Table of contents

1. Introduction to Biology2h 42m
2. Chemistry3h 37m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 6m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 53m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport1h 2m
- Water Potential
  1h 2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System1h 10m
- Digestion
  1h 3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 49m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System1h 4m
- Endocrine System
  1h 4m
44. Animal Reproduction1h 2m
- Animal Reproduction
  1h 2m
45. Nervous System1h 55m
- Neurons and Action Potentials
  1h 8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

15. Gene Expression

Introduction to Translation

General Biology

15. Gene Expression

Introduction to Translation

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Multiple Choice

Which of the following best describes what happens during translation in a cell?

Transfer RNA (tRNA) is transcribed from DNA to carry amino acids.

Ribosomal RNA (rRNA) is translated into proteins.

DNA is copied into messenger RNA (mRNA) in the nucleus.

Messenger RNA (mRNA) is decoded by ribosomes to synthesize a specific polypeptide (protein).

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Verified step by step guidance

Understand the process of translation: Translation is the process by which the genetic code carried by messenger RNA (mRNA) is decoded to produce a specific sequence of amino acids, resulting in the synthesis of a polypeptide (protein).

Identify the key players in translation: These include mRNA (which carries the genetic code), ribosomes (the site of protein synthesis), transfer RNA (tRNA, which brings amino acids to the ribosome), and amino acids (the building blocks of proteins).

Recognize the sequence of events in translation: First, the ribosome binds to the mRNA at the start codon (AUG). Then, tRNA molecules with complementary anticodons bring the appropriate amino acids to the ribosome.

Understand the role of ribosomes: The ribosome facilitates the formation of peptide bonds between amino acids, creating a growing polypeptide chain. This process continues as the ribosome moves along the mRNA, reading codons and matching them with tRNA anticodons.

Conclude the process: Translation ends when the ribosome reaches a stop codon on the mRNA. At this point, the completed polypeptide is released, and it may undergo further folding or modifications to become a functional protein.