Biology
Cell biology, genetics, ecology, and life science fundamentals.
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what type of cell is shown? 1. animal cell in metaphase 2. animal cell …
4. plant cell in telophase
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the movement of the progress bar may be uneven because questions can be…
Because Miklos is a physical therapist, he has very strong opinions about alternative medicine, but he hasn't shared them with me.
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courts, with the urging of the fcc have established that, to be materia…
1. Obscene 2. FCC 3. Kennedy 4. FAA
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multiple attempts not allowed. this test can only be taken once. force …
4. \(9:3:3:1\)
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question 34 jons parents have normal hearing but jon has an inherited f…
3. \(Dd\) and \(Dd\)
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multiple choice question the heart is responsible for creating and regu…
blood pressure
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once started, this test must be completed in one sitting. do not leave …
3. the alleles for color and vision segregate independently during gamete formation
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multiple attempts not allowed. this test can only be taken once. force …
2. prophase
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once started, this test must be completed in one sitting. do not leave …
1. shows pairs of homologous chromosomes
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list the path of a blood cell from the superior vena cava as it makes i…
Right atrium, Right ventricle, Pulmonary trunk, Left atrium, Left ventricle, Aorta
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not allowed. this test can only be taken once. once started, this test …
4. telophase
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force completion once started, this test must be completed in one sitti…
3. Mitosis produces daughter cells with half the number of chromosomes as the parent cell.
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read this excerpt from a passage. \unfortunately, one response to these…
"The costs of illegal fishing are significant, with the value of pirate fish products estimated at between $10 - $23.5 billion annually."
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question 25 the genotypic ratio resulting from a monohybrid cross betwe…
1. \(1:2:1\)
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question 24 with the exception of identical twins, siblings who have th…
3. independent assortment and crossing over during meiosis
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which of the following statements regarding genetic diversity is false?…
3. Genetic diversity is increased by mitosis.
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question 22 which of the following statements regarding the function of…
2. Mitosis allows organisms to generate genetic diversity.
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9:56 pm sat nov 16 timed test this test has a time limit of 1 hour.this…
2. the cell cycle
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a person with ab blood illustrates the principle of 1. incomplete domin…
2. codominance.
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9:55pm sat nov 15 multiple attempts force completion not allowed. this …
1. the centromeres of each chromosome come apart
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what are some of the reasons napoleon is considered heroic? he restored…
He ended the French Revolution and spread French ideals throughout Europe.
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once started, this test must be completed in one sitting. do not leave …
3. An X chromosome is an autosome.
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warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds…
4. crossing over.
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question 11 the sex chromosome complement of a normal human female is 1…
2. XX
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52pm sat nov 15 blackboard.com. edu force completion once started, this…
4. dominant to
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question 9 which of the following statements is false? 1. the genetic m…
4. The expressed physical traits (what it looks like) of an organism are called its karyotype.
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blackboard.ccri.edu 9:51pm sat nov 15 timed test this test has a time l…
1. interphase
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9:51pm sat nov 15 multiple attempts force completion not allowed. this …
2. chromatin
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multiple attempts not allowed. this test can only be taken once. force …
1. homologous chromosomes.
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if these four cells resulted from cell division of a single cell with d…
4. nondisjunction
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question 4 which of the following features likely accounts for the diff…
3. Plant cells have cell walls.
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multiple attempts not allowed. this test can only be taken once. force …
2. prophase I
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multiple attempts force completion not allowed. this test can only be t…
2. \( bb \)
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multiple attempts not allowed. this test can only be taken once. force …
4. sister chromatids.
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tides are the alternate rising and falling of large bodies of water. ti…
- Tides form: The sun and the moon exert gravitational pulls on the Earth. - Spring tides form: The Earth, sun, and moon are aligned. - Neap tides form: The Earth, sun, and moon a…
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all living organisms are made of carbon. carbon is also constantly bein…
Photosynthesis takes place - Carbon is removed from the atmosphere. Fossil fuels burn - Carbon enters the atmosphere. An excess of carbon dioxide is present in the atmosphere - Ea…
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two kinds of iron the human body needs iron to produce hemoglobin, a su…
Plant and animal food sources both contain iron, but the iron in animal foods is more accessible to the body.
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the passage below describes a process of scientific inquiry. select the…
This led him to wonder if soil pH could affect the color of hydrangea flowers.
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read the passage. publishing doctor zhivago boris pasternaks 1956 novel…
Boris Pasternak couldn't get his book *Doctor Zhivago* published in the Soviet Union, so he had the book smuggled out of the country.
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what is a claim? claim: an arguable statement - can be argued for or ag…
Lizards make great pets.
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2 entoure les prépositions et remplace-les par une autre préposition ay…
- Entourer "Hier soir" dans la première phrase. - Entourer "à la suite de" dans la deuxième phrase.
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5. what concern did jeffersonians raise about a bank being able to prin…
B. That it could cause inflation and boom - and - bust economic cycles
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17 multiple choice 2 points what influences an individuals personality,…
17. Neither option is correct (but if forced to choose from given options, both are wrong as it's a combination). 18. False 19. False
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fill in the blank question the transport maximum is dependent upon the …
carrier proteins
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on may 3, bare bones company sold dog beds that cost $1,400 to its cust…
D. Debit to Cash for $2,000; credit to Accounts Receivable for $2,000.
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6 of 32 concepts completed multiple choice question one component of th…
granular cells
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complete the sentence with the future progressive form of the verb. tea…
will be competing
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results in the generation of a postsynaptic potential by adding togethe…
B. Spatial summation
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the area from one z - disc to the next z - disc is referred to as the__…
C. sarcomere
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question 26 flag question identify the structural component of the neur…
C. Dendrites
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list the major functional divisions of the nervous system.
The major functional divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS). The PNS can be further divided into the somatic …
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question 25 of 25 which is a density - independent factor in controllin…
A. Volcanic eruptions
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what happens when a population is in hardy-weinberg equilibrium? a. the…
C. The phenotype frequency does not change.
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a trait has two alleles, and their frequencies are represented by p and…
D. 0.58
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question 22 of 25 which statement is true about all adaptations? a. the…
C. They enhance survival.
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which types of neurological cells are found in the central nervous syst…
A. Astrocytes, B. Microglia, C. Oligodendrocytes, E. Ependymal cells
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a volcanic eruption wipes out an entire ecosystem, reducing many popula…
Density Independent
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a disease spreads throughout a large population of oak trees reducing t…
Density Dependent
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question 20 of 25 a hawk is a predator for mice. what will happen if th…
B. The mouse population will increase.
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question 19 of 25 which would stop hardy-weinberg equilibrium from happ…
B. Some individuals produce more offspring than others.
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a population of rabbits is preyed upon by coyotes. what type of limitin…
Density Dependent
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a fire destroy a forest ecosystem reducing the carrying capacity of the…
Density Independent
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what is the definition of a limiting factor? a factor that limits popul…
A factor that limits populations from growing forever.
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how does high biodiversity affect an ecosystem? a. it makes the ecosyst…
A. It makes the ecosystem able to survive disturbances.
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question 16 of 25 when will natural selection occur? a. when there are …
D. When a population reaches carrying capacity
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question 14 of 25 what effect do keystone species have on an ecosystem?…
C. They keep populations under control.
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a species of fish is introduced into a lake. the fish is better at hunt…
C. Invasive species
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question 12 of 25 which freshwater ecosystem is most productive? a. str…
B. Swamp
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question 11 of 25 what is an adaptation? a. a genetic mutation that har…
B. A trait that makes an organism more likely to reproduce
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which concept is part of the theory of evolution by natural selection? …
A. New generations are better suited to survive than previous generations.
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question 9 of 25 what is another term for survival of the fittest? a. g…
D. Natural selection
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what specific type of gated channel opens or closes in response to phys…
E. Mechanically - gated
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what is the name for the process in which the organisms best adapted to…
D. Natural selection
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question 6 of 25 a fly has two alleles for the color of its eyes. the g…
C. 0.66
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what happens in a photic part of a body of water? a. water flows in and…
D. Plants grow quickly.
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question 4 of 25 a population of beetles is kept in a controlled ecosys…
D. The beetles are competing for resources.
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a rabbit lives in a temperate forest. which would be an adaptation for …
C. Changing color when snow falls
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a fly has two alleles for the color of its eyes. the green allele is re…
A. 0.46
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question 1 of 25 why is a genetically diverse population more likely to…
B. The population will have more possible adaptations.
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question 9 of 10 a sample of a population should be large enough to: a.…
B. span the full spectrum of a population's genetic variation.
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the primary structure of a protein refers to the sequence of amino acid…
D. Beads of different colors joined together on a piece of string
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in a simulation of genetics, a child inherits either a dominant or rece…
D. Drawing from a deck of cards printed with either an uppercase or lowercase Q
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question 3 of 10 to create a simulation of 100,000 ants moving around i…
B. Determine the average traveling speed for 20 randomly selected ants.
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how do peppered moths after the industrial revolution show the process …
A. The moths with the highest fitness were selected for.
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describe the major functions of the three types of muscles.
Skeletal muscle: Voluntary movement, posture maintenance, heat production. Smooth muscle: Involuntary internal organ functions (e.g., digestion, blood vessel constriction). Cardia…
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what does natural selection cause? a. evolution b. conditioning c. limi…
A. Evolution
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how does natural selection lead to evolution? a. the fittest organism c…
C. Small changes add up over time.
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which best summarizes the peppered moths in england after the industria…
A. The phenotype frequency changed.
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question 10 which of the following neurotransmitters is found at the ne…
B. Acetylcholine
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question 6 of 10 an experiment is performed with peppered moths. the ta…
A. The dark - colored moths were more fit.
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question 5 of 10 what term is used to describe how well an organism fun…
A. Fitness
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correctly identify all movements facilitated by the biceps brachii. sel…
A. Flexes forearm at the elbow joint, B. Flexes arm at the shoulder
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question 4 of 10 which causes natural selection to occur? a. a lack of …
D. The presence of predators
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a small number of finches live in a protected bird area. they are given…
D. The birds do not compete for resources.
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are used to send electrical signals only short distances in the nervous…
A. Graded potentials
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question 2 of 10 a small number of finches live in a protected bird are…
D. The birds do not compete for resources.
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question 1 of 10 which best summarizes the concept of natural selection…
B. Nature selects the organisms with the most mutations.
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which is an adaptation? a. a dog learns to roll over. b. a cat learns t…
D. A camel has humps that store fat.
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what is a reproductive strategy? a. the way a species produces offsprin…
A. The way a species produces offspring
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in what way do adaptations help the survival of a species? a. they incr…
A. They increase the genetic diversity of the species.