bio 130 exam 2 1

a69 read the book and follow the instruction to write 1page discussion
March 22, 2021
write about this man steven jobs the one made apple store
March 22, 2021

bio 130 exam 2 1

Things to review and be able to answer:

What functional groups are important for making biomolecules?

What is a carbohydrate? What is its ratio and general formula?

What 2 groups of carbohydrates are there (based on size/linkages)?

What are 3 kinds of polysaccharides and what organisms can you find each

in?

What important roles (more than 1) do lipids have in living organisms?

What physical/chemical property do lipids display that makes them unique?

Where can you find lipids in a cell?

What is the purpose of DNA in a cell? What is it (ultimately) used to make?

What are 4 types (groups) of Lipids?

What makes phospholipids unique in terms of their chemistry? What physical

property do they display?

What cell structure are phospholipids important in the formation of?

What part of a triglyceride determines whether it is solid or liquid at room

temp? What about its structure changes to make it solid or liquid?

What is the most hydrophobic of all lipids?

What are 2 kinds of steroids and where can they be found in cells?

What is the 3 parts structure of DNA, and what larger structure do 2 strands

of DNA form?

What is the purpose of DNA in a cell? What is it used to make?

What jobs do proteins have in living organisms?

What is a protein composed of ?

What is the basic structure of an amino acid (how many parts does it have,

and list them)?

How many amino acids are there in total, and how many are essential? What

does essential mean?

What is the endomemebrane system? What organelles does it include? List

all of them and their basic function.

What is the difference between mitochondria and chloroplasts? Can you find

both in all eukaryotic cells? If no, where are they located?

What are the big differences between prokaryotic and eukaryotic cells? Be

able to list at least 3 differences

Differences between plant and animal cells, know at least 3 differences.

What does the cytoskeleton do? What 3 elements does it contain?

What do microfilaments do besides provide structure for a cell?

What specialized structures do microtubules form for locomotion of cells?

What is the endosymbiotic theory of eukaryotic cells?

What organelles show evidence of endosymbiosis?

Give 2 pieces of evidence for endosymbiosis of eukaryotic organelles.

What biomolecules make up the composition of cell membranes?

What 2 types of lipids are most abundant in membranes?

What role do proteins play in membranes (at least 3)?

What kinds of molecules can pass through a membrane unaided (using

diffusion)?

What kinds of molecules can’t make it through a membrane unaided?

What is a gradient?

What is the difference between diffusion and osmosis?

What happens to a cell in each of the following situations: isotonic solution,

hypotonic solution, hypertonic solution? Be able to draw a picture of a cell in

each situation and label concentrations of solutes and movement of water.

What is the difference between facilitated diffusion and active transport?

What is the reason for active transport in cells? What does this type of

transport ultimately create?

What is the difference between endocytosis and exocytosis?

What are the 2 forms of endocytosis and what is the difference between

them?

What kinds of materials are transported into and out of cells through endo

and exocytosis?

What is the relationship between homeostasis and transport of materials in

cells?

What is energy? What is work?

What are the 2 types of energy that exist?

Give a real life example of both types of energy in living systems

 
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