AP Biology Unit 1
The nitrogen gas and ammonial in exp
Two groups of students attempt to recreate the primitive atmosphere conditions of early earth (2 chambers) Which of the following statements best justifies the claim that the conditions in at least on of the experiments could generate the molecular building blocks essential for life?
nucleic acid
Used to carry genetic code?
The backbone of DNA contains deoxyribose and RNA contains ribose
What best describes the structural difference of DNA and RNA
Only occur as monomers, chains of monomers, and branched structures
What best describes the structures of carbohydrates?
The interaction of difference R-groups with other R-groups
Which of the following best describes how amino acids affect the tertiary structure of protein?
Rabbits eats plant and break down
Which of the following best describes how organisms obtain carbon? (bunny and grass photo)
Hydrogen Bonds
Which of the following best describes how the properties of water at an air-water interface enable an insect to walk on waters surface?
Nucleic acid 1 contains adenine thymine base pairs
Which of the following conclutions is most clearly supported by the reps of nucleic acid 1 and 2
A-bar graph
Which of the following correctly illustrates a dipeptide and an amino acid in optimal position to form a tripeptide?
It forms hydrogen bonds
Which of the following is most directly responsible for waters unique properties?
Hydrogen bonds between a oxygen atom of one water mole and Hydro atom
Which of the following is responsible for the COHESIVE property of water?
At 4o mm Hg
Which of the following statements is correct?
the nitrogen has a partial negative charge
Which statement best helps explain the formation of hydrogen bond represented in the figure?
Two balls- og protein and mutated protein
A small protein composed of 1110 amino acids... Which of the the following best depicts tertiary structure of two proteins in water?
It represents a polypeptide chain that is broken down through hydrolysis
Polypeptides are constantly being formed. What statement is the most accurate description of the reaction in figure 1?
Change.. increase protein and increase number of S+S
Researchers compare similar proteins from related organisms. Which of the following is the effect of a greater number of cystine?
Segment one would become denatured
(seg box one and two) Which of the following is one way these segments would differ?
carbon atoms covalent bonded together
A feature of organic compounds not found in Inorganic compounds
DNA
Bacteriophages are viruses that infect bacteria... Based on the results of the experiment, Which of the following types of moles did it inject
it will effect the primary, secondary and tertiary
CFTR protein is made of 1480 amino acids... Which best predicts how the AA delation will effect the structure of the CFTR portion
The carbohydrates have different properties because different arrangements
Carbohydrates glucose, galactose, and fructose have some same chemical formula but are different. What is true?
Covalent bond formed between a carbon atom and a nitrogen atom along with H20
Figure 1 formation of peptic bond. Which best describes formation of Figure 1?
Formation of covalent bond
Figure 1 represents a common process that occurs In organisms. Figure 1 structural formula?
The identity of each nitrogen base
Figure 1 shows the fragment is RNA not DNA. Which best shows the fragment is RNA and not DNA?
Palmitic acid because the absence of carbon carbon double bonds
Molecular structures of the Linoleic acid and Palmitic acid. Which of the following is more likely to be solid at room temp?
Mutant normal
Mutations in DNA are usually caused by chemical or radiation damage of DNA(2 line photo) Which of the following best represents the DNA of the 2 daughter cells produced when bad
single stranded DNA
Student analyzed viral genome and found that the genome had...
C
Students conduct a controlled experiment to see if saw dust provides enough nutrients for plant growth. Difference produced which monomer?
the Ammond molecules
The figure shows a model (fish picture)... Which best describes how molecules related by fish become nutrients for plants?
water
The synthesis of proteins or carbohydrate polymers always produce which of the footing as a by product?