生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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question 50 1 pts an individual with down syndrome has three copies of …
No, only 50 percent of the eggs or sperm formed would have an extra copy of the chromosome.
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question 49 what information in a pedigree would indicate a condition i…
Most of the affected individuals are males.
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word bank eating pattern processed food fatty acid nutrient dense satur…
1. Dietary Reference Intakes 2. Dietary Guidelines for Americans 3. Eating Pattern 4. Nutrient Dense 5. Empty Calories 6. Processed Food
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1. look at the food chain below. dead leaves ? fungus ? beetle ? frog w…
1. C. decomposer 2. D. They both eat other organisms. 3. C. They convert sunlight into chemical energy. 4. D. producer
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question 48 in a karyotype of a male, which of the following would indi…
three copies of chromosome 22
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which of the following is true of the genetic cross shown in the figure…
All of their daughters will be carriers.
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which of the following information is available in a punnett square sho…
percentage of all children likely to be affected by the disorder
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cells have cell walls and chloroplasts. cells have two parts that anima…
1. vesicle 2. ribosome 3. chloroplast 4. cytoskeleton 5. mitochondrion 6. nucleus 7. Synthesize, modify and transport proteins. 8. Plant cells have cell walls and chloroplasts, wh…
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question 45 1 pts a scientist identifies a new cell with a single chrom…
This cell will likely be classified as a prokaryotic cell.
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why do scientists study fossils? a. to determine how we can prevent ero…
D. To learn about the past history of life on Earth
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question 44 1 pts a scientist uses polymerase chain reaction (pcr) to c…
substitution mutation.
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question 43 1 pts the significance of specific base pairing in dna is t…
it provides a method for making exact copies of DNA.
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which among a - e is false? a. recombination: can be a part of all four…
B. Competence: relates to conjugation
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question 42 1 pts a rapidly dividing cell is exposed to a chemical that…
DNA replication would not occur because the two nucleotide strands that make up the DNA molecule would not be able to separate.
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question 41 1 pts a scientist is interested in studying the mechanism o…
C. The scientist should select a prokaryotic cell.
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which among a-e is false? a. recombination: can be a part of all four h…
B. Competence: relates to conjugation
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question 40 1 pts which of the following genotypes represents a human m…
XY
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question 39 1 pts a parent who is a carrier for the recessive autosomal…
\(Bb\)
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the f, cross when mendel examined the f, plants, he found that traits p…
1. From left - to - right in the \(F_2\) generation: \(GG\), \(Gg\), \(Gg\), \(gg\). 2. Yellow. 3. Green. 4. Each green - pod parent (\(Gg\)) has one dominant (\(G\)) and one rece…
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question 38 1 pts which of the following genetic changes would be passe…
the addition of a chromosome in an egg cell
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question 10 of 10 in a table, an area that contains text or data for a …
D. cell
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question 9 of 10 dalton is using word processing software to create a t…
D. Use the Insert Row command to add rows to the table
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question 37 1 pts in humans, the presence of an sry gene indicates the …
commits a developing embryo to male.
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question 36 1 pts which of the following is true for an individual who …
The individual has two copies of the same allele for the gene.
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question 35 1 pts the y chromosome in humans is normally found in singl…
normally found in single copy.
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question 34 1 pts true or false. if a woman has a sex - linked recessiv…
True
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question 33 1 pts as every cell in our body has the same genome, what i…
differential gene expression
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question 32 1 pts in bacteria, the antibiotic tetracycline blocks the s…
pre - vents the bacteria from assembling essential proteins.
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question 31 1 pt the key enzyme used during transcription is teminase. …
RNA polymerase.
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question 29 1 pts consider a build - at - home bookshelf that comes wit…
the person building the bookshelf
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8 the revolutionary war ended in 1783, five years before the bill of ri…
D. Yes. Amendments II and III were written based on experiences people had during the war.
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question 28 the difference between the different alleles of a gene is t…
their DNA base sequences.
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the illustration shows the upper right section of the periodic table. w…
Metals, metalloids, and non - metals in the upper right of the periodic table have unique traits. Metals, like copper, are good conductors of heat and electricity due to their fre…
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the temperature of one furnace is 1,200°c and is cooled at a rate of 15…
$15$
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question 27 how many phosphate groups are present in a single strand of…
the same number as there are adenine + thymine + guanine + cytosine bases
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question 26 1 pts which of the following is not necessary to execute a …
repair enzymes
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question 25 1 pts if one strand of dna has the sequence cgatt, the sequ…
GCTAA
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question 24 1 pts replication of dna cannot begin until covalent bonds …
hydrogen bonds between complementary bases are broken.
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which cell parts work together to make sure that genetic information st…
Ribosomes, which are the places where the mRNA code is read for protein making; mRNA, which carries genetic instructions from the nucleus to the cytoplasm; tRNA, which brings the …
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question 23 1 pts a biologist intends to use pcr to perform a task. the…
make many copies of a DNA fragment.
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which evidence supports the link between dna structure and protein func…
Transcription makes an mRNA copy of a DNA segment to carry the protein code to the ribosome. A mutation, or a change in the DNA sequence, can change a protein's shape and function…
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question 22 1 pts a certain enzyme is known to be responsible for separ…
breaks hydrogen bonds between bases.
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match each part of protein making with the evidence showing how dna str…
Protein Folding - The amino - acid chain folds into a special shape, which is needed for the protein to do its specific job in the cell. Translation - The mRNA codon sequence is r…
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question 21 what is the role of dna polymerase? o make proteins from a …
fix errors caused by chemical mutagens
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put the following steps of protein making in the right order from start…
1. In the nucleus, transcription uses DNA as a template to make an mRNA molecule. 2. The mRNA molecule moves out of the nucleus and into the cytoplasm. 3. A ribosome attaches to t…
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during transcription, a template strand of dna directs the production o…
a template strand of DNA directs the production of an mRNA molecule.
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chose one answer for each of the following questions: what types of ani…
Cows, sheep, ostrich, deer, prairie dogs, bison, snakes, lions, insects
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3. which line from the text best explains why people in ancient ireland…
C. "If you upset them, they could spoil your crops, bring nasty weather, or even kidnap you to fairyland." (Paragraph 3)
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select the correct answer(s) from the list(s). (1 point) the central do…
First blank: DNA, Second blank: Protein
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question 19 1 pts protein coding genes specify the manufacture of _____…
mRNA
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what types of animals might you find in the grasslands? lynx, mosquitoe…
Grasses, wheat, corn, rice, grains
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question 18 a human gene put into a plant cell will produce the same pr…
produce the same protein produced in a human cell.
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match each key step of protein making with the main molecules and parts…
Transcription - This step uses a DNA template, RNA polymerase, and makes a single strand of mRNA. Translation - This step needs a ribosome, mRNA codons, tRNA anticodons, and amino…
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question 17 the importance of trna is that it ○ reads the dna molecule.…
carries a specific amino acid to the mRNA.
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question 16 the bases present in an rna molecule are o u, a, c, and g. …
U, A, C, and G.
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question 15 1 pts a gene in a region of dna that is wound more tightly …
transcribed less often than other genes.
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put the main steps of protein making in the right order, starting from …
1. In the nucleus, a strand of DNA is used as a template to make an mRNA molecule. 2. The mRNA molecule leaves the nucleus and goes into the cytoplasm. 3. The mRNA molecule attach…
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question 14 which best represents the flow of genetic information in a …
DNA->mRNA->Protein
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question 13 1 pts if a molecule of mrna is a sentence, its bases are th…
words
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drag and drop the words into the correct locations. (2 points) the gene…
The genetic plan called DNA stays inside the nucleus while protein making happens in the cytoplasm at parts called ribosomes.
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question 12 which of the following statements is true? specific mutatio…
Gametes fuse without regard to which mutations they carry.
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drag and drop the words into the correct locations. (2 points) when dna…
When DNA copies itself, the double helix unzips and new strands are built using base - pair rules where adenine pairs with thymine.
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question 11 1 pts which of the following pairs of words can be used cor…
dominant or recessive
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question 10 1 pts if the d allele is completely dominant over the d all…
75 percent
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question 9 1 pts which of the following statements correctly describes …
They are crosses involving two genes with two alleles each.
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question 8 1 pts being able to use a punnett square to track the patter…
independent assortment.
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question 7 which of the following might explain how two separate genes …
There are two genes to control two separate steps in a pathway.
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question 6 1 pts which of the following statements is not true? a genot…
A. A genotype is always expressed in the phenotype.
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united states history i: beginn student.ex.edgenuity.com/learning/enrol…
1. Jefferson: strict constructionist 2. Hamilton: loose constructionist 3. Who won: Hamilton
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question 5 which of the following statements regarding genes is not tru…
In sexually reproducing species, each cell contains a single copy of every gene.
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re 9.2: observe and describe the significance of cellular reproductive …
- **Mitosis (Unique)**: Two diploid daughter cells, one - division cycle, for growth/repair/asexual reproduction (in some), no crossing - over (mostly). - **Meiosis (Unique)**: Fo…
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question 4 1 pts which of the following represents a homozygous genotyp…
pp
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6. henry viii is known for a. breaking away from the catholic church to…
6. A. Breaking away from the Catholic Church to form the Church of England 7. A. A religious movement that challenged the Catholic Church 8. A. To officially declare them a saint …
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question 3 1 pts mendel used ______ as his research organism to study p…
garden peas
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in a monohybrid cross between two true - breeding parents that both exh…
\(0\)
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question 1 1 pts the chance of a parent passing on a given allele to a …
is the same
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9 true or false 2 points true or false: the french revolution was prima…
9. B. False 10. A. True
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growth and development male reproductive system - external and internal…
1. organs 2. sperm 3. testosterone
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5 multiple choice 2 points which invention played a crucial role in the…
5. C. Telescope 6. B. By questioning traditional authority and advocating for individual rights and democratic governance 7. B. False 8. B. False
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a population of llamas exhibits type i survivorship. it has a nice life…
The left - hand graph.
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united states history i: beginnings to the industrial revolution ic qtr…
- to loan money to the federal government and businesses - to develop a single currency for the nation - to pay off the national debt with federal tax money
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1 multiple choice 2 points how did the scientific revolution impact rel…
1. It encouraged scientific inquiry that sometimes conflicted with religious teachings 2. Religious tolerance and freedom of speech 3. False 4. Inherent to all individuals by virt…
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scientists want to breed crop species that are resistant to a newly eme…
1. Meiosis creates genetic variation allowing resistant trait combination. 2. DNA replication during Interphase.
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a researcher observes cells that begin as diploid (2n) and end up as tw…
- First question: Promote asexual reproduction, growth, and tissue repair. - Second question: Meiosis reduces the chromosome number by half.
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a gene mutation occurs on a section of chromosome 1 during prophase i. …
1. B. Crossing over 2. C. Independent assortment
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the preparatory stage where the cell grows and duplicates its chromosom…
The daughter cells would receive insufficient or inconsistent DNA.
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a. how are the contents of the three diagrams alike? this diagram repre…
a. \(x = 3\) or \(x=-1\) b. \(x = 4\) or \(x=-14\) c. \(x = 2\) d. \(x = 0\) or \(x=-22\) e. \(x=\frac{57}{7}\) or \(x=\frac{41}{7}\)
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how does the total amount of genetic material in the four cells produce…
The four daughter cells are haploid (n), containing half the DNA of the parent cell combined.
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5) bob believes that giraffes have long necks because they have stretch…
a. Bob b. Ryan c. August Weismann
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2. each boxed out diagram represents the square of an expression or a p…
| | \(h\) | \(+\frac{1}{3}\) | |---|---|---| | \(h\) | \(h^{2}\) | \(\frac{1}{3}h\) | | \(+\frac{1}{3}\) | \(\frac{1}{3}h\) | \(\frac{1}{9}\) |
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a eukaryotic organism utilizes an asexual method to replace millions of…
1. A. They are diploid cells genetically identical to the original cells. 2. A. Mitosis, as used in growth and repair.
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a scientist prepares two cell cultures: one undergoing mitosis and one …
- First question: Interphase - Second question: Two times
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1) there are two types of rabbits: those that strictly eat grass and th…
- a. - Against: Rabbits that strictly eat berries and flowers. - For: Rabbits that strictly eat grass. - Darwin's 5 points: - Population has variations: Two types of rabbits (gras…
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6. two other parents think their baby was switched at the hospital. the…
a. \(I^{A}I^{A}\) or \(I^{A}i\) b. \(I^{B}I^{B}\) or \(I^{B}i\) c. \(I^{A}I^{B}\) d. (See Punnett square above) e. No
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what is the difference between interstate and international commerce?
Interstate commerce occurs within a single country, while international commerce occurs between different countries.
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3) in ostriches, there are 2 types: ones that run fast and those that r…
- a. - Against: Ostriches that run slowly - For: Ostriches that run fast - Darwin's 5 points: - Population has variations: There are fast - running and slow - running ostriches. -…
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6. two other parents think their baby was switched at the hospital. the…
a. \(I^{A}I^{A}\), \(I^{A}i\) b. \(I^{B}I^{B}\), \(I^{B}i\) c. \(I^{A}I^{B}\)
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a pigouvian tax is defined as: a. a tax on a good with external costs. …
A. a tax on a good with external costs.
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3) in ostriches, there are 2 types: ones that run fast and those that r…
Against: Ostriches that run slowly. For: Ostriches that run fast.
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6. two other parents think their baby was switched at the hospital. the…
a. \(I^AI^A\), \(I^Ai\) b. \(I^BI^B\), \(I^Bi\) c. \(I^AI^B\) d. (shown in step4 examples) e. No