Test 1
What biological molecule is hydrophobic?
Lipids
What refers to the order of amino acids?
Primary structure
A cell signal is another word for:
A ligand
What refers to an organism that is homozygous?
Homozygote
Who was the Austrian monk that discovered some of the rules about genetics?
Gregor Mendel
What molecule is amphipathic?
Phospholipids
If the mRNA is AAA, what is the matching anti-codon?
UUU
What performs dehydration reactions between amino acids?
Ribosomes
What is an example of a heterozygous genotype?
Aa
What allele is usually the broken allele?
Recessive
The ER is comprised of membranous interconnected tubules and flattened sacs called:
Cisternae
What are the groupings of control elements?
Enhancers
What are the regions of DNA that transcription factors bind to?
Promoters
What is true-breeding another word for?
Homozygous
What is the genotype of a carrier?
Aa (heterozygous)
What is a precursor for steroid hormones?
Cholesterol
What refers to when a pair of chromosomes do not separate as they should?
Nondisjunction
What are prions?
Infectious proteins
What refers to when there are more than two alleles for a gene?
Multiple alleles
What type of genetic disorder is Achondroplasia?
Dominant
What is the currently accepted model of the arrangement of molecules in the plasma membrane?
The fluid mosaic model
What refers to traits transmitted by the mechanisms not involved with the actual nucleotide sequence of DNA itself?
Epigenetic inheritance
What is the mRNA codon for methionine?
AUG
What are the four types of recessively inherited disorders?
Tay-sachs disease, cystic fibrosis, sickle cell anemia, PKU
What means that many factors, both genetic and environment affect, affect a phenotype?
Multifactorial