Bio trivia
Cells that have high protein synthesis have a particularly high number of _______________ .
a) Lysosomes b) Ribosomes c) Chromosomes d) Nucleoli
b) Ribosomes
Which is a valid variable name in Python?
a) 1_Data b) old-data c) price_in_$ d) _output
The correct answer is: _output
There are the two syntax rules we need to follow when we're naming variables in Python:
— We must use only letters, numbers, or underscores (we can't use apostrophes, hyphens, spaces, etc.).
— Variable names can't begin with a number.
Which RNA carries the genetic message?
a) rRNA b) tRNA c) mRNA d) All of the above
c) mRNA
In the following R code, What is the result of line 3?
xvect <- c(1,2,3)
xvect[2] <- "2"
xvect
[1] "1" "2" "3"
Name the short fragments of DNA formed on the lagging strand during DNA replication
Okazaki fragments
In Linux: when executing a command and passing the output to another command, which CHARACTER allows you to chain these commands together?
| (pipe)
Name the site on the ribosome which hosts the peptidyl-tRNAs during translation elongation
The ribosomal P-site
In R, Which function displays the first five rows of the data frame named pizza?
head(pizza, 5)