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