Cell Theory
True or False: All cells come from preexisting cells.
True
True or False: All offspring produced by asexual reproduction are clones.
True
What is cancer?
When cells divide out of control.
In which phase do sister chromatids line up in the middle of the cell?
Metaphase
What connects the two sister chromatids together?
Centromere
Mitochondria.
What types of specialized cells can meristem tissue become?
Root, stem, and leaf cells
Who are the three scientists who discovered the shape of DNA?
Watson, Crick, and Franklin
What phase does DNA condense into chromosomes and sister chromatids link up?
Prophase
When sister chromatid pull apart, what are they reffered to as?
Chromosomes
This organelle in plant cells is large, full of water, and responsible for maintaining a rigid cell wall.
Central vacuole
Name an example of a plant that produces spores.
Ferns
What are "Uninterrupted segments of DNA that code for a specific characteristic" called?
Genes
What phase do the sister chromatids pull apart and separate to different ends of the cell?
Anaphase
How does cytokinesis occur in plant cells?
Formation of a cell plate
What are the two types of Endoplasmic reticulum?
Smooth and rough
Name an organism that reproduces through parthenogenesis
Bees, ants, snakes, lizards
List 4 carcinogens
Smoking, asbestos, UV rays, chemicals, viruses, etc.
How does cytokinesis occur in animal cells?
Cleavage Furrow
These three organelles are ONLY found in plant cells.
Cell wall, chloroplasts, and large central vacuoles.
What is the main disadvantage of asexual reproduction?
If all daughter cells are genetically identical, disease could wipe out the entire population.
What is the phase of the cell cycle that cells spend most of their life in?
Interphase.
What phase do spindle fibers start forming?
Prophase
What do we call the cells that are produced at the end of Mitosis?
Genetically identical daughter cells