Uploaded by Lina Guevara

Examen primer periodo Noveno

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EVALUACIÓN FINAL DE PERÍODO
COLEGIO BILINGÜE ÁGORA
FGC-01-38
V:01
18/11/2022
SER - SABER - HACER
EVALUACIÓN FINAL DE SCIENCE – PRIMER PERÍODO ACADÉMICO
NOMBRE________________________
GRADO: 9°
LOGROS A EVALUAR:


Identificar las diferencias entre los ácidos nucleicos, su importancia, y su proceso
hasta convertirse en proteínas.
Conocer la forma en la cual se evitan o se generan problemas genéticos, además
de la innovación científica actual sobre dicho tema.
1. Why is DNA important?
a. it is very small and very complicated.
b. it's in everything.
c. it serves as the blueprint for traits of all living things.
d. because we eat it every day for energy.
2. In eukaryotic cells which organelle is DNA usually found in?
3. Name three types of mutations
a. mutation, deletion, addition.
b. insertion, deletion, addition.
c. deletion, substitution, insertion.
d. substitution deletion, mutation.
4. Replicate the following strand of DNA: AATCATGGA
5. What determines the code, or information, of a DNA molecule?
a. the shape (structure) of the nitrogen bases
b. the color of the nitrogen bases
c. the order (sequence) of the nitrogen bases
d. the frequency (number) of nitrogen bases
6. Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
7. What is the definition of DNA mutation?
a. The original DNA strand
b. A change in the DNA strand
c. The strand with four pairs
d. The strand in a double helix
8. What are three types of chromosomal (large) mutations? Explain each one.
9. Why do mutations occur?
a. mutagens in the environment
b. by random chance during replication
c. all of these
d. through contact with chemicals
10. Give an example of a harmful mutation
11. Describe the complete process from DNA to protein (2 points):
12. What is possible to do with genetic engineering?
13. Which of the following characteristics is NOT a difference between DNA and RNA:
a. RNA has Uracil (U) instead of thymine
b. Both are just one strand with information
c. DNA is bigger than RNA
d. RNA can leave the nucleus
14. What is the product of Transcription?
a. tRNA
b. RNA
c. rRNA
d. mRNA
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