Responses
DNA and RNA hold the code to create proteins that are the key to gene expression.
DNA and RNA hold the code to create proteins that are the key to gene expression.
DNA and RNA mutate into either harmful or helpful effects on the human body.
DNA and RNA mutate into either harmful or helpful effects on the human body.
Proteins replicate DNA which gives the expression of traits to an organism.
Proteins replicate DNA which gives the expression of traits to an organism.
Gene expression relies on environmental factors that determine which traits are dominant.
Gene expression relies on environmental factors that determine which traits are dominant.
9 answers
The response that demonstrates the central dogma of molecular biology is:
DNA and RNA hold the code to create proteins that are the key to gene expression.
The central dogma describes the flow of genetic information from DNA to RNA (transcription) and then from RNA to proteins (translation), which are crucial for gene expression.
The correct response is:
Endoplasmic Reticulum
After the amino acid chain leaves the ribosome, it typically enters the endoplasmic reticulum (ER), where it is folded, modified, and transported to its final destination.
A substitution mutation occurs when one base in the DNA sequence is replaced by another.
Looking at the given sequences:
C G T C T A C T G C A A T
G C A G A T G A C G T T A
→ This sequence shows multiple substitutions (G instead of T in the first sequence and A instead of C in the second).
C G T T A C T G C A A T
G C A A T G A C G T T A
→ This is the original sequence, so it does not show any mutations.
C G T A C T G C A A T
G C A T G A C G T T A
→ This sequence shows substitutions (A instead of T in the first sequence and T instead of C in the second).
C G T G A C T G C A A T
G C A C T G A C G T T A
→ This sequence shows substitutions (G instead of T in the first sequence and C instead of A in the second).
Based on the options provided, the sequence that shows a substitution mutation is:
C G T A C T G C A A T
G C A T G A C G T T A
This indicates a substitution mutation occurred where T was substituted for A in the first strand and C was substituted for A in the second strand.
The response that best describes how a liver cell and a skin cell have the exact same DNA sequence yet look different and perform different functions is:
The proteins are expressed differently in each cell.
Different types of cells express different sets of genes, leading to the production of specific proteins that determine their structure and function. This process is known as gene expression.
The step that Stella missed in her explanation of protein synthesis is:
mRNA is translated into amino acids.
After DNA is transcribed into mRNA, the next step involves the translation of mRNA into a sequence of amino acids at the ribosome, forming the polypeptide chain. This step is critical in the process of protein synthesis.
