Final Review

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Transcript Final Review

Biology Final Review Part A

Which part of the scientific method?

• “If the height of the Fast Plant is related to the amount of fertilizer, then the more fertilizer, the taller the plant will grow.” • A. observation • B. inference • C. hypothesis • D. conclusion • ANSWER: hypothesis

What inference can be made?

• • • •

A. Temperature is unrelated to number of organisms B. As the temperature increases, so does the number of organisms C. As the temperature increases, the number of organisms decreases ANSWER: B

What is the sugar pill group’s purpose?

Group A is given a pill to test

Group B is given a sugar pill

• A. experimental group • B. control group • C. taste test • D. limiting factor • ANSWER: B

Handout • Bacteria Identification: Bacteria Shapes Let’s say you go to the doctor to see if you have Strep Throat. How do they determine that?

NOTE SHAPES AND CLUSTERS

How to Identify bacteria • Endospore Forming

Note capsule and flagella

Glucose Fermentation • None Fermentation Ferm. + gas • Differential Media - Detection of Acid from Glucose, Page 2 (more test results)

Bacterial Identification - The API 20E System (Link)

Note shapes, clusters, color • Stapylococcus Gram positive • Staphylobacillus Gram negative

What is the measurement?

A. 8 mL

B. 7 mL

C. 6 mL

meniscus •

D. 6.3 mL

E. 6.6 mL

ANSWER: E

Using a compound light microscope, which is 40 X, which is 400X?

• A B • ANSWER: • 400X 40X

Where are these parts?

• Revolving nose piece • Coarse adjustment • Fine Adjustment • Stage • Base • Arm • Diaphragm • Condenser • Objectives

To first find an object use on a microscope: A B C D

What structure is used to fine focus an object?

A B C D

When should you wear goggles?

• A. Only if you do not have corrective lenses.

• B. all times when instructed by the instructor • C. to improve your vision • D. avoid eye strain • ANSWER: B

Who should clean up the lab table and put away the supplies?

• A. Teacher • B. Students entering the lab.

• C. Students leaving the lab.

• D. Custodian • ANSWER: Students leaving the lab

Process of substances moving from a region of HIGH to LOW concentrations is called: • A. phagocytosis • B. osmosis • C. active transport • D. diffusion • ANSWER: diffusion osmosis is hi to low of water through a selectively perm. memb

What is the basic structural and functional unit of living things?

• A. atom • B. molecule • C. cell • D. organism • ANSWER: cell

What movement goes through a membrane low to high concentration and requires energy?

• A. Passive Transport • B. Active Transport • C. Facilitate Transport • D. Endocytosis •

ANSWER: B

If a cell contains a nucleus, it must be: • A. eukaryotic • B. prokaryotic • C. an animal • D. a plant • ANSWER: A

How long is each cell?

• A. 2 mm • B. 1 mm • C. 0.5 mm • D. 0.25 mm • ANSWER: C • Field diam. Divided by how many cells fit across

How long is each cell?

0.5 mm = ?

• A. 5000 µm • B. 500 µm • C. 50 µm • D. 5 µm • ANSWER: B • Multiply mm by 1000 for µm

POLYMER

• Carbohydrates (1:2 C:H) – starch in plants – Glycogen in animals •

MONOMER

• Monosaccharide • Lipids • 3 Fatty acids and glycerol • Protein • Nucleic Acids • Amino acids (NH phosphate, base) 2 ) • Nucleotides (sugar,

What are two necessary elements for organic compounds?

• A. carbon and nitrogen • B. carbon and oxygen • C. carbon and hydrogen

ANSWER: C and H

Which are characteristics of plant cells?

• A. Have chloroplasts • B. Undergo cellular respiration • C. Go through mitosis and meiosis • D. Have centrioles • E. Have cell walls • F. photosynthesize ANSWER: All except D

Which are characteristics of animal cells?

• A. Have chloroplasts • B. Undergo cellular respiration • C. Go through mitosis and meiosis • D. Have centrioles • E. Have cell walls • F. photosynthesize ANSWER: B,C, D

Osmosis in Plant Cells • Water moves from hypo to hypertonic

High salt on outside equal in and out Low salt on outside

If a plant wilts, which organelle will most be affected?

• A. nucleus • B. large central vacuole • C. lysosomes • D. chloroplasts • ANSWER: B

What was done to slide B of human cheek cells?

• A • B • Not stained stained

If a cell was placed in distilled water for 15 minutes, what would happen?

• • A. Cell would swell and burst • B. Cell would shrink • C. Cell would not change • HINT: water moves from hypo to hypertonic ANSWER: A

Identify the site of: • A. where proteins are repackaged • B. cellular respiration • C. protein synthesis

Identify the site of: • A. where proteins are repackaged Golgi • B. cellular respiration mitochondrion • C. protein synthesis ribosome

Where is the site of: • A. microtubules used in cell division in animal cells only • B. Rough ER 11

Where is the site of: • A. microtubules used in cell division in animal cells only (11) • B. Rough ER (6) 11

In eukaryotic cells, asexual cell division is called: • A. mitosis • B. meiosis • C. centrosome • D. cytokinesis • ANSWER: “A” Mitosis makes somatic (body) cells and meiosis makes sex cells

What are the numbers?

• • • • •

DIPLOID(2n) 50 18 46 Which are human somatic cells?

• • • •

HAPLOID (n) 25 9 23

• •

46 (somatic or body) –diploid (mitosis) 23 (sex)-haploid (meiosis)

Put the phases of mitosis in order: • Metaphase telophase anaphase prophase •

ANSWER: PMAT

In which phase is DNA replicated?

G1 (gap 1) G2 (gap 1) S (synthesis) M (mitosis)

ANSWER: S

Which of the following is not true of a

gamete?

• A. female is an egg • B. male is sperm • C. produced by mitosis • D. can fuse with one another to form a zygote • ANSWER: C

What is the normal number of chromosomes in a normal body human cell?

• 92 • 46 • 23 • 21 •

ANSWER: 46

What process is shown?

• A. mutation • B. nondisjunction • C. independent assortment • D. crossing over • ANSWER: D

Identify if a property of (

P

) photosynthesis or of (

CR

) cellular respiration: • Gives off oxygen • Gives off carbon dioxide • Uses sunlight • Makes ATP • Makes glucose

Identify if a property of (

P

) photosynthesis or of (

CR

) cellular respiration: • Gives off oxygen P • Gives off carbon dioxide CR • Uses sunlight P • Makes ATP CR • Makes glucose P • Uses oxygen to burn glucose CR

In what organelle do these processes happen?

• PHOTOSYNTHESIS • ANSWER: chloroplast • CELLULAR RESPIRATION • ANSWER: mitochondrion

The most ATP is made in what process?

• A. Glycolysis -anaerobic • B. Kreb’s cycle -aerobic • C. ETC and chemiosmosis -aerobic • D. Lactic Acid Fermentation -anaerobic

The most ATP is made in what process?

• A. Glycolysis (2) -anaerobic • B. Kreb’s cycle (2)-aerobic • C. ETC and chemiosmosis (34)-aerobic • D. Lactic Acid Fermentation (2)-anaerobic • ANSWER: C

What is the name of the pigment that captures the most sunlight?

• A. carotenoids • B. chlorophyll • C. Xanthophylls • D. melanin • ANSWER: B

Fermentation is not as effective as cellular respiration because: • A. it uses more ATP than it produces • B. it does not use all the water supplied to it • C. it loses electrons to the cell during its reactions • D. it does not completely break down glucose • ANSWER: D

What is the source of nearly all the

oxygen

in the world?

• A. decayed matter • B. splitting of water • C. splitting of carbon dioxide • D. breaking down of glucose • ANSWER: B

Plants store their extra glucose in a large carbohydrate polymer called: • A. proteins • B. fat or lipid • C. glycerol • D. starch • ANSWER: D

The greenhouse effect is: • • • • • •

A. decreased by photosynthesis (takes out CO 2 ) B. increased by photosynthesis C. decreased by burning fossil fuels D. increased by burning fossil fuels (puts in CO 2 ) Greenhouse Effect - animated diagram (link) Photosynthesis diagram (link)

ANSWER: both A and D

Autotrophs that utilize light as their energy source are: • A. chemosynthetic • B. photosynthetic • C. carnivores • D. herbivores • ANSWER: B

Where is the energy released from in ATP?

• A. Between the last two phosphates • B. Between the adenine and a phosphate • C. Between the adenine and the ribose • D. Between the ribose and a phosphate • ANSWER: A

An organic compound that has a ratio of 2:1 of H:O is a(n): • A. carbohydrate • B. lipid • C. protein • D. nucleic acid • ANSWER: A. carbohydrate

A protein that ends in –”ase” that speeds up organic chemical reactions is: • A. lipids • B. organics • C. carriers • D. enzymes • ANSWER: D

What is (are) the reactant (s)?

• CO 2 + H 2 O H 2 CO 3 • •

ANSWER: CO 2 and H 2 O Products are on the right

•You are fools for not paying attention.

How many protons are in Na?

23 Na 11 P + n (subtract 23-11 for n) P (same as e-)

• •

ANSWER: 11 protons 12 neutrons 11 electrons

Catalyst proteins that controls chemical reactions are called: • A. enzymes • B. carbohydrates • C. ATP • D. nucleic acids • ANSWER: enzymes

RNA and DNA are: • A. carbohydrates • B. nucleic acids • C. lipids • D. proteins • ANSWER: B

Lipids are combinations of: • A. amino acids • B. ribose + phosphates • C. fatty acids + glycerol • D. monosaccharides •

ANSWER: C

What is the function of each?

• Carbohydrate • Protein • Nucleic acid • Lipid • • • •

Energy for cells Skin, muscles, etc.

Genetic info Energy storage and cell membranes

Underline Which is Correct • • • •

T = dominant or recessive And t = dominant or recessive Tt = heterozygous or homozygous TT, and tt = heterozygous or homozygous

Underline Which is Correct • • • •

T = dominant or recessive And t = dominant or recessive Tt = heterozygous or homozygous TT, tt = heterozygous or homozygous

TT, RR, HH are all: • A. homozygous recessive • B. homozygous dominant • C. heterozygous recessive • D. heterozygous dominant • ANSWER: B

What are the male and female chromosome symbols?

• MALE • ANSWER: XY • FEMALE • ANSWER: XX

Alternate forms of a gene, like purple and white flowers, are: • A. traits • B. alleles • C. points • D. telomeres • ANSWER: B

What are the ratios for the cross of Ss x Ss?

• A. phenotypic • B. genotypic • S=smooth • And s=rough

What are the ratios for the cross of Ss x Ss?

• A. phenotypic 3 Smooth:1rough • B. genotypic 1 SS: 2:Ss:1ss

S S

SS Ss s • S=smooth • And s=rough s Ss ss

Genotype and Phenotype?

• Which is the genotype?

• TT : Tt : tt Tall : short •

Genotype are the letters, TT, Tt , tt

Phenotype is the description: Tall : short

Thomas Morgan discovered sex linked traits in the fruit fly.

• How many male Brown eyed flies are predicted?

• B= brown and b=blue • ANSWER: 100% brown males

Sex-linked Trait Problem • In humans, red-green color-blindness is a sex-linked trait located on the X chromosomes.

• Normal vision (X N ) is dominant to color blindness (X n ).

• Using a Punnett square, cross a heterozygous female with a male that has normal vision.

Did you use these parents?

X

N X n X N Y

Did you fill in these offspring?

X N

X

N X n

X N X N

X

N

X

n

Y

X

N

Y X

n

Y

What is the genotypic ratio?

X N

X

N X n

X N X N

X

N

X

n

Y

X

N

Y X

n

Y

Genotypic: Females 1 X N X N : 1 X N X n Males: 1 X N Y : 1 X n Y

What is the phenotypic ratio?

X N

X

N X n

X N X N

X

N

X

n

Y

X

N

Y X

n

Y

Genotypic: Females all Normal Males: 1 Normal : 1 colorblind

CONTRAST • • • • • Mitosis

2N to 2N (diploid) Makes somatic (body) cells Humans: 46 somatic cells Has 1 division

• • • Meiosis

2N to N (haploid) Makes sex cells

Humans: 23 sex cells

Has 2 divisions

What is this chart called?

• Punnett • Karyotype • Pedigree • ANSWER: • karyotype

What is this genetic disorder?

• Down • Klinefelter’s • Turner’s • Marfan • ANSWER: Down Syndrome

What is this genetic disorder?

• Down syndrome trisomy 21 • Klinefelter’s XXY • Turner’s XO • Marfan

What is this chart called?

• Punnett • Pedigree • Karyotype • ANSWER: Pedigree

B=brown eyes b=blue eyes bb=shaded • What is the genotype of parent I-1?

• ANSWER: Bb

How many children did I-1 and I-2 have?

• A. 2 B. 3 C. 4 D. 7 • ANSWER: 4

What is the sex of the child at the arrow?

• ANSWER: male

Match the scientists: • • • •

A. Founder of Genetics, pea plants B. Father of Evolution, natural selection C. Found the structure of DNA D. Acquired traits

• • • •

1. Watson,Crick 2. Mendel 3. Darwin 4. Lamarck

• • •

ANSWER: A-2 B-3 C-1 D-4

What is the complementary DNA strand?

• A T C C G A C T A G G •

T A G G C T G A T C C

A-T C-G for DNA to DNA

What is the complementary RNA strand?

• A T C C G A C T A G G •

U A G G C U G A U C C

• •

DNA – RNA A-U C-G (no T’s)

What would be… • DNA ATC mRNA? ____ tRNA? ____

What would be… • DNA ATC mRNA?

UAG

tRNA?

AUC