Font size
Worksheetsstudy
Total questions: 84
Worksheet time: 4hrs 54mins
How many stages are in the cell cycle?
1
2
3
4
What are the stages of the cell cycle ?
Anaphase
Interphase
M phase (Mitosis)
Cytokinesis
What happens during interphase ?
The cell prepare for cell division
Where the cell spend most of it's time
Replicate it's chromosomes
cell divison
When does Interphase occur ?
Before M-phase (Mitosis)
After M-phase (Mitosis)
When is Cytokinesis in the cell cycle?
At the very end
In the middle
At the begin
What is happening during M- Phase?
the cells spilt into 2
chromosomes are replicated
Cell division
the cell prepare for cell division
What are the 3 subphases of Interphase? ( In order)
(a)
What occurs in the subphase G1 in during the cell cycle in interphase?
Cell growth physically and increases the volume of protein and organelles ( GROWTH)
Further cell growth and organisation of cellular contents
Cell copies it's DNA to produce 2 sister chromatids and replicates it's nucleosomes
What occurs in the subphase S during interphase in the cell cycle?
Further cell growth and organisation of cellular contents
Cell growth physically and increases the volume of proteins and organelles.
Cell copies it's DNA to produce 2 sister chromatids and replicates it's nucleosomes (DNA synthesis, replication)
What occurs in the subphase G2 during interphase in the cell cycle?
Cell copies it's DNA to produce 2 sister chromatids and replicates it's nucleosomes
Further cell growth and organisation of cellular contents ( More growth, preparing to divide)
Cell grow physically and increase the volume of protein and organelles.
What is the division of the cytoplasm?
chromatids
chromosomes
chloroplasts
cytokinesis
What occurs during cytokinesis?
cell growth
DNA synthesis
spilt the parent cells into 2 identical daughter cells
ends the cell cycle
What is the division of the nucleus and contents and creates 2 diploid cells?
Cytokinesis
Meiosis
Mitosis
Telophase
When does Mitosis occur during the cell cycle?
After interphase
Before interphase
How many stages are there in Mitosis?
1
2
3
4
List the 4 stages of Mitosis?
(a)
What occurs during Prophase ?
The chromosomes are separated and moving towards the poles
Nuclear envelope reforms around 2 DNA and arrive at all poles
Chromosomes condense and nuclear envelope disappear
What occurs during Metaphase?
Cell chromosomes condense and move to the middle of dividing cell (meta=middle) and the nucleus also dissolves
Chromosomes condense, and the nuclear envelope disappears
Nuclear envelope reforms around 2 DNA
What occurs during Anaphase ?
The cells arrive at all poles
The Chromosomes are separated and are moving towards the poles
Cell growth
What occurs during Telophase?
Nuclear envelope reforms around 2 DNA and arrives at all poles
Nuclear division
Cell growth
What is a diploid?
2 sets of chromosomes
(46)
1 set of chromosomes (23)
What is a Hapliod?
2 sets of chromosomes (46)
1 set of chromosomes (23)
Somatic cells ( non- sex cells) undergo ?
Mitosis
Meiosis
What Organisms lack a nucleus and other organelles?
Prokaryotic
bacteria
algae
Eukaryotic
What is true about Prokaryotic cells?
Always apart on Unicellular organisms
Have both unicellular and multicellular organisms
have only multicellular organisms
Has no membrane-bond organelles
What contains a membrane- bound organelles and are the basis for BOTH unicellular and multicellular organisms?
Bacteria
Algae
Eukaryotic
Prokaryotic
What is a Eukaryotic cell and has Eukaryotic organisms?
Plant cells
Human cells
Animal cells
the chromosomes
Select the difference between Plant cells and Animal cells ?
Animals cells have centrosomes and lysosomes, while plant cells does not
Animals cells lack a cell wall, unlike a plant cell
Animal cells lack chloroplast and plant cells have one
Animals cells have centrioles but plant cells lack them
Plant cells are rectangular while animal cells are flat, ocal, or rod shaped
What is a Eukaryotic cell and lack a cell wall but have a cell membrane?
Animal cell
Plant cell
What is chromosomes in a diploid cell resegregate, producing 4 haploid daughter cells?
Mitosis
Meiosis 1
Anaphase
cytokinesis
What does sex cells (gametes) undergo?
Mitosis
Meiosis
Why are there 2 different divisions of Meiosis? (Meiosis 1, Meiosis 2)
because you are trying to make 4 haploid cells
because you are trying to make 2 haploid cells
becaue you are trying to make 4 diploid cells
because you are trying to make 2 diploid cells
What occurs during prophase 1 ? select answers
crossing-over
nuclear envelope breaks down
chromosomes condense
homologous chromosomes pairs move to the equator of the cell
What occurs during Metaphase 1?
homologous chromosomes pairs move to the equator of the cell
crossing over
nuclear envelope breaks down
chromosomes condense
What occurs in Anaphase 1?
homologous chromosomes separate and move to opposite poles of the cell
cell growth
cell division
crossing over
What occurs in Telophase 1 and cytokinesis
Chromosomes gather at the cell poles and the cytoplasm divides
Cell growth and the cytoplasm divides
cell division and the cytoplasm divides
crossing over and the cytoplasm divides
What is sister chromatids, within the 2 daughter cells separate, forming 4 new haploid gametes, each with 1 copy of each chromosomes?
Mitosis 1
Mitosis 2
Meiosis 1
Meiosis 2
What is stage in skipped in Meiosis 2?
Interphase
Prophase
Metaphase
Anaphase
Telophase
Why is interphase skipped during Meiosis 2 ?
In order to not replicate DNA again
because it least important of the cell cycle
because the cell spends most of it's time there and that's to long
because it will ruin the cycle if is there
What occurs during Prophase 2?
Centromere divide
Chromosomes line up at the equator
New Spindle forms around the chromosomes
Chromosomes line up in the middle
What occurs during Metaphase2?
Chromatids move to the opposite sides of the poles
Chromosomes line up at the equator
nuclear envelope dies
Chromosomes goes to all poles
What occurs during anaphase 2?
centromeres divide
chromatids move to the opposite poles of the cell
nuclear envelope forms around each set of chromosomes
new spindle forms
What occurs during telophase 2 and cytokinesis ?
nuclear envelope forms around each set of chromosomes and the cytoplasm divides
crossing over and the cytoplasm divides
new spindle forms and the cytoplasm divides
What is the pieces that exchange, when crossing-over occurs are called?
Chiasmata
Synapsis
Mitosis
Meiosis
When chromosomes line up tightly together ?
metaphase
crossing over
Chiasmata
Synapis
What are three ways bacteria can change their DNA during lifetime?
Chiasmata
Transformation
conjugation
transduction
Synapis
What is transformation ?
physically touching (shaking hands)
involves virus
Involves becoming porous and taking in foreign DNA
What is conjugation ?
involves virus
Physically touching (Shaking hands)
taking in foreign DNA
What is transduction?
involves viruses
physically touching (shaking hands)
taking in foreign DNA
involves becoming porous
How do you know if the agar plate has transformed?
it will melt
it will have bacterial growth
it will become a different color
it will explode
What is it called when drug use in transformation make it resistant?
Synapsis
Chiasmata
Ampicillin
GG X ggg
Monohybrid
Dihyrbid
RY RY X ry ry
monohyrbid
dihybrid
Form of dominance wherein the dominant allele completely mask the effect of the recessive allele in the heterozygous conditions
EX:
R - red
r - white
RR + rr = Rr ( Red) because the red is dominant
complete dominance
incomplete dominance
codominance
Each parental contribution is genetically unique and gives rise to progeny whose phenotype is intermediate ?
EX:
White x Red = Pink rose
complete dominance
incomplete dominance
codominance
2 versions alleles of the same gene are expressed separately to yield different traits in individuals
EX: Red + White = Red and White
incomplete dominance
Complete dominance
Codominance
BB
Homo = same
Dominant - upper case
Hetero = different
recessive- lower case
homo = same
recessive = lower case
hetero - different
dominant - upper case
bb
hetero = different
dominant - upper case
hetero= different
recessive - lower case
How many pairs of chromosomes we have ?
18
19
22
23
21
Chromosomes pairs 1-22 are ? ( traits - hair color, eye color, thumb, hair, freckles)
Autosomes
dipoild
hipolid
sex chromosomes
What is the 23rd pair of chromosomes?
x- linked traits
sex chromosomes
autosomes
hemophilia
The gene causing the trait or the disorder is located on the " x" chromosomes
Ex: X^H Y x X^H X^H
monohybrid
dihybrid
x- linked
disorders
What are the DNA nitrogen bases
A
T
C
G
U
What are the RNA nitrogen bases?
A
U
C
G
B
What are the Pyrimidines ?
C
T
U
G
A
What are the Purimines ?
A
G
c
B
What do you use with mRNA
(a)
Does DNA have a negative or positive charge?
negative
positive
What are the 3 subunits of nucleotide
sugar
phosphate
nitrogen base
acid
What gives DNA it's negative charge?
The phosphate nucleotide
The nitrogen base nucleotide
DNA migrates to the positive end because it has a (a) charge?
Short DNA migrates further in gel because?
they move slower through pores
they move faster through pores
What converts solar energy of a carbohydrate ?
chloroplasts
photosynthesis
cell cycle
calvin cycle
What are Cyanobacteria?
Autotrophs ( because the produce their own food)
Heterotrophs (because they rely on others for food)
If they make their own food they are - _____ , if they don't make their own food their are ____
Autotrophs; heterotrophs
heterotrophs; autotrophs
Photosynthesis take place in the ?
Chlorophyll (green part of the plant)
cytoplasm
nuclear envelope
ribsomes
Water are the 2 raw materials for photosynthesis?
water
soil
sunlight
carbon dioxide
What absorbs water and move up the vascular tissue ( gas comes through leaf)
Roots
Stomata
leaf
What does a plant need for photosynthesis ?
light
co2
water
soil
What are the holes on the underside of the leaf for gas exchange ?
soil
water
leaf
stomata
Where is chlorophyll located?
stomata
stem
leaf
thylakoid
NADP+ will accept 2 electrons and 1 hydrogen atom, when it is
Reduced
Oxidized
NADPH + gives up electrons when it is
Oxizided
Reduced
Does not require light photons, uses ATP and NADPH ( co2) to make sugar , ( light dependent reactions)
Light reactions
Calvin Cycle
