AP BIOLOGY Welcome! Why are you here?. Resources: Class blog and New Textbook biohart.wordpress.com...
Preview:
Citation preview
- Slide 1
- AP BIOLOGY Welcome! Why are you here?
- Slide 2
- Resources: Class blog and New Textbook biohart.wordpress.com
biohart.wordpress.com biohart.wordpress.com
- Slide 3
- Labs 12 required one essay guaranteed on AP exam 12 required
one essay guaranteed on AP exam Detailed written reports Detailed
written reports Suggestion inexpensive separate folder for
completed labs Suggestion inexpensive separate folder for completed
labs
- Slide 4
- Perseverance: Ask questions Ask questions Help one another Help
one another Stay on top of it Stay on top of it Deep breathing
exercises Deep breathing exercises
- Slide 5
- Summer assessment Item analysis done! Item analysis done!
Content you guys seem to remember Content you guys seem to remember
Cells, DNA basics, and Ecology Content you guys need to brush up on
a bit Content you guys need to brush up on a bit Mitosis, Meiosis
and Mendelian genetics basics, and Evolution Content that we wont
review now but is coming up: biochemistry and science process
skills Content that we wont review now but is coming up:
biochemistry and science process skills
- Slide 6
- So where should we start?
- Slide 7
- Cellular Division - mitosis * What are some of the major
differences in the cell division of prokaryotic cells compared to
eukaryotic cells is? * Prokaryotic chromosomes do not separate
along a mitotic spindle like eukaryotic cells, others? *
Prokaryotic chromosomes do not separate along a mitotic spindle
like eukaryotic cells, others?
- Slide 8
- Slide 9
- Cellular Division mitosis in eukaryotes A plant cell has 12
chromosomes at the end of mitosis. How many chromosomes did it have
at the beginning of the cell cycle? C. 12
- Slide 10
- Slide 11
- Cellular Division mitosis in eukaryotes How many chromatids
would the plant cell with 12 chromosomes have in the G2 phase of
its cell cycle? D. 24
- Slide 12
- Slide 13
- Cellular Division - mitosis Humans have a 2n number of 46. How
many chromosomes would be found in each of the following? Humans
have a 2n number of 46. How many chromosomes would be found in each
of the following? A. Somatic cells = B. Gametes =
- Slide 14
- Cellular Division - meiosis The restoration of the diploid
chromosome number after halving in meiosis is due to The
restoration of the diploid chromosome number after halving in
meiosis is due to * fertilization
- Slide 15
- Cellular Division - meiosis
- Slide 16
- Homologous pairs?
- Slide 17
- Cellular Division - meiosis
- Slide 18
- One homologous pair has ____ number of sister chromatids? One
homologous pair has ____ number of sister chromatids?
- Slide 19
- Cellular Division - meiosis Each sister chromatid has their own
kinetochore Each sister chromatid has their own kinetochore
- Slide 20
- Cellular Division - meiosis
- Slide 21
- 27. The restoration of the diploid chromosome number after
halving in meiosis is due to B. fertilization
- Slide 22
- Is this organism homozygous or heterozygous? How do you
know?
- Slide 23
- Heterozygous dihybrid cross L= long ears L= long ears l = short
ears l = short ears R = red fur R = red fur r = white fur r = white
fur Long eared, white fur offspring are eaten more readily by
predators. Bummer. Long eared, white fur offspring are eaten more
readily by predators. Bummer.
- Slide 24
- Evolution Long eared, white fur offspring are eaten more often
by predators. Long eared, white fur offspring are eaten more often
by predators. Lets assume that all of the offspring of a population
with the above stated phenotype got eaten. Lets assume that all of
the offspring of a population with the above stated phenotype got
eaten. What effect does this have on the population? What effect
does this have on the population?
- Slide 25
- Evolution Nature selects based on phenotype but the impact is
at the level of genotype. Nature selects based on phenotype but the
impact is at the level of genotype. Bacteria are more and more
resistant to antibiotics. Why? Bacteria are more and more resistant
to antibiotics. Why? Directional selection by the way Directional
selection by the way
- Slide 26
- Evolution
- Slide 27
- Evolution Darwin proposed that new species evolve from
ancestral forms by the gradual accumulation of adaptations to
changing environments Explains our unity and diversity Explains our
unity and diversity
- Slide 28
- Evolution Explain natural selection the reproductive success of
the members of a population best adapted to the environment
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Cell Parts and Function Review TYPICAL ANIMAL CELL
- Slide 34
- Cell Parts and Functions Review Continued TYPICAL PLANT
CELL
- Slide 35
- Endomembrane System