生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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9. an airplane with a mass of 50 mg lands on a runway with an initial s…
a. \(5\times 10^{4}\space kg\) b. \(12.5\space s\) c. \(-6.4\space m/s^{2}\)
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teaching tends to be directed toward populations with excellent perform…
populations with limited to moderate levels of skill and knowledge
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4. think and discuss: why is it important that the cells dna is duplica…
It is important for DNA to be duplicated before cell division because DNA contains the genetic instructions for the cell's functions. When a cell divides, each new cell (daughter …
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d. if a cell has a single line of chromosomes. what phase is it in?
Metaphase
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c. in which phase are sister chromatids pulled apart?
Anaphase
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a. what are the four phases of mitosis?
The four phases of mitosis are prophase, metaphase, anaphase, and telophase.
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match each example to the correct type of migration. externalinternal p…
- People displaced by conflict in Honduras migrate to neighboring countries in Central America: External (select the circle under "External"). - Brazilians move from the southern …
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question 17 a fan rotating with an initial angular velocity of 1000 rev…
20
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question 15 problem reference 8 - 3 a wheel of diameter 40.0 cm starts …
15.1 m/s²
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problem reference 8 - 3 a wheel of diameter 40.0 cm starts from rest an…
8.68 rad/s
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respiratory journey drag the appropriate labels to where they should go…
1. Capillary 2. Artery 3. Vein
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what do the enzymes that are activated by the binding of calmodulin and…
d. Break down glycogen to release energy for muscle contraction
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which electrolyte is concentrated primarily outside the cells? a. sodiu…
a. Sodium
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which symptom can develop as a result of vitamin e deficiency? o a. nig…
c. Red blood cell breakage
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which is the biologically active hormone, sometimes called active vitam…
c. Calcitriol
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which is a task of retinoic acid? a. supports reproduction b. is the pr…
d. Regulates cell differentiation, growth, and embryonic development
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without the skeletal system, the body could not fight off infection. pl…
F
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after listening to a long discussion on the skeletal system, you conclu…
A. supports the body and makes red and white blood cells
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how did the sinking of the lusitania in 1915 affect world war i? the un…
C. Germany restricted its submarine warfare in response to international outrage.
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the skeletal system serves all of the following functions except: a. bo…
D. The skeletal system aids in the production of hormones that signal muscle and hair growth.
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15. what color is dna?________________________ 16. dna has the same ___…
15. Colorless (or no inherent color) 16. Chemical structure 17. Thymine (T) 18. T A C G G G G T A T
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are sentences 1 - 7 right or wrong? if there is not enough information …
1. Right 2. Wrong 3. Right 4. Wrong
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10. in dna replication, dna is being copied into ________ 11. define pr…
10. DNA 11. The process by which cells make proteins using genetic information from DNA 12. mRNA (messenger RNA) 13. a protein 14. proteins
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9. what is a mutation?____ 10. in dna replication, dna is being copied …
9. A change in the DNA sequence of an organism 10. another DNA molecule 11. The process by which cells make proteins using DNA instructions 12. mRNA (messenger RNA) 13. a protein …
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4. what shape is dna? 5. what are the building blocks of dna? 6. what a…
4. Double helix 5. Nucleotides 6. a. Phosphate group; b. Deoxyribose sugar; c. Nitrogenous base 7. Thymine (T) 8. Cytosine (C) 9. A change in the DNA sequence 10. Two identical DN…
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1. where is dna located in a cell? 2. who discovered the structure of d…
1. Nucleus (in eukaryotes) 2. James Watson and Francis Crick 3. 1953 4. Double helix 5. Nucleotides 6. a. Phosphate group; b. Deoxyribose sugar; c. Nitrogenous base 7. Thymine (T)…
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consider this claim: skipping a grade benefits students who are excelli…
A professor of gifted education asserts that studies on the impact of grade skipping have demonstrated positive academic outcomes, including higher grade point average and school …
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consider this claim: cities that prohibit artificial turf should lift t…
Carly Kim of Healthy Lawn Alternatives says, "A grass lawn can require more than forty thousand gallons of water per year. That is how much water could be saved, per residence, if…
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it should be clear from my remarks that congress has always had, and al…
Lobbying offers benefits but must also be carefully monitored.
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which describes the mating of organisms that have different homozygous …
monohybrid cross
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why did gregor mendel choose to use purebred plants in his experiments?…
They exhibit only one form of a trait.
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which term describes an organism that has identical alleles for a trait…
homozygous
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based on the punnett square, what is the phenotype of the offspring? hh…
C. tall
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in pea plants, tallness (t) is dominant to shortness (t). what are the …
C. 50 percent \(Tt\), 50 percent \(tt\)
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what is one of the reasons why gregor mendel chose to study pea plants?…
They reproduce sexually.
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mendel crossed two plants that were heterozygous for the trait of flowe…
B. \(Pp\times Pp\)
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unattached earlobes are dominant to attached earlobes. cleft chin is do…
Unattached earlobes and cleft chin: \(9\) Unattached earlobes and no cleft: \(3\) Attached earlobes and cleft chin: \(3\) Attached earlobes and no cleft: \(1\)
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unattached earlobes are dominant to attached earlobes. cleft chin is do…
1. EeAA 2. EEAa 3. EEaa 4. eeAA 5. eea a
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2. the medullary cavity of a long bone is located inside the a. distal …
b. Diaphysis.
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1. moving from deep to superficial, the layers covering bone marrow are…
a. Spongy bone, compact bone, periosteum
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white feathers in canaries are dominant to yellow feathers. a heterozyg…
The ratio of homozygous offspring to the total number of offspring is \(1:2\). The percentage of heterozygous offspring is \(50\%\).
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purple petal color in pea plants is dominant to white petal color. two …
\(1:4\); \(25\%\)
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10. cells produced by meiosis are haploid (_____ chromosomes) and those…
b. 23, 46
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9. cells reproduce themselves during ____ which includes ____ or ____. …
b. Cell division, mitosis, meiosis
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purple petal color in pea plants is dominant to white petal color. two …
1. \(DD\) 2. \(Dd\) 3. \(Dd\) 4. \(dd\)
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8. during translation, each trna molecule carries. as the trnas bind to…
a. An amino acid, a peptide chain
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7. cytokinesis is defined as a. reproductive cell division. b. cytoplas…
b. Cytoplasmic division.
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6. during mitosis, identical copies of dna molecules organize into chro…
a. Prophase
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5. mitosis begins in the a. cytoplasm. b. peptide chain. c. cell nucleu…
c. Cell nucleus
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3. before cells divide, dna is copied through the process of replicatio…
a. Two
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2. meiosis differs from mitosis for the following reasons, except a. se…
c. It is a type of diffusion.
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1. the male and female sex cells are called a. gametes. b. chromosomes.…
a. Gametes.
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blood vessels there are three main blood vessels: arteries, capillaries…
d. artery
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directions respond to the prompt with a response with multiple sentence…
### Risk Factors: - Family History of Addiction: Having relatives with addiction increases genetic vulnerability to addiction as genes can affect brain responses to substances. - …
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blood flow through the heart the heart is a muscle that pumps blood thr…
Atrium ### 2.
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question 2 1 point which statement is true? e - cigarettes are safe to …
C. Like cigarettes, vaping exposes your lungs to harmful chemicals as well as nicotine.
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lesson 1 waves introduction back to intro page isrc international stand…
B. Coding of the signal can keep the information secret during transport.
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question 1 is nicotine in tobacco products especially harmful to teens …
A. Yes, teens are more at risk for addiction because of their brains are developing
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by analyzing this chart of battles in the american revolution, it can b…
C. saw many of its final battles fought in the American South.
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during the american revolution, some catawba indians in south carolina …
D. supported the colonists' fight for independence from Britain.
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more battles of the american revolution were fought in south carolina t…
C. Loyalists
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during the revolutionary war, emily geiger was important because she (1…
B. helped to smuggle secret messages past through the British lines.
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one action that angered patriot colonists during the american revolutio…
D. Lord Dunmore's Proclamation
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which event of the american revolution is known as \the shot heard roun…
C. the Battle of Lexington and Concord
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evolution. in november 1780, he and his soldiers avoided capture by ops…
A. they used geography to their advantage
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why was the battle of kings mountain a turning point in the history of …
D. The win was a great boost to Patriot morale and the Loyalists of the Carolina Back Country were broken as a military force.
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question 10 (1 point) most coral reefs prefer __________. ○ clear water…
clear water with a temperature above 18 degrees Celsius
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question 9 (1 point) kelp supports itself with gas filled floats attach…
all of the above are correct.
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question 8 (1 point) healthy and abundant kelp forests depend to a larg…
healthy populations of sea otters.
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question 7 (1 point) many polar animals have adapted to the unique cons…
having long life spans and reaching sexual maturity late.
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question 6 (1 point) the main reason for the high productivity of coral…
extremely efficient nutrient retention and recycling achieved by the corals and zooxanthellae association.
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question 5 (1 point) some species of corals live in arctic seas. true f…
True
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question 4 (1 point) some antarctic fishes have adapted to the cold con…
B. by having a natural antifreeze protein in their blood.
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question 3 (1 point) benthic and encrusting algae on coral reefs_______…
E. the first and third answers are correct.
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unit 11 exam factories in the mid - 1800s, the industrial revolution to…
the creation of more jobs
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question 2 (1 point) within the survival niche of a species there is a …
optimal
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unit 11 exam the industrial revolution why were u.s. factories primaril…
It was difficult to grow crops in the North
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what was the main reason that yellow journalism strongly affected ameri…
B. People got most of their information about world events from newspapers.
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question 1 (1 point) kelp obtains its nutrients from __________________…
the water column through the surface of its fronds.
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how did newspapers that used yellow journalism react when the uss maine…
They blamed Spain for the explosion and called for the US to declare war.
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multiple choice question commerce among the states is called ______ com…
A. interstate
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what laid the foundation for chinese nationalism? the 1911 revolution q…
C. The Opium Wars
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what ended the chinese imperial system? the 1911 revolution qing wester…
A. The 1911 Revolution
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which type of neuron excels at connecting different nervous system tiss…
C. interneurons
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which type of neuron specializes in sending signals and facilitating mu…
B. motor neurons
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question 2 source 2: excerpt from the declaration of independence (1776…
The Declaration of Independence's idea of government power from the consent of the governed was revolutionary. British rule was autocratic (monarchy - based, king - centered). The…
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which of the following statements about stability is not true? a. skill…
C. Stability is genetic and cannot be improved.
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when sesame street premiered in 1969, it revolutionized childrens telev…
B. Accordingly,
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section summary • human respiratory health is affected by infections, t…
The dentist asks you to wear a lead apron because X - rays are ionizing radiation that can damage cells (including causing DNA mutations). Lead is dense and absorbs X - rays well.…
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which statement summarizes the law of segregation? gametes are passed i…
Gametes carry one allele for each trait.
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which of mendels laws or principles states that gametes carry one allel…
law of segregation
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which of mendels laws or principles explains that traits are passed fro…
the law of segregation
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a pea plant that has round seeds has the genotype rr. it is crossed wit…
50 percent
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how does fossil fuel use relate to atmospheric greenhouse gas levels? m…
Atmospheric greenhouse gas concentrations began increasing around the time of the industrial revolution and accelerated in the 20th century as fossil fuel use has expanded.
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8 which of the following examples illustrates how climate can impact ec…
All of the options (1, 3, 4) illustrate how climate can impact ecological systems. Option 2 is not a direct illustration of climate impact on ecological systems.
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while researching a topic, a student has taken the following notes: • r…
A. Some animals may eat gastroliths to obtain dietary minerals, but many animals, including reptiles, birds, and some mammals, use gastroliths to aid digestion and for ballast.
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living cells can be divided into two which have nuclei, and prokaryotic…
B. categories: Eukaryotic cells,
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elie retailleau and his colleagues attached valvometers to great scallo…
B. their
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3.19.12.b a student is building a model to illustrate how multicellular…
blood vessel (the option corresponding to "blood vessel")
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the liver acts to keep blood glucose at a relatively constant level. it…
A. Yes, because homeostasis involves the maintenance of constant internal conditions