HELLLLLp ill give 100 points
Cell death is always a harmful and negative process for an organisms.
Question 1 options:
True
False
Question 2 (2 points)
Saved
Which of the following events happens during Translation?
Question 2 options:
a new mRNA molecule is made
new tRNA molecules are made
DNA splits in half and moves into the cytoplasm
different types of RNA work to create an amino acid chain
Question 3 (2 points)
What is the complementary mRNA for the DNA strand shown above?
Question 3 options:
CAAAUG
UATACG
ATUGTG
CTAGU
Question 4 (2 points)
What is the benefit/value of studying a simple worm like C. elegans?
Question 4 options:
because humans can use C. elegans as food source (they are quite delicious!)
there is actually no benefit of studying C. elegans
because we can gain insights into human genetics and development
because C. elegans can potentially kill humans
Question 5 (2 points)
Which of the following contains the base Uracil?
Question 5 options:
DNA
both DNA and RNA
neither DNA or RNA
RNA
Question 6 (2 points)
Which letter in the picture above identifies a "chromosome"
Question 6 options:
E
C
B
A
D
Question 7 (2 points)
How do enzymes speed up a biological reaction?
Question 7 options:
by raising the activation energy
by transporting chemicals
by using activation energy
by lowering the activation energy
Question 8 (2 points)
What process is responsible for the the different types of cells in an organisms body?
Question 8 options:
programmed cell death
differentiation
mitosis
osmosis
Question 9 (2 points)
In DNA and RNA, what carries the code for amino acids”?
Question 9 options:
combination of sugars
combination of phosphates
combination of strands
combination of nucleotides/nucleobases
Question 10 (2 points)
Amylase is a protein that speeds up the breakdown of starch. This is an example of what protein function?
Question 10 options:
signaling
transporting
storing
catalyzing
Question 11 (2 points)
Which of the following statements is true?
Question 11 options:
a chromosome contains many genes
a DNA strand is made of many chromosomes
a chromosome is larger than a cell
a gene contains may chromosomes
Question 12 (2 points)
Which of the following events happens during Transcription?
Question 12 options:
a mRNA strand is created using the code in DNA
a new DNA strand is created from the amino acid sequence
a new ribosome is created
a sequence of amino acids is made
Question 13 (2 points)
What type of RNA carries a code from the nucleus to the cytoplasm that determines the order of amino acids in a protein?
Question 13 options:
ribosomal RNA
messenger RNA
nuclear RNA
transfer RNA
Question 14 (2 points)
Proteins perform many important functions in cells.
Question 14 options:
True
False
Question 15 (2 points)
What codes for RNA?
Question 15 options:
Protein
tRNA
DNA
ribosome