Biology

Biology, 31.10.2019 22:31, imgraciebaker

Cells control gene expression by using molecular tags that lure an enzyme to insure the transcription of certain genes. they also use tags that repel the same enzyme for genes that are turned off. the enzyme that controls the transcription is

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Biology, 30.09.2019 19:00, shongmadi77

Anonymous 4 years ago 1. gene regulation in eukaryotes (1 point) usually involves operons. is simpler than in prokaryotes. allows for cell specialization. includes the action of an operator region. 2. specialized cells regulate the expression of genes because they (1 point) do not want the genes to become worn out. cannot control the translation of proteins. do not carry the complete genetic code in their nuclei. do not need the proteins that are specified by certain genes. 3. what is one difference between transcription factors and mirna (interference rna)? (1 point) mirnas are mobile chemical messengers, while transcription factors are not. transcription factors work at halting transcription, while mirnas work at destroying the products of transcription. mirnas bind to dna, while transcription factors do not. transcription factors control eukaryotic gene regulation, while mirnas control prokaryotic gene regulation. 4. why does it take only a few homeotic genes to control the development of a eukaryote? (1 point) because each homeotic gene begins a cascade of events that leads to the formation of a specific body part because eukaryotes have surprisingly small numbers of genes in any one cell because each cell receives only a fraction of the total number of genes in the organism all of the above are correct. 1. c 2. d 3.b 4.a these are the correct

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Biology, 01.11.2019 07:31, ogjigglypuff

Identify each structure and location on the autoradiograph, which depicts several bacterial genes undergoing transcription. answer bank rna end of transcription dna start of transcription what can you conclude about the number of enzymes participating in rna synthesis on a given gene? each gene has a transcription enzyme that is specific to the gene. a single enzyme makes all the transcripts for a gene. two enzymes, dna polymerase and rna polymerase, transcribe a gene. many enzymes actively transcribe each gene.

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Computers and Technology, 21.11.2019 00:31, Amandachavez94

Which of the following statements about meta tags is true? meta tags are a way of filtering items online so that you only see the items that connect to your interests. meta tags are large amounts of data that websites collect from their users. meta tags are snippets of text that describe the content of a page or object all of the above are true

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Biology, 26.11.2019 18:31, maysahdabest

1. gene regulation in eukaryotes (1 point) usually involves operons. is simpler than in prokaryotes. allows for cell specialization. includes the action of an operator region. 2. specialized cells regulate the expression of genes because they (1 point) do not want the genes to become worn out. cannot control the translation of proteins. do not carry the complete genetic code in their nuclei. do not need the proteins that are specified by certain genes. 3. what is one difference between transcription factors and mirna (interference rna)? (1 point) mirnas are mobile chemical messengers, while transcription factors are not. transcription factors work at halting transcription, while mirnas work at destroying the products of transcription. mirnas bind to dna, while transcription factors do not. transcription factors control eukaryotic gene regulation, while mirnas control prokaryotic gene regulation. 4. why does it take only a few homeotic genes to control the development of a eukaryote? (1 point) because each homeotic gene begins a cascade of events that leads to the formation of a specific body part because eukaryotes have surprisingly small numbers of genes in any one cell because each cell receives only a fraction of the total number of genes in the organism

Answers: 1

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