCARD QUESTION
Front
RNA (Ribonucleic acid) Noun
[rye-boh-noo-klee-ik as-id]
Back
RNA (Ribonucleic acid)
A single-stranded nucleic acid, composed of ribose sugar, that is primarily involved in the process of protein synthesis.
Example: This image shows the single-stranded structure of RNA, with a backbone and its four unique chemical bases: Adenine (A), Uracil (U), Cytosine (C), and Guanine (G).
5.
FLASHCARD QUESTION
Front
Gene Noun
[jeen]
Back
Gene
A specific sequence of nucleotides in DNA that serves as the fundamental physical and functional unit of heredity.
Example: This diagram shows that a gene is a specific section of a DNA molecule, which is tightly coiled into a chromosome found inside a cell's nucleus.
6.
FLASHCARD QUESTION
Front
Phosphate group Noun
[fos-fayt groop]
Back
Phosphate group
A key chemical component of a nucleotide, consisting of a central phosphorus atom bonded to four oxygen atoms.
Example: This diagram shows a phosphate group, which consists of a central phosphorus atom bonded to four oxygen atoms, a key building block of nucleic acids.
7.
FLASHCARD QUESTION
Front
Pentose Noun
[pen-tohs]
Back
Pentose
A 5-carbon sugar molecule that forms a fundamental part of a nucleotide's structure, such as deoxyribose or ribose.
Example: This diagram shows the molecular structure of ribose, an example of a pentose sugar because it has five carbon atoms, a key building block of nucleic acids.
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