Biology
Cell biology, genetics, ecology, and life science fundamentals.
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in fruit flies, + (wild-type) is dominant to se (sepia). a cross yields…
\(+Se \times SeSe\)
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part 1 here is the wild - type dna sequence again: atgtgccctttg... drag…
The correct amino acid sequence from left to right is Met, Cys, Pro, Phe.
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critical thinking instructions: next to each image, you complete two ta…
### First Image (Newspaper Headlines) - List: Multiple newspaper clippings (from "The Atlanta Evening News", "The Atlanta Journal"), headlines about alleged assaults by a "Negro",…
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imagine you are studying the function of a gene in yeast cells called s…
B. Increasing the amount of repressor proteins that can bind silencers near \( SIR2 \) E. Adding more silencers near the \( SIR2 \) gene
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imagine you are a biologist studying a protein that is involved in cell…
C. The active form has negatively charged phosphate groups covalently attached to it while the inactive form does not. D. The active form has a different tertiary structure than t…
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question 2 1 pts the process by which individuals acquire the knowledge…
A. Socialization
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imagine you are an oncologist (cancer doctor). you are trying to unders…
1. After being transcribed, the introns are not removed from an mRNA 2. The mature mRNA contains RNA sequences beyond exon sequences 3. During translation, the ribosome binds to a…
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question 99 in most plants, water and minerals are absorbed by ______. …
D. the roots
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test content page 98 of 100 question 98 in temperate (not extremely hot…
D. all of these are correct
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second position u c a g first position (5 end) u uuu uuc phe ucu ucc se…
CUU, CUA, UUG, CUG
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test content page 97 of 100 question 97 which of the following is not a…
B. They are heterotrophs
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page 96 of 100 question 96 when light shines on one side of a plant mor…
A. the shady side
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test content page 95 of 100 question 95 high levels of ______ promote s…
A. abscisic acid
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question 94 in general, gibberellin promotes ______. a the growth of fr…
B. All of these
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question 93 the site of water uptake in the root is the ______. a stoma…
C. root hairs
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test content page 92 of 100 question 92 the main photosynthetic organel…
E. chloroplasts
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question 91 the part of the plant that transports sugars produced by ph…
B. Phloem
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this diagram shows the end of a linear chromosome undergoing dna replic…
Region B, Region C ### Part 2
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question 90 plants are important to animal life in that they provide: a…
A. All of the above are correct
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this diagram shows the end of a linear chromosome undergoing dna replic…
### Part 1 # Explanation: ## Step1: Recall DNA replication basics DNA replication is semi - conservative. The leading strand is synthesized continuously in the \(5'\to3'\) directi…
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dna replication learning objective 19.3: describe the function of major…
B. ligase, C. primase
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dna replication learning objective 19.2: given a diagram of a dna molec…
1. Replication forks are formed. 2. RNA primers are added. 3. DNA polymerase adds matching base pairs to template strands. 4. RNA primers are removed. 5. An enzyme connects nucleo…
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question 89 the ______ connects the urethra and the testes. a vas defer…
A. vas deferens
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by dragging and dropping the descriptions at the bottom into the column…
- Homologous chromosome pair: Typically has the same set of genes, but likely has different alleles - Non - homologous chromosome pair: Typically has a different set of genes - Si…
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levels of organization before you read what do you think? read the two …
Biology (subfield of Natural Science)
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in the following image, which number(s) identify homologous chromosomes…
1 and 2 (the option labeled "1 and 2")
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question 87 the diploid first cell of a new organism is a: a zygote b g…
A. Zygote
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question 85 the tightly coiled structure (structures) inside the testes…
D. Seminiferous tubules
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part c - using the punnett square to make predictions use the completed…
1. $\boldsymbol{\frac{3}{4}}$ 2. $\boldsymbol{\frac{1}{3}}$ 3. $\boldsymbol{\frac{63}{64}}$ 4. $\boldsymbol{\frac{27}{64}}$ (Assuming the questions are 1 to 4 as labeled, with the…
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what is a snake that eats a mouse an example of? ○ predation ○ competit…
A. predation
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the chromosome theory learning objective 18.1: given a micrograph or dr…
For the second diagram (one long, one short red chromosome): non - homologous chromosomes. For the third diagram (two chromatids, same, joined): sister chromatids. For the fourth …
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a relationship in which one species kills and consumes another species …
A. predation
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action potentials 1. what are two other terms for an action potential? …
1. Nerve impulse, Spike potential 2. False 3. Membrane potential (or Resting membrane potential) 4. Unequal ion distribution (e.g., $\text{Na}^+$, $\text{K}^+$) across cell membra…
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the diagram below represents the central dogma of molecular biology. dr…
- gene: ⇨ A - mRNA: ⇨ C - temporary information is made using stored information: ⇨ B - a functional product is built using a temporary message: ⇨ D - protein: ⇨ E
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the surrender of yorktown (excerpt) dr. james thacher (1754–1844) was a…
British troops
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mendels law of segregation female gametes g2 g1 g2 g1 male gametes g2 g…
$\frac{1}{2}$ (or the option with 1/2, depending on the question's context, but based on Mendel's segregation for Yy parent, gamete probability is 1/2)
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question 84 sperm are stored in the ______ prior to ejaculation. a epid…
A. epididymis
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test content page 84 of 100 question 84 sperm are stored in the ______ …
A. epididymis
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mutation learning objective 23.3: given a specific change in a dna codi…
- a single - base mutation in the gene’s promoter that prevents RNA polymerase from binding to the promoter - a single - base mutation in the start codon
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select the correct answer. read paragraph 1. (1) \at about twelve ocloc…
D. personal staff accompanying an official who is on official business
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test content page 83 of 100 question 83 the diploid first cell of a new…
D. Zygote
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test content page 82 of 100 question 82 the uterus is lined with a tiss…
A. endometrium
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the surrender of yorktown (excerpt) dr. james thacher (1754–1844) was a…
D. The surrender took place on a gloomy day
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use the text to compare and contrast venomous creatures and poisonous c…
| | Venomous creatures | Poisonous creatures | | --- | --- | --- | | Can be deadly | ✔️ | ✔️ | | Bite, stab, or sting | ✔️ | ❌ | | May use their toxic chemicals in mating | ✔️ | ❌…
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consider this diagram of an operon. suppose a protein binds to the red …
C. The transcription of structural sequences 1 through 4 would be inhibited.
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question 81 the ____ produces a thin, milky fluid that helps the sperm …
A. prostate gland
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imagine you are a biologist studying a protein that is involved in memo…
A. The active form has negatively charged phosphate groups covalently attached to it while the inactive form does not. B. The active form has a different tertiary structure than t…
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ch 14 hw - attempt 1 mendels law of segregation use the character of pe…
\( \frac{1}{2} Y \), \( \frac{1}{2} y \) (the option with \( \frac{1}{2} Y \) and \( \frac{1}{2} y \))
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use what you have learned to complete the text. the two chambers of con…
1. enumerated 2. implied 3. Senate 4. House of Representatives 5. House of Representatives 6. Senate
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enzyme products substrate active site how enzymes work letter e...
products
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this question has 2 parts. when biologists say that the genetic code is…
D. Some amino acids are coded for by more than one codon.
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part a consider pea plants with the genotypes ggtt and ggtt. these plan…
four... one
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second position u c a g first position (5 end) u uuu phe ucu uau tyr ug…
stop codon, Phe (phenylalanine)
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second position first position (5 end) third position (3 end) u c a g u…
A. CGU, B. AGA, D. CGC
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page 80 of 100 question 80 all of the following are potential causes of…
E. meiosis
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crossword the call of the wild by jack london complete and unabridged a…
The filled answers match clues: - Across: 1. Buck, 5. California, 6. Mail, 7. Spitz, 8. Rivals, 9. Compelled, 13. Manuel, 14. Curly. - Down: 3. Wild, 13. Manuel (matches across 13…
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seventh grade questions 1 time 01:15 smartscore 15 video use the text t…
- Can be deadly: Venomous creatures (☑), Poisonous creatures (☑) - Bite, stab, or sting: Venomous creatures (☑), Poisonous creatures (□) [SSE Completed, Client Connection Error][S…
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question 79 in vertebrates, this part of the brain varies in size and c…
D. cerebrum
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during which part of meiosis (meiosis i or meiosis ii) do the two allel…
meiosis I, anaphase
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question 78 the primary neurotransmitter of addiction is ______. a egot…
D. dopamine
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this botanist used the same logic to reach her conclusions as mendel us…
law of segregation
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question 77 damage to the hippocampus affects ______. a bladder control…
B. memory
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question 76 sensory input comes into a neuron at the ______. a axon hil…
E. dendrites
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trait a, which is x - linked, is related to colorblindness. a is consid…
3:1
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why is a phenotypic ratio analysis useful? it shows how to change an or…
C. It helps determine the genotype of the parental generation.
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atlanta race riot graphic organizer. causes: the event: effects: atlant…
(Causes Section Content): - The New South era’s false “racial harmony” claims clashed with economic competition (Black workers/farmers in urban/factory jobs, Black business growth…
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test content page 75 of 100 question 75 usually nerve impulses travel f…
C. Neurotransmitters
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question 74 a nerve impulse travels from one end of an axon to the othe…
E. action potentials
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part b - diagramming a cross using a punnett square punnett squares can…
## Homozygous (\(GG\)) Test Cross Punnett Square: - Top - left outside cell: \(G\) - Right - side outside cell: \(G\) - Inside cells: \(Gg\), \(Gg\), \(Gg\), \(Gg\) ## Heterozygou…
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completa la tabla examina las características de los biomas terrestres …
To complete the table of terrestrial biomes, we analyze each characteristic and match it to the correct biome: ### 1. Días muy calientes y noches muy frescas - **Desierto** (Deser…
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which of the following enzymes are part of the replisome during dna rep…
DNA polymerase, primase, helicase
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dna replication learning objective 19.1: use a drawing that you create …
A. After replication completes, each double helix is made of one old strand and one new strand.
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a botanist has acquired a group of sweet pea plants. all of the plants …
Cross the green - pod plant with a yellow - pod plant.
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two molecules of dna are shown here. based on the alleles shown, what a…
A. sister chromatids
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the chromosome theory learning objective 18.2: differentiate between th…
A. Homologous chromosomes C. Non - sister chromatids
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the chromosome theory learning objective 18.1: given a micrograph or dr…
A. a haploid cell, with a haploid number of 24 B. a triploid cell, with a haploid number of 8 D. a haploid cell with 24 chromosomes after DNA replication (24 "X" shapes) E. a dipl…
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the central dogma of molecular biology can be analogous to other real -…
- blueprint of the building: DNA - verbal instructions from a project manager to builders: mRNA - walls, windows, plumbing, appliances: proteins
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part a - exocytosis and endocytosis sort the phrases into the appropria…
- **Exocytosis**: requires fusion of vesicles with the plasma membrane, increases the surface area of the plasma membrane, secretes large molecules out of the cell - **Endocytosis…
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question 70 a species that is so important to its community (such as th…
A. Keystone species
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question 69 which processes regulate the natural carbon cycle on our pl…
A. photosynthesis, respiration, and decomposition
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because ions carry a charge (positive or negative), their transport acr…
- The diffusion of $\text{Na}^+$ ions into the cell is facilitated by the $\text{Na}^+$ concentration gradient across the plasma membrane. - The diffusion of $\text{K}^+$ ions out…
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test content page 68 of 100 question 68 which of the following is not a…
A. ATP cycle
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the freedmens bureau provided education, employment, labor contract ass…
5. 1867 6. Tennessee 7. To be a social club for former Confederate soldiers 8. To intimidate freed blacks and white Republicans (Carpetbaggers and Scalawags) from voting and runni…
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number of calories burned 0 1 2 3 4 5 6 7 8 number of hours spent walki…
B. To burn 480 calories, an individual must walk for 4 hours, C. Walking burns calories at a rate of 120 calories per hour.
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multiple choice question which of the following statements is true rega…
A. Used to report drugs, biologicals, and devices for transitional pass - through payments for hospitals
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9/10 these two cycles help provide the necessary elements needed for dn…
A. Phosphorus Cycle and Nitrogen Cycle
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the image shows a diagram of the sodium - potassium pump across a cell …
- For Group 1 (outside, b): \([Na^+]\) high, \([K^+]\) low - For Group 1 (inside, d): \([Na^+]\) low, \([K^+]\) high - For Group 2 (outside, c): excess + charge - For Group 2 (ins…
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the process of _______ removes carbon dioxide from the atmosphere where…
B. photosynthesis, cellular respiration
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question 65 in a comparison of dna between two species, maximum homolog…
A. 100% of the DNA is the same in both coding and noncoding regions.
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question 64 the \cambrian explosion\ refers to: a the origination of li…
C. The appearance of fossils for all major phyla of animals
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which of the following best describes meiosis? a. it is carried out in …
What is the question asking? The question is asking to find the best description of meiosis among the given options. What is the correct answer? B. It occurs only in cells in the …
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test content page 62 of 100 question 62 the scientific name for every o…
E. genus and species.
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5/10 how does the phosphorus cycle differ from other biochemical cycles…
D. It does not have a gaseous phase
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4/10 what is the primary function of biochemical cycles? to create new …
C. To recycle nutrients in the environment (assuming the options are labeled A - D with A: To create new elements, B: To produce energy for organisms, C: To recycle nutrients in t…
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3/10 what role do bacteria play in the nitrogen cycle? they absorb carb…
They convert nitrogen gas into nitrates and ammonia
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who was the king of great britain during the american revolution? king …
King George III
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organizing information for a work a medium water hose can fill a pool i…
The equation is $\frac{1}{30}t + \frac{1}{20}t = 1$ and it takes 12 minutes.
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2/10 why is the water cycle vital for life on earth? it provides fresh …
A. It provides fresh water to plants and animals
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which country ruled the thirteen colonies before the revolutionary war?…
B. Great Britain
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look at the timeline. then answer the question. 1607 first english colo…
more than 150 years