Questions and answers by

Step_Sis_Julie

Questions (33)

Three tomato plants vary in the shape of their leaves: A has smooth edges on its leaves, B has wavy edges on its leaves, and C
1. 1 answer
2. 57 views
Three organisms have part of a gene for a digestive enzyme sequenced, and homologous parts of those sequences are shown below.
1. 1 answer
2. 62 views
The part of biology that deals with very large data sets to compare organisms or to compare many cells of one organism at the
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2. 58 views
Which choice correctly shows the relative amounts of non-coding DNA?(1 point)ResponsesA human has a greater relative amount of
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2. 61 views
If you see an elephant and a silkworm, what can you know about the relative size of their genomes?(1 point)ResponsesThe silkworm
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2. 59 views
If a scientist discovers a new monkey in Paraguay, its genome will probably be MOST similar to that of(1 point)Responsesa clam.a
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2. 57 views
A scientist wants to study the cytochrome c gene of a fruit fly. The DNA for the gene is extracted and subjected to several
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2. 47 views
Examining the DNA of a cancerous cell, a scientist would find strong expression of(1
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2. 39 views
The maternal contribution to body plan formation comes with(1
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2. 47 views
A scientist studies the production of a key digestive enzyme in silk moths. The moths have one gene for this enzyme, and the
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2. 59 views
n a bacterial operon, the active repressor bind to the(1
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2. 78 views
Treating a cell with a drug to stop tRNA from doing its job would mean what?(1 point)Responsesthat ribosomes would fall
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2. 42 views
A scientist isolates some mRNA from one gene and compares its sequence to that of the gene from which it was copied. Where will
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2. 51 views
Which RNA types are involved in translation?(1 point)ResponsesmRNA, tRNA, siRNAmRNA, tRNA, siRNAsiRNA, tRNA, rRNAsiRNA, tRNA,
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2. 65 views
What is the correct order of parts in a eukaryotic gene?(1 point)Responsespromoter, intron, terminator, exonpromoter, intron,
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2. 53 views
Which type of mutation produces the same protein despite a change in the DNA?(1
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2. 51 views
A gene includes the sequence AGAACT. When it is transcribed, what will the RNA sequence be?(1
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2. 36 views
What is the kind of protein that binds to DNA and changes the amount of transcription?(1 point)Responsestranscription
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2. 45 views
Developmental genes are often highly conserved. However, organisms with very similar genes can appear quite different. How is
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2. 79 views
Which of the following is true regarding the presence of a multigene family?(1 point)ResponsesMultigene families are produced by
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2. 36 views
A researcher examines genes for several proteins that are quite similar in both structure and function. He is interested in
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2. 62 views
A researcher sequences the genome of a variety of bacterial and eukaryotic cells. She finds that the bacterial genome is
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2. 73 views
Analyses of genomes have allowed researchers to determine that some cells have very small genomes. If you were asked to predict
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2. 72 views
Which of the following is an outcome that could be produced by the application of the biotechnology as described?(1
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2. 50 views
How does an embryonic stem cell differ from an adult stem cell?(1 point)ResponsesEmbryonic stem cells are able to differentiate
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2. 76 views
An SNP is found associated with individuals who have diabetes. Which statement is true?(1 point)ResponsesAll individuals with
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2. 66 views
Which of the following describes an advantage of using a recombinant plasmid for DNA cloning over PCR?(1 point)ResponsesPCR is
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2. 94 views
Which of the following describes sequencing by synthesis?(1 point)ResponsesLarge sections of DNA are inserted into a
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2. 60 views
the p53 gene was discovered in 1979, but it was not clear whether the gene functioned as an oncogene or a tumor-suppressor gene.
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2. 63 views
When in fruit fly development does axes development begin?(1 point)Responsesin the unfertilized egg stage when maternal effect
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2. 73 views
Master regulatory genes play critical roles in development. Predict the MOST likely fate of a fly embryo where master regulatory
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2. 50 views
Signal transduction pathways are important mechanisms for cell-to-cell communication in multicellular organisms. How do the
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2. 81 views
Use synthetic division to solve for P(–3) for P(x)=x^4–2x^3–4x+4 .
1. 1 answer
2. 27 views

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