Genetics/Biochemistry
A 40-year-old man has a pathogenic variant in the retinoblastoma gene (RB1), confirmed by genetic testing. He is healthy with no history of eye disease. His daughter, who inherited the same pathogenic variant, developed retinoblastoma at age 2. Which genetic principle explains why the father is unaffected despite carrying the mutation?
(B) Reduced penetrance - Reduced penetrance occurs when not all individuals with a disease-causing genotype display the disease phenotype. The father carries the RB1 mutation but does not have retinoblastoma, illustrating reduced penetrance (not all individuals with a disease-causing genotype express the phenotype).
The special feature of Mircrosoft Office that oranizes the commands on tabs and then in groups. It is located at the top and all Microsoft programs now have it.
What is Ribbon?
The instruction I give the computer if I wanted to copy the same power-point slide again and again.
What is Duplicate Slide?
What does an antibody bind to?
A basic unit of a PowerPoint presentation.
What is a Slide?
What effect does a competitive inhibitor have on enzyme kinetics?
A. Increases Km
B. Decreases Km
C. Increases Vmax
D. Decreases Vmax
A. Increases Km
The correct answer is a competitive inhibitor increases Km (A). Competitive inhibitors increase Km by competing with the substrate for the active site, requiring more substrate to reach the same velocity.
A collection of electronic slides that can have text, pictures, graphics, tables, sound and video.
What is a PowerPoint Presentation?
When you want to present your presentation you click this.
What is Slide Show View?
Display of your presentation as it will print
What is print preview?
To add graphics you click add it under the insert tab
What is clip art?
In a research trial, a new PCR method is being tested for its efficiency in amplifying specific regions of the genome. The research team is particularly focused on a section with repetitive nucleotide sequences. They observe that certain sequences amplify significantly better due to their structural composition. The technician notes that one sequence seems especially resistant to denaturation, requiring higher temperatures. Which DNA sequence in this scenario likely requires higher temperatures for denaturation during PCR?
A. ACTGAG
B. AGCTTA
C. CTAGCT
D. GCGCGC
E. TATATA
D. GCGCGC
The temperature required to denature DNA during PCR is directly related to the sequence’s GC content. Guanine (G) and cytosine (C) base pairs are held together by three hydrogen bonds, while adenine (A) and thymine (T) pairs have only two. This extra hydrogen bond in GC pairs makes GC-rich regions of DNA more thermally stable and resistant to strand separation. As a result, DNA sequences with a high proportion of G and C nucleotides require higher temperatures to achieve denaturation during PCR cycles
The way a slide appears and disappers during a side show.
What is Transition?
Design elements that provide a look for your presentation. Colors, fonts, and graphics.
What is a theme?
The best way to get a slide show to stop is to push this.
What is the ESC button?
To create a new presentation you can use a ________________. A file that contains the styles in a presentation and is saved on your system or Microsoft Online.
What is a template
A 20-year old man planning soccer falls to the pitch during the second half of the match and clutches his calf muscles. Which product of glycolysis needs to be recycled in this player’s calf muscle in order to continue anaerobic glycolysis?
A. NADH
B. NAD+
C. Pyruvate
D. ATP
E. Oxygen
A. NADH
The correct answer is NADH (A). NAD+ is essential to regenerate glyceraldehyde-3-phosphate dehydrogenase
To make a graphic larger or smaller you click and drag this.
What is sizing handles?
The area you can add notes to your presentation.
What is notes pane?
To insert a new slide you go to the Home tab and click this icon.
What is New Slide?
The two orientations of paper you can choose for your slides.
What is landscape and portrait?
A researcher is studying the PUNK gene in a human fibroblast cell line. A schematic representation of the intronic and exonic regions of the PUNK gene is shown (Panel A). The researcher discovered that the PUNK gene produces two different mRNA's (1 and 2) in the fibroblast cell line being studied (Panel B).
What is slide handouts?
The first thing you do when going to your first slide.
What is Click Title?
The pane that allows you to edit and reorder animation.
What is animation pane
To view entire slide show presentation you go to slide show tab and click ____________________ command
What is beginning slide.
You want to preview only one slide you go to slide show tab and click ________
What is from current slide.