UCI BIO 93- MIDTERM 1 EXAM
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
Grow and reproduce within the cell - correct answer -
semiautonomous
In all eukaryotic cells - correct answer -mitochondria
In leaves and other green structures of plants and in eukaryotic
algae - correct answer -chloroplasts
Membrane bound organelle formed by proteins and lipids in the
cytosol - correct answer -peroxisomes
Is peroxisomes apart of the endomembrane? - correct answer -no
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Function of peroxisomes is to... - correct answer -breaks down
fatty acids and detoxify alcohols and other poisons
Contains genetic library of eukaryotic cells - correct answer -
nucleus
DNA and associated proteins- synthesis of mrna
Fold into chromosomes - correct answer -chromatin
Synthesis of rrna- formation of ribosomal subunits - correct
answer -nucleolus
Phagocytosis requires the extensions of... - correct answer -
pseudopodia
Nuclear envelope is surround by fibrillar network called... - correct
answer -intermediate filaments
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What is a part of the endomembrane system? - correct answer -
nuclear membrane, ER (endoplasmic reticulum), golgi apparatus,
lysosomes, vesicles, endosomes and cell membrane
What are nuclear pores composed of? - correct answer -
nucleoprotein proteins
Synthesize proteins
Composed of rrna combined with cytosolic proteins
2 subunits (large and small)
Free and bound (same structure) - correct answer -ribosomes
Synthesize cytosolic proteins - correct answer -free ribosomes
Synthesize integral membrane proteins and secreted proteins -
correct answer -bound ribosomes
What does not have a nuclear transport signal? - correct answer -
DNA
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Smooth and rough
Continuous with nuclear envelope - correct answer -endoplasmic
reticulum (ER)
Internal space of ER - correct answer -cisternae
Rich in metabolic enzymes
Has no ribosomes - correct answer -smooth ER
Synthesis of lipids
Metabolism of carbohydrates
Detoxification of drugs and poisons
Calcium sequestration - correct answer -functions of smooth ER
Processing of proteins formed on bound ribosomes and
membrane factory - correct answer -rough ER