Honors Biology Final Exam Questions with Answers
Function of carbohydrates - Answer--Store energy
-Used as building materials for an organism
Function of lipids - Answer--Insulation
-Protective layer
-Prevent cells from flooding
Function of proteins - Answer--Help fight off infections by...
Function of carbohydrates - Answer--Store energy
-Used as building materials for an organism
Function of lipids - Answer--Insulation
-Protective layer
-Prevent cells from flooding
Function of proteins - Answer--Help fight off infections by forming antibodies
-Regulate digestion and growth, enzymes, hormones, bodily fluids
Function of nucleic acids - Answer-Store genetic material (DNA)
First step of digestion; breaks down polymers into monomers by adding a molecule of
water - Answer-Hydrolysis
Prokaryotes developed form eukaryotes or vise versa? - Answer-Vise versa: eukaryotes
developed from prokaryotes.
Which is more drastic overall: a substitution or deletion? - Answer-Deletion, because all
of the codons following the deleted base pair will change.
Function of helocase - Answer-Breaks apart the DNA strand during transcription
How does RNA differ from DNA? - Answer-RNA contains uracil and ribose
How would the DNA sequence GCTATA be transcribed to mRNA? - Answer-CGAUAU
In eukaryotes, functional messenger RNA molecules are made from... - Answer-Exons
spliced together after introns are removed
During translation, a ribosome binds to - Answer-mRNA
Which type of RNA functions as a blueprint for the genetic code? - Answer-mRNA
Proteins contain ____ different amino acids, whereas DNA and RNA are composed of
____ different nucleotides - Answer-20, 4
Which site of the tRNA molecules binds to the mRNA molecule? - Answer-Anticodon
, Okazaki fragments occur on the ___ and are bonded together by ____. - Answer-
lagging strand, ligase
How many different codons are possible? - Answer-64
Using RNA as a template for protein synthesis instead of translating proteins directly
from the DNA is advantageous for the cell because... - Answer--RNA acts as an
expendable copy of the genetic material, allowing the DNA to serve as a permanent,
pristine repository of the genetic material
-Many mRNA molecules can be transcribed from a single gene, increasing the potential
rate of gene expression.
What is a similarity between RNA and DNA? - Answer-Nucleotides consisting of a
phosphate, sugar, and nitrogenous base
Segments of DNA serve as a template to produce complementary RNA molecules -
Answer-Transcription
Ribosomes use the sequence of codons in mRNA to assemble amino acids into
polypeptide chains; the decoding of an mRNA message into a protein. - Answer-
Translation
Location of transcription - Answer-Nucleus
Location of translation - Answer-Ribosome
An enzyme that produces primary transcript RNA. - Answer-RNA Polymerase
Why is DNA semi-conservative? - Answer-When DNA divides, each copy receives one
half of the original DNA and one half new DNA.
Products and reactants of photosynthesis - Answer-6H2O+6CO2+light -->
C6H12O6+6O2
Products and reactants of cell respiration - Answer-C6H12O6+6O2 -->
6H2O+6CO2+ATP
Location of Cell Respiration - Answer-Mitochondria
Where do the light dependent reactions of photosynthesis take place? - Answer-
Thykaloid membrane
where does the light independent/dark reactions/Calvin Cycle of photosynthesis take
place? - Answer-Stroma
place in thylakoid where light is absorbed - Answer-Photosystem II
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