生物
细胞生物学、遗传学、生态学与生命科学基础。
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lo 7.2. what are the external genitalia of females? vulva, uterus, and …
Labia majora, labia minora, clitoris, and vaginal opening
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practice it lo 7.3. what is the function of epithelial cells in the rep…
To help transport the sperm and eggs to their respective destinations for fertilization, and to provide a nourishing environment for the developing embryo to grow and develop.
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walks its length, halts, looks up.) and one window—too high up to see o…
required to interpret movements in absence of stage directions.
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question 6 (multiple choice worth 3 points) (05.03 mc) humans, monkeys,…
D. Primates have larger, forward - facing eyes and smaller noses than most other mammals.
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test information description instructions from the list of choices, sel…
20
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read the following excerpt from the passage, then choose the correct an…
B. The scientists unwrapped and cleaned the bones.
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a male cardinals red color is an example of a trait affected by natural…
Increased variation in the shades of red because there is no selection for more vibrant color (Note: Assuming the first option is the correct one based on the logic; if the exact …
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multiple choice question in general, the supreme court has ruled that t…
C. far exceeds merely buying and selling goods and services (assuming the options are labeled A, B, C, D with the third option being C)
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what is a claim? claim: an arguable statement - can be argued for or ag…
Students should not be required to wear uniforms to school.
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click an item in the list or group of pictures at the bottom of the pro…
To label the internal structure of the Earth, we match each layer to its position in the diagram: 1. **Crust**: The outermost solid layer (thin, blue - green part on the diagram).…
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write in the functions of each organelle describe the function of each …
- Nucleus: Control center of the cell, contains DNA. - Ribosome: Site of protein synthesis. - Endoplasmic reticulum: Rough ER - protein synthesis and modification; Smooth ER - lip…
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persuasive text: rhetoric repetition - the repeated use of a word or ph…
irony
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2. annote le texte ci-dessous puis reformule-le sur une feuille. texte …
**Sujet** : La Coupe du Monde de football 2010 en Afrique du Sud. **Idées principales** : - L’Afrique du Sud accueille la Coupe du Monde 2010 (jusqu’au 11 juillet), événement mond…
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the process where bacteria takes nitrogen out of the air and makes it u…
nitrogen fixation
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genetic code quiz complete 1 2 3 4 5 6 7 8 9 10 in 1953, who developed …
James Watson and Francis Crick
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genetic code quiz complete organisms inherit specific traits and charac…
genes
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the uptake of useable nitrogen forms by plants is called assimilation. …
assimilation.
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genetic code quiz complete 1 2 3 4 5 6 7 8 what is one benefit of mappi…
locating the chromosomal abnormalities that cause disease
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the conversion of nitrogen gas in the atmosphere (n₂) to a form that pl…
nitrogen fixation
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genetic code quiz complete if the same base pairs are used to code for …
The order of the codons differs between organisms.
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ammonia is often used as plant fertilizer - what does it contain that p…
Nitrogen
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genetic code quiz complete 1 2 3 4 5 6 which bases are found in a stran…
adenine, thymine, guanine, cytosine
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we (humans and other heterotrophs) get nitrogen by eating plants and an…
eating plants and animals.
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genetic code quiz complete rosalind franklin is famous for which contri…
creation of an X - ray diffraction image of DNA structure
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there is a large supply of nitrogen gas (n₂) found in our atmosphere, b…
usable nitrogen forms.
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genetic code quiz complete 1 2 3 4 which are segments of dna that code …
genes
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the south won every major civil war battle until the battle of antietam…
A. the Battle of Antietam
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genetic code quiz complete 1 2 3 according to chargaffs rule, base pair…
A. \(A = T; C = G\)
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how to use commas compound sentences a before the conjunction that join…
I want to go to sleep, but I know I need to work right now.
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president lincoln issued the emancipation proclamation after the unions…
A. the Union’s effectiveness at the Battle of Antietam.
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genetic code quiz complete 1 2 who is credited with creating the first …
James Watson and Francis Crick
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the carbon is returned to the non - living parts of the world through w…
Cellular respiration
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which of the following features is a significant difference in the func…
A. RNA polymerase does not require a primer to add new nucleotides.
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which example best shows the contribution of african american troops du…
D. the Battle at Fort Wagner
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genetic code quiz complete 1 as dna is replicated, which dna base pair …
guanine
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question 5(multiple choice worth 3 points) (05.03 - mc) a group of scie…
A. Independent teams reviewing their work and arriving at the same conclusion
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which of the following can you infer from the information in the table …
B. \( H. neandertalensis \) is not a direct ancestor of \( H. sapien \)
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the oregon trail spanned approximately miles from missouri to oregon. t…
2,170 ### 2. The Donner Party became snowbound in the \_\_\_\_\_\_\_\_\_\_ mountains during the winter of 1846 - 47.
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15. why do you think a tightly coiled dna shape is more efficient for s…
A tightly coiled DNA shape is more efficient for storing information because it allows a large amount of genetic material (a long DNA molecule) to be compacted into a very small s…
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question 3(multiple choice worth 3 points) (05.03 mc) which of the foll…
C. Tooth size has decreased as hominids evolved toward the use of tools
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question 2(multiple choice worth 3 points) (05.03 lc) which type of fos…
C. Femur shape of each species
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which of the following describes mutations? neutral mutations depend on…
A. Neutral mutations depend on the degeneracy of the genetic code.
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check the mrna and amino acid sequence in figure 16.6. which of the fol…
\( \boldsymbol{5' - GCA - AAA - GAA - UUA - CAU - 3'} \) (the first option)
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mutant n. crassa cells that cannot make arginine on their own must be s…
(a) No; (b) Yes (the second option, e.g., the option with " (a) No; (b) Yes " text)
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question 1(multiple choice worth 3 points) (05.03 lc) based on the data…
C. Homo erectus (Extinct hominid)
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analyze and conclude 12. explain which part of a dna molecule is repres…
The answer depends on the materials used in the DNA model. For example, if colored balls were used for nitrogenous bases, those balls represent the nitrogenous bases (adenine, thy…
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why is rna interference aptly named? see section 19.4. the function of …
C. Both the miRNA that does the interfering and the mRNA that is destroyed are RNA.
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assignment active dna, chromosomes, and gene describe the relationship …
DNA is the genetic material. Chromosomes are structures composed of DNA and proteins. Genes are segments of DNA located on chromosomes that carry the instructions for specific tra…
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why do dna loops form near the core promoter in order for transcription…
The looping of the DNA in this region recruits the general transcription factors that recruit RNA polymerase II to start transcription of the gene. (The option corresponding to th…
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in eukaryotes, what allows only certain genes to be expressed in certai…
the set of regulatory transcription factors
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which of the following statements about this enhancer is correct? the e…
The enhancer is associated with a protein when the gene is being transcribed.
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5. how do you think the cells that make up an organism might use code t…
Cells use the genetic code in DNA (deoxyribonucleic acid) within genes (segments of chromosomes) to determine traits. DNA contains nucleotide - base sequences (A, T, C, G) that ac…
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however you may have reformed your life in many things, and may have ha…
eternal
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1. what advantages did the british have as the revolutionary war began?
The British advantages included a professional military, centralized governance and resources, global imperial support, and Loyalist/Native American allies.
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question 20 what role does recombinant dna play in genetic engineering?…
It is responsible for altering an organism's characteristics.
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question 19 which is the best definition of genetic engineering? variat…
changing an organism's characteristics by manipulating its DNA
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question 18 why are enzymes needed in the process of dna replication? t…
They speed up the replication process.
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genetic information dna is coiled into chromosomes in a cells nucleus. …
Genes
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analyzing blood oxygen levels investigation rubric focus question: how …
At rest, arterial blood has a higher oxygen concentration. During exercise, the muscular system uses the oxygen carried in the blood for energy - production (cellular respiration)…
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genetic information dna is coiled into chromosomes in a cells nucleus. …
chromosomes
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light reflects off a smooth surface, resulting in a clear reflection. w…
specular reflection
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question 17 if you see a pea plant that has white flowers, what can you…
Its genotype is surely aa.
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question 7(multiple choice worth 2 points) (05 02a mc) adult female mon…
D. gene flow
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question 6(multiple choice worth 2 points) (05.02a mc) what happens aft…
C. The surviving species evolve more rapidly to fill the newly available niches.
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male and female whales practice mating behaviors to form offspring. mal…
sexual reproduction through internal fertilization
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mendel crossed homozygous tall and short plants. the law of segregation…
If the homozygous tall plant (TT) crosses with a homozygous short plant (tt), then all the F1 plants become heterozygous tall plants (Tt).
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charcot-marie-tooth is a muscular wasting disease that affects 1 in 2,5…
duplication
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is the trait being tracked in the pedigree below dominant or recessive?…
Dominant
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what do we call individuals that are \half - shaded\? normal afflicted …
Carriers
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question 12 can cells that are haploid (single set of chromosomes) unde…
No, haploid cells have only one set of chromosomes that cannot be reduced.
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how many individuals are affected (have the trait) in the pedigree belo…
5
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how many children do ii.4 and ii.5 have and what are their genders? 1 p…
3 - 1 boy and 2 girls
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question 11 which genetic mutations cause damage to an individual organ…
mutations that are not repaired
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assume the pedigree is tracing the dominant trait of freckles (f) throu…
Heterozygous (\(Ff\))
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question 10 meiosis is composed of meiosis i and meiosis ii respectivel…
A. reductional division and equational division
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how many generations are shown in this pedigree? 1 point
3
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which letter represents a person who does not express the trait? 1 poin…
C.
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when transcription occurs in eukaryotic cells, a dna strand is copied t…
Exons because they are coding sequences.
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what letter represents a person who expresses a trait? 1 point
A.
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question 8 how are peptide bonds formed between amino acids in the elon…
C. The amine group of one amino acid reacts with carboxyl group of another amino acid.
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two models for the speed of speciation are based on patterns in the fos…
D. Species accumulate their unique features rapidly, then change little for the duration of the species
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what letter represents a female? 1 point
A.
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the purpose of this pretest is to assess your mastery of the standards …
C. Interrupt some stage of the cell cycle, such as the formation of the spindle that separates chromatids.
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what letter represents a male? 1 point
C.
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saccharomyces is a type of yeast preferred by bakers because it grows v…
D. budding through asexual reproduction
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which is an example of an internal conflict? (1 point) character versus…
character versus self
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concluding a narrative quick check which is true of central conflict? (…
It drives the story’s action.
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what role does the enzyme dna polymerase play in transcription, related…
B. It knows where to begin transcribing and where to stop.
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question 4 which one of the codons below would stop the translation of …
UAG, UAA, UGA
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question 3 1 pts why must a cell that needs to divide follow the sequen…
C. If the sequence were changed or a stage skipped, the cell would lack the material and energy to divide.
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ew the genetic code in the same codons. which factor of the genetic cod…
the order of the codons
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5 indiquez une différence et une similitude entre les fonctions du gouv…
**Différence** : Le gouverneur général a un rôle centré sur le pouvoir exécutif et militaire (commandement des troupes, justice criminelle), tandis que l'intendant gère les affair…
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jamestown, englands first permanent north american settlement, faced st…
- Problem: Colonists in Jamestown faced starvation. Solution: The Powhatan people sent supplies. - Problem: The Puritans were persecuted for their religion. Solution: They helped …
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wolf-hirschhorn syndrome affects the faces of the individuals who are s…
deletion
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question 4(multiple choice worth 2 points) (05.02a mc) what should be t…
D. It has a consistent rate of neutral mutations from generation to generation.
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how do fungi obtain their energy?*autotrophs (photosynthesis)heterotrop…
1. B. Heterotrophs (absorption) 2. D. Decomposer 3. B. Bread
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some plants are angiosperms and produce _______, while others are gymno…
- First question: Fruits/flowers, cones - Second question: multicellular - Third question: eukaryotes - Fourth question: chitin, cellulose
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genetic code instruction active review the geneti most organisms contai…
true
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read the text. ants - not humans - may have been the first to \invent\ …
- Temperature changes may hurt their crops - Ants dig deep chambers. - Humidity changes may hurt their crops - Ants bring in water. - Some kinds of bacteria may hurt their crops -…
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what do pharmacologists focus on understanding? how drugs interact with…
A. how drugs interact with biological systems