27.2 Origin of Life
21. What do scientists think the early atmosphere of earth was like?
22. What did the Stanley Miller apparatus and experiment show?
23. What are the three primary hypotheses concerning the stage in the origin of life that led to the
27.1 Evidence of Evolution
11. Translation requires three steps: List them and explain them.
The three steps of translation are chain initiation, elongation, and termination.
12. What is a gene mutation? What are some causes? Explain them?
A gene mutation
22.1 Pg 442-447 EARLY ANIMAL DEVELOPMENT
1. What are 4 characterisitcs of cancer cells?
2. What is a proto-oncogene? What can happenes if this mutates? How does figure 25.8
3. What does a growth factor have to do with proto-oncogenes? Wha
30.3 Molluscs pg 629-631
What is elephantiasis caused by?
Filarial worm (and mosquitos)
Look at the science focus Protostomes vs. Deuterostomes: What animals are grouped with
Protostomes and which are grouped with Deuterostomes.
Mollusks, annelids, arthro
Chapter 4.6 Receptor-Mediated Synapses
28. What is the difference between phagocytosis and pinocytosis?
In phagocytosis large particles such as bits of food or other cells enter the cell through
vesicle formation of the membrane. Small particles such as l
5.1 Cell Increase and Decrease
1. Give three examples that support the statement: opposing events keep the body in
Three examples of opposing events maintaining bodily homeostasis are molecular
transport into and out of the cell, increasing a
5.2 Maintaining the Chromosome Number
10. Why can there be 2 meters of DNA in every cell?
There can be two meters of DNA in every cell because it is coiled and condensed by
11. What is a nucleosome?
Nucleosomes are the beads that make up histone
30.1 Evolutionary Trends Among Animals pg 618-620
Write the Phyla in inverebrates and some characteristics of each:
Porifera-asymmetry, sac body plan, pores, collar cells
Cnidaria-radial symmetry, sac body plan, stinging tentacles with nematocysts
22.4 Gene Expression pg 490-497
What is a eukaryotic cell? What is a prokaryotic cell? What is the difference between the cell
division in each?
In a eukaryotic cell, or one with a membrane-bound nucleus, cell division duplicates all
of the chromosomes an
4.5 Excocytosis and Endocytosis
23. Why are transport proteins sometimes called pumps?
Transport proteins are sometimes called pumps because they use
energy to move molecules against the concentration gradient. This is similar
to the function of common pu