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bio sem 2 rev

mrs. vh

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Across
1.building blocks of DNA are called this
4.process that exchanges genes on homologous chromosomes
6.primary pigment in plants
7.amino acid coded for the the mRNA CAG
9.these contain our traits
11.the mRNA that is created from this DNA, TGACCA
14.longest phase of mitosis
15.transfer of pollen from one plant to another
18.amino acid coded for by the mRNA GAC
19.process that produces a second strand of DNA
21.characteristics that are inherited
22.holds nitrogen bases together in DNA
23.glucose is split in two pyruvate molecules during this reaction
24.DNA has this many strands
25.movement of particles from areas of high concentration to low concentration
27.part of the male plant that contains the sperm
29.chromosomes are lined up in the middle of the cell during mitosis
30.one of the organelles that contains its own DNA
32.the single ringed nitrogen base
34.scientist that discovered adenine and thymine were in equal amounts
36.movement of liquid particles through the cell
40.meiosis produces these types of cells
41.holds the chromatids together
42.stack of thylakoids
43.segment in DNA that codes for a particular protein
47.how the daughter cells compare to each other at the end of mitosis
51.alternate form of a gene
54.mitosis phase that begins when chromatids reach opposite poles
55.a string of amino acids
56.4 sister chromatids form this structure
57.molecule that stores energy in PS
58.uncontrolled cell division
Down
2.substance in plants that uses photosynthesis
3.control center of the cell
4.main purpose for this reaction is to breakdown glucose to make ATP
5.one of the molecules produced during the light dependent reaction that is used in the light dependent reaction
8.process that produces amino acids
9.division of the cytoplasm
10.cancer cells migrate through the body
12.the number of mRNA codons that code for serine
13.a triplet on tRNA
16.the rungs of the DNA ladder are made of these
17.enzyme that opens DNA before transcription
20.these are produced by genes and help control the cell cycle
26.type of diffusion that requires proteins
28.the area of the chloroplasts where the chlorophyll is found
31.nitrogen base found in RNA and not DNA
33.substance that causes mutations
35.identation of the cell during mitosis, right before cytokinesis
37.movement of wastes out of the cell
38.cycle that converts carbon dioxide into carbohydrates
39.scientist that used X-rays to determine that DNA is made of two strands
44.3 nitrogen bases on a DNA molecule
45.movement of cell made products out of the cell
46.female part of the plant that holds the ovules
48.molecule split during ETC that replaces the electrons in PS
49.double ring nitrogen bases
50.scientist that is known for determining entire structure of DNA
52.scientist who studied genetics and pea plants
53.CR in the presence of oxygen

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