BIO230H1 Lecture Notes - Lecture 4: Inner Cell Mass, Mammary Gland, Pronucleus
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1. Which cellular processes occur as a consequence of differential control of gene expression in eukaryotic cells?
a) Cell Differentiation | ||||||||||||||||||||||||||||||||
b) Differential Translation | ||||||||||||||||||||||||||||||||
c) Differential Polymerization | ||||||||||||||||||||||||||||||||
d) Differential DNA Replication | ||||||||||||||||||||||||||||||||
e) Differential tRNA Degradation 2) Multicellular organisms are comprised of a variety of cells with different morphologies and different functions. Which is the underlying mechanism that leads to the generation of diverse cell in one organism?
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4) Which effect has the binding of the ligand to a G-protein coupled receptor on intracellular G-protein?
a) | ATP is hydrolyzed, activating phosphorylation | |
b) | GTP is exchanged for GDP on the G protein, inactivating the G protein | |
c) | GDP is exchanged for GTP on the G protein, activating the G protein | |
d) | GMP is released from the G-protein, inactivating the receptor | |
e) | None of the above |
1.
__________ are fairly small organelles that provide a safe place within the cell to carry out certain biochemical reactions that generate harmful, highly reactive oxygen species. These chemicals are both generated and broken down in the same location.
Lysosomes |
Endosomes |
Peroxisomes |
Nucleosomes 2. Biologists cannot possibly study all living species. Instead, they try to understand cell behavior by studying a select subset of them. Which of the following characteristics are useful in an organism chosen for use as a model in laboratory studies?
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