Lecture 1 Flashcards
1
Q
Tissues
A
cells that aggregate to form a specific function
2
Q
organ
A
a fully differentiated structural and functional unit in an animal that is specialized for some particular function
3
Q
Cells
A
small, membrane enclosed unit that has the ability to create copies of themselves
4
Q
What are 4 facts about cells
A
- they vary in appearance and function
- living cells all have the same basic chemistry
- all present day cells have evolved from the same ancestral cell
- genes provide the information for cell form, function and complex behaviours
5
Q
Name organisms made up of cells that vary in appearance and function
A
- mammalian neuron
- paramecium
6
Q
cells vary ______________ (function)
A
physiologically
7
Q
cells vary _____________ (structurally)
A
morphologically
8
Q
genetic information is carried in form of _________ which are encoded by ______
A
genes, DNA
9
Q
what is the central dogma of molecular biology
A
a theory stating genetic information only flows in one direction, from DNA, to RNA to protein