BSC1005 MIDTERM MDC NEWEST ACTUAL
EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+
While examining human cell that functions, you determine that it has 45 functional
chromosomes and one chromosome that is almost completely inactive. You
immediatley decide that..... - ANSWER>>Came from a normal human female
Translation converts the information stored in ____ into ____. -
ANSWER>>RNA....polypeptide
The miotic cell cycle results in the production of... - ANSWER>>Two cells, each with
the same amount of genetic material and same genetic information.
How is it that the cell in different body tissue are able to preform different
functions? - ANSWER>>Different chromosomes have been inactivated in different
cells.
Mad cow disease is caused by - ANSWER>>Infectious proteins calles prions.
Photosynthetic organisms are - ANSWER>>Producers that make all their own
organic matter from inorganic molecules.
DNA and RNA molecules are composed of ___ monomers. - ANSWER>>Nucleotide
,Cells communicate with one another via - ANSWER>>Signal transductiom pathway
If one strand of DNA double helix has the sequence GTCCAT, what is the sequence
of the other strand? - ANSWER>>CAGGTA
Most human cells contain ____ chromosome. - ANSWER>>46
A protist that contains contractile vacuoles to get rid of extra water most likely lives
_____. - ANSWER>>In fresh water
The "master control genes" that regulate other genes, which determine what body
parts develop in qhich location, are called... - ANSWER>>Homeotic genes
The ultimate source of the energy in food is ____ - ANSWER>>The sun
Evidence for the spiral nature of DNA came from-? - ANSWER>>X-ray
crystallography studies
Which kingdom of Eukarya consists primarily of unicellular organisms? -
ANSWER>>Protista
Which of the following is a result of glycolysis? - ANSWER>>Conversion of glucose
to pyruvic acid.
Repressors act by blocking the binding of _____ to the operator. -
ANSWER>>Promoters
, The shared genetic code of all life on Earth is evidence that___. - ANSWER>>All life
shares a common ancestory.
Which of these equations describes aerobic cellular respiration? -
ANSWER>>Glucose + oxygen ---> carbon dioxide + water + energy.
Humans are? - ANSWER>>Consumers
Which of these events occurs during mitotic anaphase? - ANSWER>>Sister
chromosomes seperate
How many nucleotides make up a codon? - ANSWER>>Three
The process by which genotypes becomes expressed as phenotype is... -
ANSWER>>Gene expression
An individual with (naturally) curly hair and an individual with (naturally) straight hair
mate; all of their offsprings have (naturally) wavy hair. What is the relationship
between allels for hair texture? A-incomplete dominance B- codominance C-
pleiotropy D- wavy hair is dominant to both straight and curly hair - ANSWER>>A)
incomplete Dominance
What is the first level of control of eukaryotic gene transcription? - ANSWER>>DNA
packing and unpacking
Introns are___. - ANSWER>>Noncoding DNA sequences.
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