During gene expression - Study guides, Class notes & Summaries

Biology Proctored Exam Penn Foster Questions and Answers 100% Pass What is the function of the cell's cytoplasm? To provide a medium for chemical reactions and support organelles. What is the role of DNA polymerase in DNA replication? To synthesize new DNA strands by adding nucleotides complementary to the template strand. Which organelle is responsible for producing ribosomal subunits? Nucleolus What is the primary function of the cell membrane's protein channels? To fac...

Psychopharm Exam 1 practice 170 Questions with Verified Answers The PMHNP is evaluating a 68-year-old man for symptoms of major depression. While assessing the appearance of the patient, an obvious left-sided ptosis is noted. Which cranial nerve is directly linked to this condition? a. III b. IV c. V d. VI - CORRECT ANSWER A A 55-year-old woman has been referred for a psychiatric evaluation for a change in personality, lack of impulse control, and increasingly reckless decision-making....

Choose the correct coding strand (non-template) from this template (non-coding) DNA: 5' ATC GAT 3' 3' TAG CTA 5' If one strand of chromosome 2 has a DNA sequence that consists of this: 5' AGA CTA ATT GCC 3', what will be the composition of the complementary DNA strand? (Select all that apply) 3' TCT GAT TAA CGG 5' 5' GGC AAT TAG TCT 3' The following sequence is the coding strand of the collagen gene: 5' GGC AAA TAT CGA 3' What is the sequence of the corresponding mRN...

Honors Biology First Semester Final Exam with Complete Solutions What is the term for the process by which cells convert atmospheric nitrogen into a usable form for plants? Nitrogen Fixation What is the name of the small RNA molecules that regulate gene expression by targeting mRNA for degradation? MicroRNA (miRNA) What is the term for the process in which an organism produces offspring that are genetically identical to itself? Asexual Reproduction What is the name of the...

During an individual organism's lifetime, which of these is most likely to help the organism respond properly to changes in its environment? A) microevolution B) change in allele or gene frequency C) change in gene expression D) change in average heterozygosity - ANSWER C) change in gene expression If, on average, 46% of the loci in a species' gene pool are heterozygous, then the average homozygosity of the species should be A) 23%. B) 46%. C) 54%. D) There is not enough inf...

Exam 1: NUR 3219C (Latest Update) Adult Acute Conditions | Exam Prep Questions and Verified Answers- Grade A -100% Correct Q: A characteristic common to all hormones is that they a. circulate in the blood bound to plasma proteins. b. influence cellular activity of specific target tissues. c. accelerate the metabolic processes of all body cells. d. enter a cell and change the cell's metabolism or gene expression. Answer: b. influence cellular activity of specific target tissues...

Transcription synthesis of RNA from DNA Transcription results in mRNA RNA polymerase makes mRNA mRNA makes proteins RNA polymerase binds to DNA Transcription factors (TFs) A regulatory protein that binds to DNA and affects transcription of specific genes. Can wither activate or repress expression of genes Termination of transcription RNA polymerase reaches a terminator sequence (Stop codon) and detaches from the templateTranslation Process by which mRNA is decoded and a protein is produc...

Loss-of-function mutations cause a gene to lose some or all of its normal function. Hypomorphic mutations those that have lost only some of their function. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:04 / 0:15 Full screen Brainpower Read More Null mutations have lost all of their function. haploinsufficient a single copy is sufficient to produce the wild-type phenotype in the heterozygous genotype codominance both alleles f...

SimBio: Mitosis Explored Questions and Answers 100% Pass Mitosis is the sequence of events that splits ___________ cells in to two genetically equivalent cells eukaryotic cells Eukaryotic Cells A cell containing structures enclosed in membranes. Prokaryotic Cells lack a cell nucleus or any other membrane-bound cellular component. They are primarily unicellular organisms such as bacteria. Nuclear Envelope The membrane that encloses genetic material (DNA) in a eukaryotic cell. This membrane se...

The Klenow fragment of E. coli DNA polymerase I is used: correct answersto label DNA probes by random primer labeling. What is a solution hybridization method for the detection of nucleic acid:protein interactions? correct answersgel mobility shift assay _____ involves mixing a labeled oligonucleotide with a protein extract to see if a specific interaction occurs, visible with an apparent increase in molecular size on a gel due to the protein:nucleic acid interaction. correct answersGel mo...