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Goes over all of the notes for Ms.Bloch

Define Photosynthesis

The process by which cells capture energy in sunlight and use it to make food.

Write the balanced chemical equation for photosynthesis.

6CO2 + 6H2O------ C6H12O6 + 602
(light)

Define the terms autotroph and neterotroph

hetrotroph-cannot make their own food
autotroph-can make its own food

Define respiration

The porcess by which cells "with draw" energy from gluclose

Write the blanced chemical equation for respiration

C6H12 + 6OS-------6CO2 + 6H2O + energy (ATP)

Describe where in the cell respiration occurs

it occurs in the cytoplasm and the mitochondra

define fermintation

An energy releasing process that does not require oxygen

List three reasons why the cell cycle is important for your body

Examples: let's you grow, keeps your cells from dying, repairs cuts and other wounds

List the three stages of the cell cycle

Interphase, Mitosis, Cytokinesis

State three events that occur during the first stage of the cell cycle

Growth, DNA Replication, Preparation for Division

Define replication in reference to DNA

The cell makes a copy of it's DNA inside its nucleaus

Describe the structure of DNA

The sructure of DNA is much like a ladder that is twisted with matching chemicals

List the four nitrogen bases according to their paring pattern

Thymine-Adenine
Guanine-Cytosine

Name the four phases of the second stage of the cell cycle, which is called Mitosis

Prophase, Metaphse, Anaphase, Teophase

Explain what happens during the thrid stage of the cell cycle, called Cytokinesis

During Cytokinesis, the cytoplasm divides, distributing the organelles into each of the two ne cells

Define cancer

is a disease in which cells grow uncontrollably, damaging cells and the rest of the body.

Describe how cancer begins

DNA in the cell gets damaged causing a mutation and the cell does not die out

Explain how cancer spreads

one cell develops and a tumor forms then the cells enter the blood stream spreadind all over the body

List three ways cancer can be treated

radiation, surgery, chemotherapy(drugs)

List two health habits that can prevent cancer

not smoking eating healthy

carcinogen

something that causes cancer

Biopsy

remove part of tissuse and test it to see if it is benign or malignant

malignant

cancerous tumor

benign

non-cancerous tumor

metastasis

cancer spreading through the bloodstream to other parts of the body

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