IB DP Biology: HL復(fù)習(xí)筆記3.2.1 Meiosis
Meiosis There are two processes by which the?nucleus?of a?eukaryotic cell?can?divide. These are: Mitosis Meiosis Mitosis?gives rise to?genetically identical cells?and is the type of cell division u...
IB DP Biology: HL復(fù)習(xí)筆記3.1.10 Skills: Using Databases
Use of Databases to Identify Gene Loci Use of databases to identify the locus of a human gene and its polypeptide product Following the?sequencing of the whole human genome, we now know the?exact l...
IB DP Biology: HL復(fù)習(xí)筆記3.1.9 Karyograms
Karyograms During the stages of mitosis,?chromosomes condense?(become visible) This is most notable in?metaphase Staining?can reveal distinctive banding patterns on chromosomes at this stage The?po...
IB DP Biology: HL復(fù)習(xí)筆記3.1.8 Sex Determination
Sex Determination Sex is determined by an?entire chromosome pair?(as opposed to most other characteristics that are just determined by one or a number of genes) Females?have the sex chromosomes (pa...
IB DP Biology: HL復(fù)習(xí)筆記3.1.7 Chromosome Number
Haploid Haploid nuclei have one chromosome of each pair Haploid cells contain?one complete set of chromosomes (n) In other words, they have?half?the number of chromosomes compared to normal body ce...
IB DP Biology: HL復(fù)習(xí)筆記3.1.6 Eukaryotic Chromosomes
Eukaryotic Chromosomes Chromosomes in eukaryotic cells are?one,?very long?DNA molecule associated with proteins The main proteins present are the large, positively charged globular proteins called?...
IB DP Biology: HL復(fù)習(xí)筆記3.1.5 Prokaryotic Chromosomes
Prokaryotic Chromosomes The DNA in prokaryotic cells is significantly different from the DNA found in eukaryotic cells Prokaryotes?do not contain a nucleus?therefore the DNA is located in the cytop...
IB DP Biology: HL復(fù)習(xí)筆記3.1.4 Genome
Genome The?total of all the genetic information in an organism?is called the?genome?of the organism This is a?complete set of genes?present within every cell of an organism This includes?all genes?...
沒有繪畫基礎(chǔ)，可以選修IB視覺藝術(shù)課程嗎？
“沒有繪畫基礎(chǔ)，能否學(xué)習(xí)IB視覺藝術(shù)課程？”——無論是IB選課，或是個人興趣愛好的沉淀，這都是許多“白紙”般的學(xué)生們會普遍面臨的問題。 如果我們拋開“IB”這一標(biāo)簽，藝術(shù)作為一門抽象學(xué)科，我們往往很難去量化某個人...
