SNC2D
By the age of 20, how many cells make up our bodies? 100 trillion cells
What does DNA stand for? Deoxyribonucleic acid
What happens during Metaphase? Paired chromosomes align in the middle of the cell
Two identical cells are formed in this stage of mitosis Cytokinesis
Paired chromosomes are attached at this spot centromere
Chromosomes separate and move to opposite ends of the cell Anaphase
Spindle fibers break down and chromosomes lose their shape during this phase Telephase
What term matches the following definition.. Long piece of coiled DNA and proteins Chromosome
List 3 life processes of the cell Growth, movement, reproduction Could also include: waste removal, exchange of gases, intake of nutrients, etc.
What is the largest zoom on the objective lens using our compound microscopes in class? 40x
If the power of the objective lens is 40 times, and the power of the ocular lens is 10x, what is the power of the microscope? 400x
What are the stages during mitosis and which one takes the longest time? Explain your reasoning. Prophase, Metaphase, Anaphase, Telephase, Cytokinesis Prophase takes the longest time because it has two phases – more happens during prophase than any other phase of mitosis
List two differences between plants and animal cells Plant cells have larger vacuole Plant cells contain chloroplast Plants contain cell walls Animal cells have centrioles Animals cells have specialized compounds
I am a jelly-like substance that fills the cell and surround the organelles. I also contain nutrients required by the cell to carry on its life process. What am I? cytoplasm
Which organelle is filled with enzymes? Lysosome
What is photosynthesis? Plants use energy from the Sun to convert carbon dioxide and water into sugar and oxygen
Eyeball is to human as ____________ is to microscope Ocular lens
Why are fluorescent substances added to cells when using the compound microscope? When cells are placed in UV light the fluorescent substance will glow, making the parts of the cell more visible. To improve contrast between parts of the cell and its background
Blueprint is to building as _________ is to a cell DNA
What acronym could be used to remember the phases of mitosis Backwards sTAMP
How long does the cell stay in Interphase? 90% of the time
Name one of the scientists who discovered that DNA was in a double-helix shape. James Watson and Francis Crick – wrote paper Maurice Wilkins – helped with discovery
What three stages occur during Interphase? Cell growth, DNA replication and preparation for Mitosis
T F The mitochondria is the control centre of the cell FALSE - nucleus
Name a specialized compound that an animal contains Cholesterol, red and white blood cells, insulin, taste buds – lots more!
Correct these statements: The golgi apparatus is the powerhouse of the cell Telephase is the last stage of mitosis mitochondria cytokinesis
Put the stages of mitosis in order Metaphone, Early prophase, interphase, late prophase, telephase, cytokinesis, anaphase Early prophase, late prophase, metaphase, anaphase, telephase, cytokinesis
What is a chromosome? Coiled DNA
What happens to the cell when it does not go through apoptosis. In turns into cancer cells and keeps spreading
What environmental factors can contribute to mutated cells? What can these factors lead to? Factors can include smoking, the SUN, inhaling toxic chemicals, etc. These factors can lead to various types of Cancer
What would happen if our vacuoles stopped working in our cells? The bodily functions require water in our system would cease functioning (cells cannot obtain water)
Mr. ________ was found killing crippled people around Nucleus Town. He was filled with dirty enzyme thoughts. Who did it? Mr. Lysosome