Biology Final Flashcards
What are important characteristics of life?
cells, DNA, growth and development, response, homeostasis
What is the study of life?
biology
What is homeostasis?
internal stability despite external disruption
What is the main function of ribosomes?
manufacture proteins
What chemical compound holds the genetic code?
Deoxyribonucleic Acid (DNA)
What are the building blocks of DNA?
nucleotides
What are the bases made of?
nitrogen
What are watson, crick, and franklin credited with?
discovery of the structure of double helix
The sides of the DNA ladder are composed of
phosphate group and deoxyribose
What 3 parts compose a nucleotide?
phosphate group, deoxyribose, nitrogen base
How do the bases pair in DNA?
adenine with thymine
cytosine with guanine
How do the bases pair when messenger RNa is created in transcription?
adenine with uracil
cytosine with Guanine
DNA to mRNA, to tRNA, to amino acids to proteins is the sequence of ________ synthesis
protein
A sequence of nucleotides coding for the production of a protein is called a
Gene
What are 3 differences between DNA and RNA?
DNA- Deoxyribose, thymine, Double Helix
RNA- Ribose, Uracil, Single Helix
DNA composes these structures in the nucleus of eukaryotic cells that are responsible for the transmission of hereditary information
chromosomes
This project is determining the nucleotide sequence of each human gene
Human genome project
Why is DNA fingerprinting useful in criminal investigations?
no 2 individuals have same DNA fingerprint
What is genetics?
the scientific study of heredity
Who was Gregor Mendel?
monk, studied pea plants “father of genetics”
Explain the difference between dominant and recessive
if both alleles present, dominant shows up