Bio 7
問題一覧
1
A student created the model of respiration below.
In the Krebs Cycle, NADH is produced, FADH2 is produced and CO2 is released
2
A scientist makes a graph of the rate of photosynthesis relative to light brightness for a plant species.
What implication does this graph carry for a farmer growing this plant species indoors under artificial light?
The farmer should only light the growing space to yield the maximum photosynthesizing response.
3
Why is fermentation necessary to the cell in the absence of oxygen?
To allow glycolysis to continue
4
DNA contains the genetic information of a cell. A portion of a DNA molecule is shown. Which portion of the DNA contains the genetic information?
3
5
Proteins function to provide structure for tissues and organs. Which of the following are the building blocks of proteins?
B
6
Which statement describes the structure of DNA?
A double strand of nucleotides
7
During DNA replication, the leading strand is continuously replicated in the 5' to 3' direction, however the lagging strand, being antiparallel is discontinuously replicated. This results in the creation of what?
Okazaki Fragments
8
Purines are a type of molecule that typically have 9 carbons arranged in two cyclical structures. Which nitrogenous bases are categorized as purines?
Adenine and Guanine
9
The enzyme responsible for adding nucleotides in the 5' to 3' direction during DNA replication is
DNA polymerase
10
On a strand of the mRNA the bases are read in groups of three. What is the correct term for a group of three bases on the strand of mRNA?
Codon
11
Gene expression in all organisms depends on protein synthesis. What is the last stage in protein synthesis, in which amino acids are assembled by tRNA?
Translation
12
The codon chart shown here uses the three base sequence found on the mRNA molecule after the information is copied from DNA during transcription. Imagine that a protein is being assembled at the ribosome. What is the amino acid sequence for the codons GUU AAA?
Valine- lysine
13
Chemically speaking, enzymes are composed of chains of ________________, and they are considered to be a type of ______________.
Amino acids; protein
14
Both the microscopic organisms seen here are motile. Although they have different methods of locomotion, they use extensions that are composed of the same macromolecules. What is the macromolecule that builds both cilia and flagella?
Proteins
15
A researcher discovers a small molecule in muscle tissue that is rich in nitrogen, soluble in water, and lacks phosphorus. The molecule also contains carbon, hydrogen, and oxygen, in uneven ratios. The molecules must be a(n)
Amino acid
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問題一覧
1
A student created the model of respiration below.
In the Krebs Cycle, NADH is produced, FADH2 is produced and CO2 is released
2
A scientist makes a graph of the rate of photosynthesis relative to light brightness for a plant species.
What implication does this graph carry for a farmer growing this plant species indoors under artificial light?
The farmer should only light the growing space to yield the maximum photosynthesizing response.
3
Why is fermentation necessary to the cell in the absence of oxygen?
To allow glycolysis to continue
4
DNA contains the genetic information of a cell. A portion of a DNA molecule is shown. Which portion of the DNA contains the genetic information?
3
5
Proteins function to provide structure for tissues and organs. Which of the following are the building blocks of proteins?
B
6
Which statement describes the structure of DNA?
A double strand of nucleotides
7
During DNA replication, the leading strand is continuously replicated in the 5' to 3' direction, however the lagging strand, being antiparallel is discontinuously replicated. This results in the creation of what?
Okazaki Fragments
8
Purines are a type of molecule that typically have 9 carbons arranged in two cyclical structures. Which nitrogenous bases are categorized as purines?
Adenine and Guanine
9
The enzyme responsible for adding nucleotides in the 5' to 3' direction during DNA replication is
DNA polymerase
10
On a strand of the mRNA the bases are read in groups of three. What is the correct term for a group of three bases on the strand of mRNA?
Codon
11
Gene expression in all organisms depends on protein synthesis. What is the last stage in protein synthesis, in which amino acids are assembled by tRNA?
Translation
12
The codon chart shown here uses the three base sequence found on the mRNA molecule after the information is copied from DNA during transcription. Imagine that a protein is being assembled at the ribosome. What is the amino acid sequence for the codons GUU AAA?
Valine- lysine
13
Chemically speaking, enzymes are composed of chains of ________________, and they are considered to be a type of ______________.
Amino acids; protein
14
Both the microscopic organisms seen here are motile. Although they have different methods of locomotion, they use extensions that are composed of the same macromolecules. What is the macromolecule that builds both cilia and flagella?
Proteins
15
A researcher discovers a small molecule in muscle tissue that is rich in nitrogen, soluble in water, and lacks phosphorus. The molecule also contains carbon, hydrogen, and oxygen, in uneven ratios. The molecules must be a(n)
Amino acid