Biology
Cell biology, genetics, ecology, and life science fundamentals.
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question 12 motivation is based on internal feelings rather than extern…
B. intrinsic
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question 4 body dysmorphia is a a genetic disorder that results in pers…
B. distorted body image
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question 8 of 10 which best describes the dna of a cloned animal? a. it…
A. It has the exact same DNA as its parent.
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question 7 of 10 a scientist is trying to find a method to artificially…
B. Find all the mRNA produced by the kidney.
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question 6 of 10 which molecule is used to cut out a section of dna? a.…
D. Restriction endonuclease
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question 5 of 10 what uses bacteria to copy dna? a. recombinant dna tec…
A. Recombinant DNA technology
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question 4 of 10 the results of gel electrophoresis are shown below. wh…
A. Strand 2 is smaller than strand 3.
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question 3 of 10 what aspect of bacteria makes recombinant dna technolo…
D. Bacteria reproduce very quickly.
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question 2 of 10 why did the invention of pcr make dna fingerprinting p…
A. PCR made it possible to produce enough copies for reliable tests.
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question 20 (2.5 points) fungal cell walls consist primarily of _. cell…
chitin
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question 1 of 10 which best describes how scientists found the human ge…
B. They figured out the DNA sequence from the amino acid sequence.
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question 10 of 10 what is the result of a mutation during meiosis? a. t…
D. The offspring of the organism will have a mutation.
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question 19 (2.5 points) how does the wheat stem rust fungus harm its h…
it absorbs plant sugars made in photosynthesis
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question 9 of 10 a mutation occurs in an eye cell of a fully - grown mo…
D. The monkey will not be strongly affected.
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question 18 (2.5 points) many tropical ferns live on other plants witho…
epiphytes
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the stages of translation are multiple choice initiation, elongation cy…
Initiation, elongation cycle, and termination.
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question 8 of 10 during dna replication, an extra cytosine base is adde…
D. Frameshift mutation
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question 8 of 10 during dna replication, an extra cytosine base is adde…
D. Frameshift mutation
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question 17 (2.5 points) in most ferns, roots and leaves sprout from _.…
rhizomes
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a part of an mrna has the sequence ccg. which change to this sequence w…
C. CGG
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there are three steps that are required for dna replication. the first …
helicase
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which plants are widely planted in cities because of their resistance t…
ginkgos
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question 6 of 10 a part of an mrna has the sequence aga. use the table …
A. AGG
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question 5 of 10 how are mutations prevented during dna replication? a.…
D. DNA polymerase checks DNA for errors.
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12 dna serves as a template for the formation of ______ during a proces…
all types of RNA
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question 14 (2.5 points) most members of the phylum are molds that grow…
Zygomycota
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question 4 of 10 what is a karyotype? a. a way to test for chromosomal …
A. A way to test for chromosomal mutations
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which of the following enzyme is needed to reseal breaks in the sugar -…
DNA ligase
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question 3 of 10 which type of mutation results in the formation of a p…
C. Missense
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fatter sociable weaver birds spend more time foraging where they are vu…
stabilizing
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take home test according to chargaffs data,______must pair with______,a…
C. A; T; C; G
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dna is shaped like a twisted ladder. the rungs of the ladder are compos…
nitrogenous bases; sugar - phosphate molecules
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the x - ray diffraction pattern of dna discovered by rosalind franklin …
is both helical and has a repeating pattern.
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which base is found in dna, but not in rna? multiple choice thymine cyt…
thymine
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during transcription multiple choice rrna is transcribed into trna. dna…
DNA is transcribed into mRNA.
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which of the following transfers amino acids present in the cytoplasm t…
tRNA
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the sequence of the mrna that would result from transcribing a segment …
UUAUCGCAU.
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rna differs from dna because rna multiple choice is double - stranded, …
is single - stranded, whereas DNA is double - stranded.
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which theme is found in both \we wear the mask\ and \a man said to the …
All individuals must search to discover their places in the world.
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what is the hereditary material found in all cells? multiple choice rrn…
DNA
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which of the following processes takes place in the cytoplasm? multiple…
translation
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kelby has several pets. she has b birds, c cats, and f frogs. the expre…
D. The total number of pets with 4 legs
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15 multiple choice 6.25 points why do pesticides designed to kill insec…
15. Some insects are resistant to the pesticide and pass on this favorable trait to offspring. 16. Some insects passed a beneficial mutation to their offspring.
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question 19 of 20 how do the motivations for the african independence m…
B. The African nations were fighting for political freedom from colonial forces, but Israel and Palestine have been fighting for control of the same land.
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question 1 of 10 why does a frameshift mutation usually cause more defe…
C. Frameshift mutations can affect many amino acids.
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question 10 of 10 what are the two functional parts of a charged trna? …
B. An amino acid and an anticodon
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12 multiple choice 6.25 points geographic isolation caused the separati…
12. The two populations developed into new species. 13. may have evolved from extinct species.
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question 8 of 10 how does translation form proteins? a. codons link to …
C. Peptide bonds connect amino acids.
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a strand of mrna has the bases guanine - cytosine - uracil. which amino…
C. Ala
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match the term to its description. convergent evolution temporal isolat…
- Convergent evolution: distantly related species evolve similar phenotypes - Temporal isolation: barriers relating to time such as mating seasons or time of day - Divergent evolu…
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question 5 of 10 how does the process of translation convert informatio…
D. From a DNA code to an RNA code
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there are four mechanisms that can cause changes in the frequencies of …
- **Question 9**: In a population, it is the changes in allelic frequencies of a gene that are due to chance. - **Question 10**: DDT resistant mosquitoes existed in the population…
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question 4 of 10 what happens next after the ribosome reaches the start…
C. tRNA molecules attach to codons.
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question 3 of 10 how is protein synthesis different in prokaryotes and …
D. In prokaryotes, transcription and translation happen at the same time.
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question 2 of 10 what macromolecule is produced during translation? o a…
B. Protein
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question 1 of 10 why is it more important to check for errors during dn…
A. An error in DNA replication would affect many generations of cells.
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8 multiple choice 6.25 points below is an image showing homologous stru…
These mammals likely share a common ancestor based on homologous structures.
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question 10 of 10 which best describes a difference between transcripti…
D. They use different nucleotide bases.
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question 9 of 10 what happens during transcription? a. rna polymerase i…
D. mRNA is produced from the DNA.
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question 8 of 10 which molecule carries the instructions for producing …
C. DNA
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below is an image showing homologous structures in several mammals. hum…
First question: These mammals likely share a common ancestor based on homologous structures. Second question: In a population, it is the changes in allelic frequencies of a gene t…
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question 7 of 10 how could an error during transcription affect the pro…
A. The protein would have the wrong shape.
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5 multiple choice 6.25 points the bottleneck effect is used to describe…
- Question 5: genetic drift - Question 6: Bacteria have become resistant to antibiotics over time due to evolution by means of natural selection. - Question 7: oxygen
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question 6 of 10 what is an outcome of gene regulation? a. each cell is…
C. Each cell produces only the proteins it needs.
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which of the following events happened after the beginning of the colum…
The American Revolution begins, World War II ends.
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question 5 of 10 which best describes the flow of genetic information? …
C. Genetic information flows from DNA to RNA to protein.
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question 4 of 10 which strand of mrna would be made during transcriptio…
A. CAA UGG
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which statement best describes natural selection? only the largest and …
3. B. The best adapted (most fit) individuals survive and reproduce, which passes their genes onto the next generation 4. D. Gray rabbits were more likely to survive in the change…
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question 3 of 10 what is the purpose of transcription? a. to produce li…
D. To produce RNA
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1 multiple choice 6.25 points darwins finches are a classical example o…
1. D. adaptive radiation 2. C. adaptations to eating different foods
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question 13 (2.5 points) the seed plants became dominant during the lat…
Carboniferous; drier
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question 12 (2.5 points) a pine tree is a flowering plant seedless plan…
sporophyte
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the word biology contains the root logy. what does the root logy mean? …
the study of something
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question 11 (2.5 points) most fungi provide an important ecological ser…
decomposers
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which of the following statements best expresses how the dialogue in th…
The dialogue reveals humans’ self - interest and their helplessness in the face of external forces.
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question 10 (2.5 points) a 2013 investigation found \worrisome\ amounts…
antibiotics
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peahens prefer to mate with peacocks that have the brightest and larges…
in spite of the disadvantage, peacocks with larger tails leave more offspring
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categorization 10 points determine if each statement is fact or fiction…
- Fact: "Is a renewable resource", "Can be impacted by the weather but gravity is the driving factor for energy generation", "Dams are often long - standing energy efficient struc…
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with ____ selection, the frequency of a favored allele will increase as…
directional
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with the extinction of the dinosaurs 65 million years ago, multiple nic…
adaptive radiation
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many male birds will expend a great deal of energy building nests. fema…
sexual selection
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question 5 (2.5 points) in lake victoria, hundreds of cichlid fish spec…
sympatric speciation
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question 4 (2.5 points) fatter sociable weaver birds spend more time fo…
stabilizing
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a cladogram can be viewed as \sets within sets\ of derived traits. whic…
multicellular with a backbone, legs and hair
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puppies born too large experience difficulties during birthing and tend…
stabilizing
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question 9 of 10 how did the outcome of indias independence movement in…
C. India split up because of religious conflicts, but Vietnam split up because of political differences.
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in an experiment tracking plant growth over several weeks, what does th…
The height of zero when no time has passed.
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what would most likely occur if you applied alcohol for only one second…
B. Gram - negative bacteria would not decolorize like they should, and all bacteria would therefore remain purple
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a student wants to try to convince her parents to stop serving peas for…
B. Benedict’s test
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a scientist adds iodine as an indicator to an unknown substance. what w…
the presence of starch
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question 4 of 10 what was one result of the confederate victory at the …
C. Confederate General Lee became overconfident and left Richmond open to attack.
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what are the names of the two groups of bacteria resulting from the gra…
A. Gram - positive and Gram - negative
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what is the gram stain method? a) staining method used to identify the …
d) Staining method used to differentiate bacterial species into two groups
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what was the impact of woodrow wilsons call for democratic elections du…
It caused Carranza to threaten U.S. oil companies in Mexico.
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due friday by 11:59pm points 4 submitting a tex available nov 14 at 12a…
1) A Loyalist was a person in the American colonies who remained loyal to the British Crown during the American Revolution. 2) A Patriot was a colonist who supported the fight for…
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how was imperialism after the industrial revolution similar to imperial…
C. In both forms, powerful countries dominated weaker ones for economic gains.
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question 12 of 20 after the industrial revolution, how did european imp…
A. Arbitrarily formed boundaries caused wars between rival tribes.
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which of the following was a major outcome of imperialism in asia aft i…
A. Japan was forced to open itself to trade with the West.
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question 10 of 20 how did advances in military technology after the ind…
B. They allowed small European armies to defeat larger African and Asian forces when invading territory.
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what is the gram stain method? a) a staining method used to identify th…
B. A staining method used to differentiate bacterial species into two groups