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Instructions: Answer all questions to get your test result.
1) state the name of the biomolecule responsible for the genetic information in your cells.
A
nucleic acids
B
carbohydrates
C
lipids
D
proteins
2) What are genetic material named when thickening occurs during mitosis.
A
chromosomes
B
genes
C
DNA
D
amino acids
3) During which process does only half the chromosomes appear in the daughter cells?
A
mitosis
B
fertilization
C
meiosis
D
protein synthesis
4) What process in protein synthesis creates a copy of the DNA?
A
mutation
B
replication
C
transcription
D
translation
5) What is the end product of transcription in protein synthesis?
A
Amino acids combine in the nucleus of the cells and create the traits for the organism
B
An mRNA molecule is created and can move outside the nucleus to bind with a protein.
C
Triplets are attached to the mRNA and bring amino acids to the ribosome(rRNA).
D
amino acids are combined in a long chain that creates a protein.
6) During DNA replication, what is responsible for unzipping the double strands.
A
RNA polymerase
B
helicase
C
DNA polymerase
D
Acetyl CoA enzyme
7) Which of the following biomolecules typically contains both nitrogen and phosphate?
A
lipids
B
proteins
C
carbohydrates
D
nucleic acids
8) what elements do all biomolecules contain?
A
nitrogen, phosphorus, hydrogen
B
carbon , nitrogen, hydrogen
C
carbon, hydrogen, nitrogen
D
carbon, hydrogen, oxygen
9) What do all living organisms have in common in genetic material?
A
nucleotides
B
phosphate only
C
nitrogenous bases
D
sugar molecules
10) Which condition is essential for natural selection to result in a new species?
A
a long life span
B
unlimited resources
C
a static environment
D
an inherited variation
*select an answer for all questions
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