1. EOC Cells and DNA 2 3 Cell Structure Homeostasis Composition of DNA Function and action of DNA...

Cells and DNA

Cell StructureHomeostasisComposition of DNAFunction and action of DNATaxonomyOrgan Systems

√√

Science ConceptsThe student knows living systems are found within other living systems, each with its own boundary and limits. The student is expected to:(A)Investigate and identify cellular processes…

function of cellular parts

(B) describe components of deoxyribonucleic acid (DNA)

Parts of the animal cell

Parts of the animal cellNucleus

Parts of the animal cellNucleusContains the cell’s genetic information stored in the DNA codes.

Parts of the animal cellMitochondria

Parts of the animal cellMitochondriaProduces the cell’s energy

Rich in ATPthe

“powerhouse”

Parts of the animal cellRibosome

Parts of the animal cellRibosomesite of protein synthesis.

located on the endoplasmic reticulum

Where is a cell’s energy produced?

Where is a cell’s energy produced?the mitochondria

What is the “energy molecule”

What is heat?

Energy

What is heat?

Energy?

What is heat?

Energy? Contain the genetic information of the cell

What is heat?

Produces the cell’s energy, ATP

What is heat?

Produces the cell’s energy, ATP

What is heat?

Energy?

Contain the genetic information of the cellProduces the cell’s energy, ATP

What is heat?

Energy?

Contain the genetic information of the cellProduces the cell’s energy, ATPContains the genetic information, DNA

What is heat?

Energy?

Contain the genetic information of the cellProduces the cell’s energy, ATP

Control center of he cell (DNA, chromosomes)

What is heat?

Energy?

Contain the genetic information of the cellProduces the cell’s energy, ATPContains the genetic information, DNASite of protein synthesis

What is heat?

Energy?

Contain the genetic information of the cellProduces the cell’s energy, ATPContains the genetic information, DNASite of protein synthesis

What is heat?

EnergyContain the genetic information of the cellProduces the cell’s energy, ATPContains the genetic information, DNASite of protein synthesis

What is heat?

no nucleus

prokaryote

Fission means to “split”

prokaryote

Fission means to “split”

prokaryote

prokaryote What type of cell is this?

Bacterium

Areobic = use oxygen= anareobic = lack of oxygen

oxygen deprivation

What is the error?

Cell B has no nucleus

What is the error?

? Cell A has cytoplasm

What is the error?

? Cell A has cytoplasmx

What is the error?

? Cell A has cytoplasmx

What is the error?

? Cell A has cytoplasmxIncorrect - No nucleusx

What is the error?

?Cell A has cytoplasmxIncorrect - No nucleusx

What is the error?

?Cell A has cytoplasmxIncorrect - No nucleusxHmmm---not sure----

What is the error?

Cell A has cytoplasmxIncorrect - No nucleusxHmmm---not sure----That’s true. The nucleus contains the instructions in the DNA to create proteins

What is the error?

Cell A has cytoplasmxIncorrect - No nucleusxHmmm---not sure----That’s true. The nucleus contains the instructions in the DNA to create proteins

Photosynthesis

PhotosynthesisReactants

Photosynthesis

CO2 + H2OReactants

carbon dioxide water

Photosynthesis

CO2 + H2OReactants

yield sign

Photosynthesis

CO2 + H2OReactants

yield sign

Products

Photosynthesis

CO2 + H2O C6H12O6 + O2 Reactants

yield sign

Products

glucose (sugar) oxygen

Photosynthesis

Products

Photosynthesis

Products

chlorophyl

Photosynthesis

Products

chlorophyl

Where does all of this take place?

CO2 + H2O C6H12O6 + O2 glucose (sugar) oxygen

Products

chlorophyl

Where does all of this take place?

In a PLANTChloroplasts

Products

chlorophyl

Respiration

Products

chlorophyl

RespirationReactants

Products

chlorophyl

C6H12O6 + O2 glucose (sugar) oxygen

Products

chlorophyl

What do you notice at this point?

Products

chlorophyl

The products of photosynthesis become the reactants for respiration

Products

chlorophyl

Products

chlorophyl

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

Products

chlorophyl

C6H12O6 + O2 Products

CO2 + H2O carbon dioxide

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

What happened to the energy?

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

ical e

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

ical e

Cell metabolism

Products

chlorophyl

ProductsCO2 + H2O

carbon dioxide

ical e

Cell metabolism

PHOTOSYNTHESIS

PHOTOSYNTHESISPLANTS

PHOTOSYNTHESIS

RESPIRATION

PLANTS

PHOTOSYNTHESIS

RESPIRATION

PLANTS

ANIMALS

What happens to the energy after it is released from the sugar (food) molecule provided by the plant?

It is stored in the ATP molecule located in the mitochondria.

For each glucose molecure-

36 ATP molecules are created for cell metabolism

? Photosynthesis does not produce ATP.

?Photosynthesis does not produce ATP.

xThis is backwards.

?Photosynthesis does not produce ATP.

xThis is backwards.x

Photosynthesis does not produce ATP.

xThis is backwards.x

xThis is backwards.xOh, please……

xThis is backwards.xOh, please……x

xThis is backwards.xOh, please……xCorrect!!

waterC6H12O6 + O2

Cellular Respiration

waterC6H12O6 + O2

This question begins are

discussion of

What does DNA stand for?

deoxyribonucleic acid

deoxyribonucleic acid D

deoxyribonucleic acid D N

deoxyribonucleic acid D N A

Where is DNA located?

In the nucleus

Where is DNA located?

In the nucleus

Does the DNA ever leave the nucleus?

What is the purpose of DNA?

It stores the complete genetic

information regarding the

organism

What is a more specific purpose of

DNA?It contains all the information needed to make proteins – the molecules that determines the

identity of the organism.

What are proteins made of?

amino acids (20)

So are proteins made in the nucleus

where the DNA is located?

Well, where are they produced?

In the ribosomesRibosomes are located in the cytoplasm on the endoplasmic reticulum

Time out!

1. If the DNA contains the info for making proteins but does not leave the nucleus and:

2. The proteins are made at the ribosomes in the cytoplasm, then:

How does the cell get the genetic code for making proteins from the

nucleus to the ribosomes?

The genetic code is copied onto

RNAAnd the RNA carries the coded information to the ribosomes

What does the DNA macromolecule look like?

A Double Helix

What is the basic unit of DNA

The nucleotide

What are the parts of the nucleotide?

11. The phosphate group.

2. The sugar

3. One of four nitrogen bases

phosphate

phosphate suga

rBackbone

phosphate suga

rBackbone

Nitrogen base

How are the bases paired in DNA

G CC G

Finally, what is the difference between DNA and RNA

DNA RNA1. Double

stranded

1. Single

stranded

Finally, what is the difference between DNA and RNA

DNA RNA1. Double stranded2. Thyamine T

1. Single

stranded

2. Uracil U

? RNA doe not have thymine (T)

? RNA doe not have thymine (T)x

? RNA doe not have thymine (T)xPossible answer

?RNA doe not have thymine (T)x

Possible answer

Possible answerDumb answer

Possible answerDumb answerx

RNA doe not have thymine (T)xPossible answerDumb answerx

No. We’ll dicuss codons later.

RNA doe not have thymine (T)xPossible answerDumb answerx

No. We’ll dicuss codons later.x

RNA doe not have thymine (T)xDumb answerx

No. We’ll dicuss codons later.x

What is the control center of the cell?

the nucleus

What molecule carries the code for protein synthesis?

1. EOC Cells and DNA 2 3 Cell Structure Homeostasis Composition of DNA Function and action of DNA...

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