Pre-course review Flashcards
What is the function of skin?
Exterior Protection
What is the function of endocrine system?
hormonal signaling
What is the function of nervous system?
detects and processes environmental changes via neural signaling
What is the function of skeletal muslces?
movement
What is the function of blood?
circulation
immune function
gas exchange (breathing)
The attraction between individual water molecules creates a bond known as:
hydrogen bond
A chemical bond formed when electrons are shared between two atoms is called:
Covalent bond
_____ is the net movement of anything from a region of higher concentration to a region of lower concentration
Diffusion
Oil floating on the surface of water is an example of:
hydrophobic interaction
which of the following bases is uniqe to deoxyribonucleic acids?
uracil
adenine
cytosine
thymine
thymine
In DNA replication, the unwinding of DNA strands is performed by:
DNA helicase
According to Central Dogma, _____ is generated from translation.
protein
According to Central Dogma, _____ is generated from transcription
mRNA
Meiosis is a type of cell division that results in ___ cells, each having half the number of chromosomes of the original cell.
4
The _____ serves both as a repository of genetic information and as the cell’s control center.
nucleus
Which organelle is referred to as the powerhouse of the cell?
mitochondria
Transcription always takes place in the _____.
nucleus
_____ is a process where a cell moves large materials from inside the cell to the outside of the cell using small spheres of membranes called vesicles
Exocytosis
______ tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs.
Epithelial
The major currency used by the cell is _____.
ATP
What does a nucleotide consist of?
nitrogenous base
pentose sugar
phosphate
The pancrease is a major organ that is found in the _____ system
digestive
The various blood cells in the body are produced in the:
bone marrow
The _____ removes waste products from the blood and produce urine
kidney