1. Fill in the blanks a. Prokaryotes do not have and hence their genetic materia
ID: 205576 • Letter: 1
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1. Fill in the blanks a. Prokaryotes do not have and hence their genetic material is located in a region called b. Plants cells have c. Four structures common to all cells are d. The only organelle found in prokaryotic cells:aum and -that are not found in animal cells and- are e. Three functions of SMOOTH endoplasmic and The difference between a gram-positive and gram-negative bacteria is a. the thickness of the peptidoglycan cell wall b. the type of polysaccharide present in the cell wall c. the type and amount of protein in the cell wall d. the layers of cellulose in the cell wall 2. 3. Fill in the blanks phase of the cell cycle replication of DNA occurs in the b. separation of sister chromatids occurs in the c. sister chromatids line up in the center of the cell during d. wha a. phase of the cell cycle phase of the cell cycl t protein binds to the centromeres and holds the sister chromatids together what protein holds the homologous chromosomes together? e, . Match the following a. Binary fission b. Mitosis c. Meiosis d. Cytokinesis e. Chromatin i) DNA and proteins i) Reduction of chromosome number from diploid to haploid iii) Division of both somatic cells and stem/germ cells iv) Division of cytoplasm v) Cell division in bacteria Why is the function of the protein p53 important for preventing cancer? a. It ensures that the chromosomes are properly aligned for anaphase. b. It integrates signals in the cell leading to the production of cyclins. c. It checks for DNA damage before allowing replication during S phase. It functions as a phosphatase, removing phosphates to regulate CdkExplanation / Answer
1.
a. Prokaryotes do not have nucleus, hence their genetic material is located in a region called nucleiod.
b. Plant cells have chloroplasts and cell wall which are not found in animal cells.
c. Four structures common to all cells are golgi, mitochondria, Endoplasmic reticulum, ribosomes.
d. The only organ found in prokaryotic cell is ribosomes.
e. Three functions of smooth endoplasmic reticulum are to detoxify drugs, producing lipids and to produce testosterone.
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