ap bio midterm

contains hydrolytic enzymes associated with the intracellular digestions of macromolecules

lysosome

all of the following cell components are found in prokaryotic cells except

nuclear envelope

Which of the following conclusions is most clearly supported by the representation of nucleic acid 1 and nucleic acid 2

nucleic acid 1 contains adenine thymine base pairs whereas nucleic acid 2 does not

Which is used to cary genetic code

nucleic acids

which of the following best describes the structure of carbohydrates?

occur as monomers, chains of monomers and branched structures

if atp breakfown hydrolysis is inhibited, which of the following types of movement across crll membranes is also

passage of a solute against its concentration gradint

a prokaryotik cell has which of the following

plasma membrane

which of the following statements best describes how organisms such as rabbits obtain the carbon necessary for building biological molecules?

rabbits can eat plants and break down plant molecules to obtain carbon and other atoms that they rearrange into new carbon containing molecules

A student analyzed a viral genome and found that the genome had the following nucleotide comp 28% adenine 20% thymine 35% cytosine 17% guanine which of the following best describes the structure of the viral genome

single stranded dna

Which of the following statements best describes how molecules released by the rish become nutrients for the plants?

The ammonia molecules released by the fish are converted bu bacteria to notrates

Which of the following best describes a structural difference between DNA and RNA

The backbone of DNA contains deoxyribose wheas the backbone of RNA contains ribose

A feature of organic compounds NOT found in inorganic compounds is the presence of

carbon atoms covalently bonded to each other

site of transport of materials into and out of the cell

d

the cftr protein is made up of 1480 amino acids linked together in a chain. which of the following best predicts how the amino acid deletion will affect the structure of the cftr protein?

it will affect the primary seconday and tertiary structures of the cftr protein

Based on the molecular structures shown in the figure, which molecule is likely to be solid at room temp?

Palmitic acid, because the absence of carbon carbon double bonds allows them to pack together

site of conversion of chemical energy of glucose to atp

a

Which of the following nest describes the formation of the bond in figure 1?

a covalent bond is formed between a carbon atom and a nitrogen atom along with the formation of h2o

evolved from a photoaytotrphic prokaryote

b

site of glucose synthesis

b

Site of modification and packaging of proteins and lipids prior to export from the cell

c

the hydrolytic enzymes are most likely to accumulate in which of the following cellular structures

golgi complex

which of the following beat predicts the effect of not having atp available to supply energy to this process

h+ ions will stop moving through tje protein

based on figure 1, which of the following bonds best describes how the properties of water at an air water interface enable an insect to walk on water surface

hydrogen bonds between molecules at the surfscd of the water provide surface tension, which allows the water surface fo deform but not break under the insect

which of the following is responsible for the cohesive property of water

hydrogen bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule

which of the following observations would beat shpport the alternative hypothesis described above

in both plant cells and fungal cells the cell wall sureounds the outside of the cell membeane

which of the following is most directly responsible for waters unique propertiees

it forms hydrogen bonds

which statement is the most accurate description of the reaction in figure 1

it represents a polypeptide chain that is broken down theougj a hydrolysis reaction

which of the following statements best supports the claim that certain organelles within eukaryotic cells evolved from free living projaryotic cells

some organelles contain their own dna that is more similar to prokaryotic dna in structure and funcfion than to the eukaryofic dna found in the cells nucleaus

which of the following statements about glucose, galactose, and fructose is most likely true?

the carbohydrates have different properties because they have different areangements of carbon, hydrogen and oxygen atoms

Which of the following is an accurate description of the process sheon in figure 1

the formation of a covalent petise bond in a dehydration synthesis reaction

Which of the following characteristics of Figure 1 best shows that the fragment is RNA and not DNA?

the identity of each nitrogenous base

Which statement best helps explain the formation of the hydrogen bond represented in the figure

the nitrogen has a partial nevative charge and the hydrogen attached to the oxygen has a partial positive charge

which of the following provides evidence to best support the researchers claim

the organelle has a double membrane

from the initial conditions and reaults describes which of the following is a logistical conclusion

the pores of the bag are larger than the glucose molecules but smaller than the starch molecules

which of the following beat predicts which diagramed microscope view the laboratory work would see and beat explains why

view 2 because the rate of eater movement into the rbc ewuals the rate of water movement out of the cells

the synthesis of protein or carbohydrate polymers always produce which of the following as a byproduct?

water