Fertilization and Nucleic Acids
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41 questions
🇬🇧 | 🇬🇧 |
What is dna used for? | Energy storage |
How many types of nucleic acids are there? What are they called | 2. Deoxyribo Nucleic Acid (DNA), Ribo Nucleic Acid (RNA) |
Nucleotides hold ____ | Genetic info |
What is DNA made up of? | Subunit nucleotides: Sugar, phosphate, base |
What are nucleotides | Basic building blocks of nucleic acids |
RNA and DNA are both.... | Polymers made of long chains of nucleotides |
Sugar in DNA | Deoxyribose |
Sugar in RNA | Ribose |
What is base A | Adenine |
What is base T | Thymine |
What is base C | Cytosine |
What is base G | Guanine |
What does A pair up with in DNA? | T: thymine |
What does A pair up with in RNA | U: uracil |
3 similarities between RNA and DNA (3) | Made up of 5 carbon, polynucleotide chains, can act as enzymes |
DNA differences (4) | Stores genetic info, cellular library, located in nucleus, double helix |
RNA differences (4) | Transfers genetic info, mostly located outside the nucleus, synthesis protein, single helix, |
What does ATP stand for? | Adenosine triphosphate |
What is ATP? | Energy carrying molecule found in living things |
What is ATP made up of | Adenine,ribose,phosphate group |
What does base pairing allow for | Double-stranded DNA |
What is the double helix made out of | Groups of sugar (deoxyribose) and phosphate groups |
Meiosis produces...? | Gametes |
Meitosis is used..? | For growth and repair |
Fertilization | Is the fusion of sperm and egg |
Fertilization occurs when | The nucleus of both sperm and egg fuse to form a diploid cell |
How is a new organism formed? | With the successful fusion of gametes |
What are gametes | Sexual reproduction cells |
What are the female gametes? | Ova/egg cells |
Gametes can also be called | Haploid cells |
Each cell sexual reproduction cell carries..? | Only one copy of each chromosome (contains 23 chromosomes) |
What is a zygote | Combined sperm and egg; single celled organism resulting from a fertilized egg |
How many chromosomes does a zygote cell obtain? | 46 ( 23 f sperm) (23 f egg) |
What is a diploid? | Cell or organism that has paired chromosomes (1 from each parent) |
What is represented by 'n'? | The number of different chromosomes that an organism has |