What is a nucleotide?
A molecule that contains one pentose, one phosphate group and two nitrogenous bases
A molecule that contains one ammonium, one phosphate group and two nitrogenous bases
A molecule that contains one pentose, some phosphate groups and one carbonyl group
A molecule that contains one pentose, some phosphate groups and two carbonyl groups
Any of these
Which of these are purine nitrogenous bases?
Cytosine and Uracil
Thymine and Guanine
Adenine and Guanine
Uracil and Thymine
Cytosine and Adenine
Which is the complementary strand of the sequence GAGCTCU?
CTCGAGA
CUCGUGA
AGATCTC
ACATGTG
Which of these nucleotides is found in RNA?
cADP
TTP
dCTP
UMP
All the information that humans beings have is in 23 chromosomes
Which sequence is true?
DNA associate with a histone octamer that will be fixed by histone nº1 ---> A nucleosome is formed ----> A chromosome is formed
DNA associate with a histone hexamer that will be fixed by histone nº1 ---> A nucleosome is formed ----> A chromosome is formed
DNA associate with a histone octamer that will be fixed by histone nº8 ---> A nucleosome is formed ----> A chromosome is formed
DNA associate with a histone hexamer that will be fixed by histone nº6 ---> A nucleosome is formed ----> A chromosome is formed
DNA associate with a histone hexamer that will be fixed by histone nº1 ----> A chromosome is formed ---> A nucleosome is formed
Which RNA is responsible of determine the AA that is going to be in the sequence of the protein?
Messenger RNA (mRNA)
Transferase RNA (tRNA)
Ribosomal RNA (rRNA)
Regulatory RNA
RNA
Replication of DNA takes place after the mitosis is made
For the DNA replication we need Iron ion, ATP and NADH
Which molecule binds the Okazaki fragments during replication?
Helicases
Topoisomerases
Single strand binding proteins
Nucleases
Ligases
Which DNA polymerase is involved in the synthesis of primers?
DNA polymerase α
DNA polymerase δ
DNA polymerase ε
DNA polymerase ß
DNA polymerase γ
The real copy of DNA is made by DNA polymerase δ
