4/7/14
Biology

4/7/14


First we watched a video on why we need to know things. Then we did a worksheet over Micots vs. Dicots. Then we did a plant diagram coloring sheet. I need to start working on the pond lab since I did t have time this weekend. 


Alternation of Generations: Its the plants life cycle that takes them through haploid and diploid generations, similar to humans. The multicellular diploid, sporophyte, makes spores asexually. Then the multicellular haploid, gametophyte, which is formed from the spores. 




- Q: Explain Why Mutations For Antibiotic Resistance Spread So Rapidly Among Bacteria
Frequent use of antibiotic kills many bacteria, creating a selection pressure. As a result, bacteria with mutations that give them resistance to a particular antibiotic have an advantage over the other bacteria that do not. They survive to reproduce more...

- Haploid Chromosome Number
For humans the haploid number of chromosomes is 23 because their diploid number is 46; haploid is the half of diploid. For humans only their gametes, or sex cells, are haploid. Haploid means that a particular cell has only one member of each homologous...

- #32 Summary Of Cell And Nuclear Division
1. Growth of a multicellular organism is a result of parent cells dividing to produce genetically identical daughter cells. 2. During cell division the nucleus divides first, followed by division of the whole cell. 3. Division of a nucleus to produce...

- #31 Control Of Cell Division, Stem Cell, Haploid And Diploid Cells
Each cell contains genes that help to control when it divides. Cells divide by mitosis only when required. When receives signals from neighbouring cells, it responds by dividing or not dividing. If this control goes wrong, cells may not divide when they...

- Some Living Descriptions
Protista- unicellular eukaryotes, some multicelled formscell sturcture simple to very complexsome heterotrophs- protozoanssome autotrophs- algaeasexual repro, some both sexual, asexualmotile, non-motile, sizes- most microscopic but some may be 100m in...



Biology








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