Describe a diploid nucleus as a nucleus containing two sets of chromosomes
Describe a diploid nucleus as a nucleus containing two sets of chromosomes
1 AnswerQuestions and Answers
1 Answer Explain that most body cells in an organism contain the same genes, but many genes in a particular cell are not expressed because the cell only makes the specific proteins it needs
Explain that most body cells in an organism contain the same genes, but many genes in a particular cell are not expressed because the cell only makes the specific proteins it needs
1 Answer Explain how a protein is made, limited to: • the gene coding for the protein remains in the nucleus • messenger RNA (mRNA) is a copy of a gene • mRNA molecules are made in the nucleus and move to the cytoplasm • the mRNA passes through ribosomes • the ribosome assembles amino acids into protein molecules • the specific sequence of amino acids is determined by the sequence of bases in the mRNA (knowledge of the details of transcription or translation is not required)
Explain how a protein is made, limited to: • the gene coding for the protein remains in the nucleus • messenger RNA (mRNA) is a copy of a gene • mRNA molecules are made in the nucleus and move to the cytoplasm • the mRNA passes through ribosomes • the ribosome assembles amino acids into protein molecules • the specific sequence of amino acids is determined by the sequence of bases in the mRNA (knowledge of the details of transcription or translation is not required)
1 Answer Explain that DNA controls cell function by controlling the production of proteins, including enzymes, membrane carriers and receptors for neurotransmitters
Explain that DNA controls cell function by controlling the production of proteins, including enzymes, membrane carriers and receptors for neurotransmitters
1 Answer Explain that different sequences of amino acids give different shapes to protein molecules
Explain that different sequences of amino acids give different shapes to protein molecules
1 Answer State that the sequence of bases in a gene determines the sequence of amino acids used to make a specific protein (knowledge of the details of nucleotide structure is not required)
State that the sequence of bases in a gene determines the sequence of amino acids used to make a specific protein (knowledge of the details of nucleotide structure is not required)
1 Answer Describe the inheritance of sex in humans with reference to X and Y chromosomes
Describe the inheritance of sex in humans with reference to X and Y chromosomes
1 Answer State that chromosomes are made of DNA, which contains genetic information in the form of genes
State that chromosomes are made of DNA, which contains genetic information in the form of genes
1 Answer Explain the importance of excretion, limited to toxicity of urea
Explain the importance of excretion, limited to toxicity of urea
1 Answer Describe deamination as the removal of the nitrogen-containing part of amino acids to form urea
Describe deamination as the removal of the nitrogen-containing part of amino acids to form urea
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