Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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multiple choice question which process is responsible for the evolution…
C. Natural selection
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question 3 on a recent biology midterm, the class mean was 73 with a st…
z - score for Biology Midterm: 1.8182 z - score for Marketing Midterm: 0.5172 The person performed better on the biology mid - term.
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multiple choice question pesticide resistance in insects has rapidly ev…
selection for individuals resistant to pesticides as we increase pesticide use
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multiple choice question the pale - green coloration of the caterpillar…
C. Camouflage
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multiple choice question which type of selection favors individuals at …
C. Directional selection
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a population bottleneck is often caused by _______. colonlzatlon of a n…
C. a natural disaster
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4. infer: based on what you have seen, create a balanced equation for t…
4. $2C_6H_{12}O_6 ightarrow C_{12}H_{22}O_{11}+H_2O$ 5. Two smaller molecules combine, losing a water molecule to form a covalent bond and a larger molecule. 6. $C_{18}H_{32}O_{16…
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multiple choice question which type of selection acts to eliminate indi…
C. Disruptive selection
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natural selection results in ______ in a population. nonrandom mating g…
O adaptations
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fill in the blank question selection is a process that can lead to chan…
Natural; evolution
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select all that apply for insect populations to become increasingly res…
resistance must be genetic, selection must occur
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multiple choice question which evolutionary mechanism causes beneficial…
Natural selection
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multiple choice question the caterpillar of the butterfly colias euryth…
they are not camouflaged as well as the green ones
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fill in the blank question the founder effect results in a new populati…
allele
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select all that apply select all of the following events that could lea…
A. A natural disaster such as an earthquake or flood B. An infectious disease that kills a large proportion of the population D. Colonization of an island by a small number of ind…
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much of the human genome is similar to every other humans genome. what …
C. 0.1%
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multiple choice question natural selection results in a population bett…
individuals who are well adapted to the environment contribute more of their alleles to the next generation
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multiple choice question evolutionary change is not caused by phenotypi…
Genetic basis
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fill in the blank question natural selection can lead to if variation i…
evolution
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multiple select question select all that apply select all of the follow…
- Variation must result in differences in the number of offspring surviving in the next generation. - Variation must exist among individuals. - Variation must have a genetic basis.
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order the terms from simplest to most complex. paired bases, dna molecu…
D. paired bases, DNA molecule, gene, chromosome, cell, arm, person
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how does natural selection affect allele frequencies? it increases the …
B. It causes detrimental alleles to become less common. C. It causes beneficial alleles to become more common.
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multiple select question select all that apply soon after it was establ…
B. different allele frequencies than the original larger population D. less genetic variation than the original larger population
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a population bottleneck is often caused by _______. o colonization of a…
a natural disaster
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select all that apply select all of the following that could cause evol…
A. A plant with an enzyme that makes it disease - resistant C. A moth that has a gene for cryptic coloration
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multiple select question select all that apply select the types of larg…
A. A large population of garter snakes in which only a few individuals contribute to the next generation. D. A large population of garter snakes that started from a few individual…
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multiple choice question why does natural selection occur? because indi…
Because some individuals in a population possess heritable phenotypes that are more favorable than others.
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multiple choice question what can likely happen as a result of genetic …
They are likely to be lost.
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multiple choice question which evolutionary mechanism causes beneficial…
Natural selection
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multiple choice question what changes in the genetic variation of a pop…
Genetic variation will be decreased.
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multiple choice question why can the founder effect cause a previously …
The allele frequencies in the founding members of the population differ from the allele frequencies in the original large population.
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select all that apply select all of the following events that could lea…
- Colonization of an island by a small number of individuals - An infectious disease that kills a large proportion of the population - Human destruction of a population's habitat …
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multiple choice question what is the founder effect? a catastrophic eve…
C. Changes in allele frequencies that result from the colonization of a new location by a small group of individuals from a larger population
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fill in the blank question large populations can show evidence of genet…
bottlenecked
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multiple choice question a dramatic reduction in population size due to…
B. the bottleneck effect
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multiple choice question what is genetic drift? transfer of genes from …
Random changes in the allele frequencies of a population over time
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multiple select question select all that apply soon after it was establ…
- less genetic variation than the original larger population - different allele frequencies than the original larger population
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multiple choice question which evolutionary mechanism does not change a…
A. Assortative mating
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multiple choice question the change in allele frequencies that occurs d…
the founder effect
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multiple choice question which of the following agents of evolutionary …
Gene flow
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select all that apply select the types of large populations that are mo…
A. A large population of garter snakes that started from a few individuals. C. A large population of garter snakes in which only a few individuals contribute to the next generatio…
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fill in the blank question __________ is the ultimate source of genetic…
Mutation
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multiple choice question what can likely happen as a result of genetic …
They are likely to be lost.
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fill in the blank question the processes that lead to evolutionary chan…
genetic; non - random
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fill in the blank question random changes in allele frequencies in smal…
genetic drift
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fill in the blank question natural populations exhibit significant phen…
genetic
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multiple choice question assortative mating changes ______ frequencies …
B. genotype; allele
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evolutionary change within a population can result from which of the fo…
A. Mutations B. Natural selection C. Migration
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multiple choice question what is gene flow? the increased survival of i…
The movement of alleles into or out of a population.
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multiple choice question genetic variation in a population results from…
allele frequencies
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multiple choice question new mutations are not a major factor affecting…
the rate at which new mutations occur is low
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the dominion of new england, established in the late 17th century, aime…
Consolidating and centralizing control over the New England colonies under a royal governor.
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multiple select question select all that apply select all of the follow…
B. Gene flow C. Genetic drift D. Nonrandom Mating E. Natural selection F. Mutations
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multiple choice question the amount of genetic variation present in nat…
B. significant
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multiple choice question evolution can result from any process that cha…
B. genetic
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multiple choice question which of the following is true of evolutionary…
Evolutionary forces can alter allele frequencies in natural populations.
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multiple choice question which of the following statements is correct r…
Eukaryotic cells began living in colonies, and individual members began to assume different duties making the colony act as one individual.
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fill in the blank question in some protists, after mitosis is complete,…
budding
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21 of 24 concepts completed fill in the blank question protists can exh…
asexual; sexual
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multiple choice question the evolution of multicellularity was advantag…
cells to become specialized
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multiple choice question current evidence suggests that multicellularit…
multiple times
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chapter exams content page 15 of 15 question 15 5. what is the medical …
B. erythrocytes
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multiple choice question a thick walled unicellular life stage produced…
B. Cyst
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multiple choice question some protists reproduce by schizogony, a type …
O several nuclear divisions followed by cytokinesis that produce several individuals almost simultaneously
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multiple choice question which of the following best describes reproduc…
Protists typically alternate sexual and asexual reproduction.
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multiple choice question which of the following is an advantage of mult…
It fostered the specialization of cells.
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multiple choice question organisms that ingest visible particles of foo…
C. phagotrophs
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multiple choice question which of the following defines a cyst in proti…
A. A life stage that can remain dormant during periods of unfavorable environmental conditions
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select all that apply which of the following are nutritional strategies…
A. Mixotrophs B. Phagotrophs C. Phototrophs
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multiple select question select all that apply which of the following a…
B. Pseudopods, C. Flagella, E. Cilia
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multiple choice question an organism that is able to use both autotroph…
Mixotroph
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chapter exams content page 8 of 15 question 8 what is the primary funct…
B. To produce oil
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click and drag on elements in order. put the steps in the nutrition of …
1. Food particles are ingested within phagosomes. 2. Phagosomes fuse with lysosomes. 3. Food is digested by enzymes. 4. Nutrients are absorbed across the vacuolar membrane.
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multiple select question select all that apply which of the following a…
A. Excavata B. Archaeplastida C. Opisthokonta E. Amoebozoa F. SAR
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select all that apply autotrophic protists include those that are _____…
B. photosynthetic, C. chemoautotrophic
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how is an eukaryote classified as a protist? a eukaryote is classified …
A eukaryote is classified as a protist when it cannot be classified in any other eukaryotic group.
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multiple choice question in most eukaryotes (with the exception of fung…
The nucleus
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how do mitochondria and chloroplasts replicate? o modified mitosis o bi…
Binary fission
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multiple select question select all that apply select all types of cell…
B. Plasma membrane C. Glassy silica shell E. Extracellular matrix
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fill in the blank question many antibiotics that inhibit protein synthe…
bacteria; mitochondria
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multiple choice question the genome of a mitochondrion is typically com…
A single, circular, closed molecule of DNA, similar to that in bacteria
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conns syndrome is a condition that eventually leads to which of the fol…
A. Hypernatremia
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multiple choice question what is our current understanding of the phylo…
All chloroplasts likely evolved from a single line of cyanobacteria, however, photosynthetic eukaryotes are not monophyletic.
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adrenogenital syndrome is a deficiency of which of the following types …
hydroxylase
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total points: 5/25 which of the following is the primary purpose of the…
To restrict the teaching of evolution
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multiple choice question you have an antibiotic that inhibits protein s…
It is very likely that it will also inhibit protein synthesis in mitochondria.
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in the context of church - state issues in american politics, with whic…
B. Public school teachers ought to be able to lead students in prayer.
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multiple choice question which of the following describes the ribosomes…
They are similar to bacterial ribosomes.
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multiple choice question which of the following is the best definition …
Bacteria that live within other cells and perform specific functions for their host cells
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multiple choice question the nucleus and the er of eukaryotes are thoug…
from infoldings of the plasma membrane
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multiple choice question if you use the views or ideas of others in a s…
A. all sources whether you quote or paraphrase them
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multiple select question select all that apply select all evolutionary …
C. Engulfing other cells, D. Horizontal gene transfer
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multiple choice question what type of prokaryote might have formed endo…
A photosynthetic bacterium
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multiple choice question which of the following statement accurately de…
Protists were the first eukaryotes to evolve.
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multiple choice question which scientist championed the endosymbiotic t…
B. Lynn Margulis
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multiple choice question bacteria that live within other cells and perf…
C. endosymbiotic bacteria
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multiple choice question infoldings of the prokaryotic plasma membrane …
Endoplasmic reticulum (ER) and nuclear envelope
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3 tries left fionas brain is getting information about her movements an…
B. sensory
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3 tries left neurons belonging to the somatic nervous system are involv…
Making voluntary movements of the skeletal muscles
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the ____________ is the part of the peripheral nervous system that carr…
C. autonomic nervous system