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