COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
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Centrosomes and Centrioles - CORRECT ANSWER- Essential for movement of chromosomes during
cell division
& Organizes microtubules in the cytoskeleton
Ribosomes - CORRECT ANSWER- protein synthesis
Nucleus - CORRECT ANSWER- Site of rRNA synthesis and assembly of ribosomal subunits
Golgi apparatus - CORRECT ANSWER- Replenishes cell membrane
Packaging materials for lysosomes and Peroxisomes
Microfilaments - CORRECT ANSWER- Mainly composed of thin strands of actin proteins
tight junctions - CORRECT ANSWER- Seal the intracellular space between cells
,gap junctions - CORRECT ANSWER- Cellular communication use connect sans to form Nero
passageways between cells
Desmosomes - CORRECT ANSWER- A type of anchoring junction they are a system of adhesion
molecules that can bind cells together and to the extracellular fluid
G1 - CORRECT ANSWER- Cells are metabolically active, make proteins rapidly, grow vigorously
S phase - CORRECT ANSWER- DNA is replicated
Prophase - CORRECT ANSWER- Chromatin condenses into chromosomes, Held together by their
centromeres
Nucleoli disappear, Nuclear envelope fragments
Metaphase - CORRECT ANSWER- Chromosomes aline at the metaphase plate
Anaphase - CORRECT ANSWER- Chromatid pairs separate V-shaped daughter chromosomes move
towards opposite ends
Cytokinesis can start as early as here
Four types of tissues - CORRECT ANSWER- Neural, connective, muscular, epithelial
The epithelial layer is... - CORRECT ANSWER- Avascular but innervated
, Special type of gap junction - CORRECT ANSWER- Intercollegiated discs of cardiac muscle tissue
simple squamous epithelium - CORRECT ANSWER- Lines alveoli of the lungs
Forms the endothelium of blood vessels
Forms the mesothelium of the ventral body cavity
Allows for rapid passive diffusion through the delicate and thin layer of flat cells
Stratified squamous epithelium - CORRECT ANSWER- Non-keratinized forms the moist linings of
the esophagus mouth and vagina
Keratinized formed the epidermis of the skin
Protects underlying tissues from abrasion
Simple cuboidal epithelium - CORRECT ANSWER- In kidney tubules
Secretion and absorption
stratified cuboidal - CORRECT ANSWER- sweat glands, mammary glands, salivary glands; protection
Simple columnar - CORRECT ANSWER- Non-ciliated lines the stomach and intestines