Cell Processes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| DNA: T- G- | DNA:
A-T
C-G
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| RNA: A- C- | RNA:
A-T
C-G
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| What structure contains the instructions for making a specific protein? | gene
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| What makes up the ladder of a DNA molecule? | phosphate
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| Messenger RNA | match with 3 nitrogen bases on the tRNA
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| ribosomal RNA | make up ribosomes
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| transfer RNA | bring amino acids to ribosomes
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| How many cells are formed at the end of mitosis I? | 2
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| Meiosis I is the same as...? | Mitosis
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| Meiosis I begins with 1 cell. How many cells are formed by the end of Meiosis II? | 4
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| a cell w/ pairs of chromosomes...? | diploid
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| cell w/ a single set of chromosomes...? | haploid
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| centromeres divide in...? | anaphase II
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| How are sex cells different from other cells? | Sex cells have half the chromosomes
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| In fertilization...? | a zygote is formed after joining the egg and sperm
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| mitosis is a form of...? | asexual reproduction
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| skin cells always... | need to be replaced (undergo mitosis)
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| 3 types of asexual reproduction... | -budding
-regeneration
-fission
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| Cell Division | # of cells and caused many celled organisms to grow
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| interphase | most of the life of any eukaryotic cell is spent in this period of growth
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| mitosis | nucleus divides to form 2 identical nuclei
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| chromosomes | structive nucleous that has hereditary material
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| metaphase | chromosomes line up in the center
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| anaphase | centromeres divide
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| telephase | spindle fibers and a new nucleos appear
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| sexual reproduction | egg and sperm come together
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| sperm | formed in the male reproductive system
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| egg | formed in the female reproductive system
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| fertilization | joining of the egg and sperm
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| zygote | cell that forms from fertilization
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| diploid | ccell that have similiar chromosomes
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| haploid | single
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| meioisis | produces haploid sex cells
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| DNA | deoxyribonucleic acid
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| mutations | any permament change in the
dna sequence of a gene or chromosomes of a cell
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