lauren's blog :)

2009-04-06T10:39:00.001-07:00

2008-11-03T10:38:00.000-08:00

The 7 main differences between Bacteria and Eukaryotic cells are:

- Bacteria are prokaryotes. Bacterial cells have no internal compartments or membrane systems.

- bacteria cells are about 1um in diameter. Eukaryotic cells are more than 10times that size.

- all bacteria are single cells.

- bacterial chromosomes=single circular pierce of DNA. eukaryotic chromosomes=linear pieces of DNA

- bacteria reproduces in which one cell pinches into two cells; in eukaryotes, microtubes pull chromosomes to opposites poles of the cell during mitosis then the cytoplasm of the eukaryotic cell divides in half, forming two cells.

- bacteria are simple structures composed of a single fiber of protein. Eukaryotic flagella are more complex.

- B=metalic abilities that eukaryotes lack.

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Gram staining is important in medicine because the two groups of bacteria differ in their susceptibility to different antibiotics.

Conjugation ~ is a process in which two organisms exchange genetic material.

Parts of a cell

2008-10-03T10:33:00.000-07:00

WHATS IN A CELL?

nucleus - organelle that houses the DNA of eukaryotic cells

golgi aparatus - organelle that packages and distribes molecules produced by a eukaryotic cells

lysosome - organelle in a eukaryotic cell that contains digestive enzymes

cell membrane - lipid bilayer with embedded proteins that encloses the cytoplasm; essentioal to the cell's cytoplasm; also called the plasma membrane

mitochondia - organelle that produces much of that ATP made by a eukayotic cell

ribosome - organelle on which proteins are made

endoplasmic reticula - cell membranes in the cytoplasm that transport substances made by the cell

vacuole - membrane bound cavity in plan cells used for storage

2008-09-03T10:45:00.000-07:00

THIS IS JAKE.... not :)

jake is a horse-racer. aka. little tiny cowboy jocky.

he is the next lester priest!

awwwwyaaaahhhhhson.

Camas

2008-06-06T11:32:00.000-07:00

Spokane words for camas, the land where it grows, basalt, root digger.

Type of biome where the camas grows in? The camas grows in plain fields, mainly dry lands.

Types of rock and soil found there and how the rocks were formed? basalt rocks were found. the rocks combined together to make bigger rocks.

Type of climate and precipitation. (Why is it so dry?) The area the camas is in does not get a lot of rain, plus the roots to the camas are very high to the ground which makes it so they can grow as big.

Types of elements and minerals commonly found in the rocks? basalt.

Pictures or diagram of the energy cycle in that biome (see biology text for help)

How the plant is harvested explain why the root digger is needed (what gets in the way?) the digger is needed so you don't break the roots that is connected to the camas. that is why you have to stick the digger AROUND the camas in order to get it out of the ground.

A drawing of a root digger with labels explaining (type of machine, how it works, what is it's

mechanical advantage, how does it work on the soil, rocks and plants? the pointy end of the digger helps get out the camas easier. it will not break the plants.