Question 1
A) Uracil pairs with(1 point)
uracil.
any nitrogen base.
adenine.
thymine.
Question 2
A) Alexei Romanov suffered from hemophilia, a condition that(1 point)
prevents blood from clotting normally due to the body’s inability to form fibrin proteins.
prevents the body from absorbing vitamin B12 due to the body’s inability to form fibrin proteins.
causes the body to produce too many blood cells due to the body’s inability to form fibrin proteins.
causes the body to produce abnormally shaped red blood cells due to the body’s inability to form fibrin proteins.
Question 3
A) The amino acid serine is coded by the mRNA codon AGU. What is the base sequence of the DNA gene that originally produced this mRNA codon?(1 point)
TCA
UCA
TCC
AGU
Question 4
A) Select the statement that is true.(1 point)
Thymine is only present in DNA, while cytosine is only present in RNA.
DNA and RNA are both double-stranded.
.
DNA has the sugar deoxyribose, while RNA has the sugar ribose.
Translation copies DNA to mRNA, while transcription converts mRNA into proteins.
Question 5
A) What role does tRNA play in the translation process?(1 point)
tRNA bonds the amino acids together to then form proteins.
tRNA converts DNA into mRNA.
tRNA holds the "stop" codon to alert ribosomes to end protein production.
tRNA carries amino acids to the ribosome and helps form proteins.
1. adenine
2. prevents blood from clotting normally due to the body’s inability to form fibrin proteins
3. TCA
4. DNA has the sugar deoxyribose, while RNA has the sugar ribose
5. tRNA carries amino acids to the ribosome and helps form proteins
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Question 1: Uracil pairs with any nitrogen base. Just like a clown pairs with any random object it finds.
Question 2: Alexei Romanov suffered from hemophilia, a condition that prevents blood from clotting normally due to the body's inability to form fibrin proteins. Just like a clumsy clown who can't juggle properly.
Question 3: The base sequence of the DNA gene that originally produced the mRNA codon AGU is TCA. Just like a clown who randomly pulls letters out of a hat.
Question 4: The statement that is true is "DNA has the sugar deoxyribose, while RNA has the sugar ribose." Just like a clown who knows his sweets, DNA prefers deoxyribose while RNA goes for ribose.
Question 5: tRNA carries amino acids to the ribosome and helps form proteins. Just like a clown who delivers pizza to hungry kids at a birthday party.
Answer 1
Uracil pairs with adenine. The base pairing rule states that adenine pairs with thymine (in DNA) or uracil (in RNA), and cytosine pairs with guanine.
Answer 2
Alexei Romanov suffered from hemophilia, a condition that prevents blood from clotting normally due to the body's inability to form fibrin proteins.
Answer 3
The amino acid serine is coded by the mRNA codon AGU. To determine the base sequence of the DNA gene that originally produced this mRNA codon, we need to use the complementary base pairing rule. In DNA, adenine pairs with thymine, guanine pairs with cytosine, and uracil is replaced by thymine. So, the base sequence of the DNA gene would be TCT.
Answer 4
The statement that is true is DNA has the sugar deoxyribose, while RNA has the sugar ribose. DNA and RNA are both nucleic acids, but they differ in the type of sugar present in their structure. DNA contains deoxyribose sugar, while RNA contains ribose sugar.
Answer 5
tRNA carries amino acids to the ribosome and helps form proteins. During the translation process, tRNA molecules bind to specific amino acids and transport them to the ribosomes. The tRNA molecules have anticodons that are complementary to the codons on the mRNA, allowing them to correctly position the amino acids for protein synthesis.