Biology Flashcards
The human pelvic girdle is composed of 3 fused bones on each side for a total of 6 bones. Name the 3 fused bones.
Ilium, ischium, and pubis
What are rings of muscle which CLOSE body openings such as the lips called?
Sphincters
The alternative forms of a gene at the same locus on homologous chromosomes are called what?
Alleles
The myofilaments of muscles consist primarily of two proteins. These proteins are called??
Actin and myosin
In studies of the human body, what word is used to describe (“name”) a blood-filled sac formed by an outpouching in an arterial or venous wall?
Aneurysm
What Roman physician’s studies of human anatomy based on lower animals served as the only text on the subject for centuries?
Galen
What percentage of the atmosphere consists of carbon dioxide?
0.03%
What percentage of the atmosphere consists of oxygen?
21%
What percentage of the atmosphere consists of nitrogen?
77%
What process in all living things releases carbon dioxide as a waste product?
Respiration or cellular respiration
List the taxonomic categories from least specific to most specific.
Kingdom, phylum, class, order, family, genus, species. The mnemonic is King Phillip Came Over For Good Spaghetti.
In biology, what is the word used to describe the appearance of an individual without regard to its hereditary constitution?
Phenotype
The chromosome responsible for characteristics other than sex are known by what term?
Autosomes
What genetic term describes the situation when a part of a chromosome is broken off and lost?
Chromosomal deletion
What is the term given to a fatty acid that has more than one set of double bonds between carbon atoms?
Polyunsaturated