Which of the following structures are found in cells? - .......🔷ANSWERS🔶......✔✔ ribosomes
If a heterozygous grey fruit fly is mated with a black-bodied fruit fly, what proportion of the offspring
would be black? - .......🔷ANSWERS🔶......✔✔ 50%
Below is a micrograph of an E.Coli bacterium undergoing reproduction. The scale bar represents 0.5
micrometers. How long are both cells in total? - .......🔷ANSWERS🔶......✔✔ 2.5 x 10^-6 m
How many molecules of water are required to completely hydrolase a polypeptide made up of 23
amino acids? - .......🔷ANSWERS🔶......✔✔ 22
Which process is used in polymerase chain reaction (PCR)? - .......🔷ANSWERS🔶......✔✔
Replication
Which processes result in recombination? - .......🔷ANSWERS🔶......✔✔ yes, yes, yes, no
What does a nucleosome consist of? - .......🔷ANSWERS🔶......✔✔ DNA and histones
Which group of organisms in the carbon cycle converts carbon into a form that is available to
primary consumers? - .......🔷ANSWERS🔶......✔✔ Producers
Where is carbon dioxide produced in the mitochondria? - .......🔷ANSWERS🔶......✔✔ the Matrix
Humans can respire aerobically and anaerobically. Which are products of both aerobic and
anaerobic cel respiration in humans? - .......🔷ANSWERS🔶......✔✔ ATP and Carbon dioxide
, Which type of molecule is shown in the diagram below? - .......🔷ANSWERS🔶......✔✔ Peptide
What property of water makes it a good evaporative coolant? - .......🔷ANSWERS🔶......✔✔ High
latent heat of evaporation
The diagram below summarized the light-dependent reactions in photosynthesis. What is occurring
at X? - .......🔷ANSWERS🔶......✔✔ ADP + phosphate = ATP
Which of the following structures does E. Coli have? - .......🔷ANSWERS🔶......✔✔ 70S Ribosomes
and Pili
Cells in the adrenal gland produce the hormone epinephrine and store it in vesicles. To release
epinephrine these vesicles are carried to the plasma membrane and fuse with it. What process is
occurring? - .......🔷ANSWERS🔶......✔✔ Exocytosis
Where are complex carbohydrates made in the chloroplast? - .......🔷ANSWERS🔶......✔✔ In the
stroma
Ants, bees, and wasps are classified in the same order. What can be deduced about these animals?
- .......🔷ANSWERS🔶......✔✔ They are classified in the same class
Several greenhouse gases occur in the atmosphere. CO2 is one of them but so are CH4 and oxides of
NOx. Why are oxides of nitrogen classed as greenhouse gases? - .......🔷ANSWERS🔶......✔✔ They
trap some of the long-wave radiation emitted by the Earth's surface.
The antisense strand on the DNA molecule for three codons of a gene is TATCGCCACG
- .......🔷ANSWERS🔶......✔✔ UAU, CGC and ACG
What is the function of the tRNA activating enzyme? - .......🔷ANSWERS🔶......✔✔ It links iRNA to
a specific amino acid.
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