AP BIOLOGY Welcome! Why are you here?

Resources: Class blog and New Textbook biohart.wordpress.com biohart.wordpress.com biohart.wordpress.com

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

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

Summer assignment Should be completed by now – if new to class register and submit answers by end of today!! Should be completed by now – if new to class register and submit answers by end of today!! Quiz on Thursday, September 9 th Quiz on Thursday, September 9 th Study Guide for Pre-requisite quiz Study Guide for Pre-requisite quiz –Complete it and ask questions tom.

Time to get to know you Find a partner – Q and A match up Find a partner – Q and A match up Once you find your partner…. Once you find your partner…. Find out the following from your partner: NAME, GRADE, POST HS PLANS, REASON FOR LIVING Share and Fill in Summer Assessment Answers Share and Fill in Summer Assessment Answers

Online Assessment 1. What is the building block of all living organisms B. cells 2. Each element has its own characteristic atom in which B. the atomic number is constant

Online Assessment 3.Radioactive isotopes can be used in studies of metabolic pathways because D. their location or quantity can be experimentally determined because of their radioactivity

Ex. RNA vs DNA Hershey and Chase

Online Assessment 6.A covalent bond between two atoms is likely to be polar if A. one of the atoms is much more electronegative than the other.

Water – super important for life Oxygen much more electronegative than Hydrogen so…get a great shape! Oxygen much more electronegative than Hydrogen so…get a great shape!

Online Assessment 7.A triple covalent bond would E. involve the sharing of six electrons. 8. A cation D.has a positive charge.

Top cation in biology? H+ H+ Hydrogen ion is really just a? Hydrogen ion is really just a? –PROTON

Online Assessment 9.The ability of morphine to mimic the effects of the body's endorphins is due to C.molecular shape similarities that allow morphine to bind to endorphin receptors ISOTOPES

Online Assessment 10.How many electrons does phosphorus have in its valence shell? A. 5 A A radioactive isotope of carbon has the mass number 14. How many neutrons does this isotope have? C. 8

Online Assessment Online Assessment 16.What type of bond would you expect potassium (K) to form? Atomic # = 19, Atomic Mass = #39 A. ionic; it would donate one electron and carry a positive charge

Online Assessment 18. One of the major differences in the cell division of prokaryotic cells compared to eukaryotic cells that D. the chromosomes do not separate along a mitotic spindle in prokaryotic cells

Online Assessment 19.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

Online Assessment 20.How many chromatids would the cell with 12 chromosomes have in the G2 phase of its cell cycle? D. 24

Online Assessment 22.Humans have 46 chromosomes. That number of chromosomes will be found in C. the somatic cells

Online Assessment 23. Sister chromatids C. each have their own kinetochore 27. The restoration of the diploid chromosome number after halving in meiosis is due to B. fertilization

Online Assessment 31. In most fungi and some protists, C. the multicellular organism is haploid 32.In the alteration of generations found in plants, B.the gametophyte generation produces gametes by mitosis

Online Assessment 38. The classification of organisms into hierarchical groups is called B. taxonomy 39. Darwin proposed that new species evolve from ancestral forms by A. the gradual accumulation of adaptations to changing or different environments

Online Assessment 40. The best description of natural selection is C. the reproductive success of the members of a population best adapted to the environment

Online Assessment 44. The smallest unit that can evolve is D.a population 50.The DNA of an organism has thymine as 20% of its bases. What percentage of its bases would be guanine? B.30%

Online Assessment 55. Transcription involves the transfer of information from A. DNA to RNA A. DNA to RNA 59.The cellular binding site for protein synthesis is E. the ribosome

Online Assessment 60.The codon is a three nucleotide sequence on ____ that dictates a specific ________. B. mRNA, amino acid

RECAP DUE BY END OF DAY – ONLINE SUMMER ASSESSMENT – new students only DUE BY END OF DAY – ONLINE SUMMER ASSESSMENT – new students only DUE Tom. – Summer assignment outline DUE Tom. – Summer assignment outline Due Tom. – Study Guide for Pre-requisite test Due Tom. – Study Guide for Pre-requisite test Pre-requisite knowledge test – thur Pre-requisite knowledge test – thur Welcome to AP Biology! Welcome to AP Biology!

Cell Parts and Function Review TYPICAL ANIMAL CELL

Cell Parts and Functions Review Continued TYPICAL PLANT CELL

Endomembrane System