Biology
Cell biology, genetics, ecology, and life science fundamentals.
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the human genome has an estimated 25,000 genes on 23 chromosomes that c…
trillions
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in certain types of cells, like liver and heart tissues, tetraploid (4n…
S - phase, M - phase
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the international development association (ida) performs which of the f…
B. provides long - term, low - interest social sector and infrastructure loans to the poorest members utilizing foreign aid funds provided by rich nation members
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match each process to its description(s). meiosis ii mitosis meiosis i …
- Separates sister chromatids: meiosis II, mitosis - Results in diploid cells: mitosis - Separates homologous chromosomes: meiosis I
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match the following cells with their appropriate ploidy level. a bacter…
a bacterium with a single circular chromosome - haploid a human cheek cell - diploid silk glands of the commercial silkworm, containing over a million copies of the genome - polyp…
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complete the passage regarding chromosomes. in humans, cells containing…
diploid, homologous, identical, centromere
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soto and shonnenschein finally identified nonylphenol in the flasks the…
Interfere with the G0/G1 checkpoint
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while studying a newly discovered eukaryote, you notice that the organi…
4 homologous chromosome pairs, 16 sister chromatids in total
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label the figure with the appropriate description of each phase of the …
- $G_1$ phase: preparing for replication - $S$ phase: DNA replication - $G_2$ phase: preparing for cell division - $G_0$ phase: resting - Mitosis: separation of replicated DNA, da…
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place a check in the correct box to identify the type of structure each…
1. Homologous 2. Vestigial 3. Analogous 4. Vestigial
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6.4. diagram, using the appropriate terms, the steps in mitosis and in …
Top - left image: prophase (chromatin condensing, nuclear - envelope breaking down). Top - right image: metaphase (chromosomes aligned at the equator). Bottom - left image: anapha…
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what are two main components of natural selection?* mimicry and artific…
1. variation and inheritance 2. It describes changes over many generations. 3. hawk and insect wings
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biology final locked mode is on. to avoid losing your progress, complet…
1. B. evolution 2. C. variation and inheritance
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6. how are twin and adoption studies used in psychology? what do they t…
6. Twin and adoption studies help determine the relative contributions of heredity and environment to psychological traits. 7. Monozygotic twins are genetically identical, dizygot…
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drag each phase of mitotic cell division to the appropriate image. mito…
Without seeing the specific features of each image clearly, a general guide: - Images showing a cell with a single, well - defined nucleus and normal cell shape: interphase - Imag…
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for each statement, check the box indicating whether the statement appl…
- Two sets of cell divisions occur: Meiosis - The DNA of the resulting daughter cells are identical: Mitosis - Gametes are formed: Meiosis - Cell growth and repair is completed: M…
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crossing over greater genetic variation the removal of genotypes from a…
1. greater genetic variation 2. dominant
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crossing over results in: * homologous chromosome pair crossing over gr…
greater genetic variation
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the diagram above shows a portion of a dna molecule. the letters in the…
G - G - A
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6.4. diagram, using the appropriate terms, the steps in mitosis and in …
Mother: diploid Father: diploid Egg: haploid Sperm: haploid
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in this pedigree, which family members are carriers of a recessive trai…
both parents
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an example of codominanceheterozygous intermediate traitshomozygous rec…
heterozygous intermediate traits
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which of these encompasses the socioeconomic reform process of eliminat…
d. globalization
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the process by which haploid gametes combine is called _. options: syna…
1. fertilization 2. alleles for flower color in snap - dragons showing incomplete dominance
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according to the world bank, more than 600 million chinese citizens hav…
B. globalization
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a single allele a genotype consisting of two recessive alleles a hetero…
1. a heterozygous trait 2. codon 3. genetic variation
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question 3 (1 point) what is the initial reactant in cellular respirati…
C. glucose
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a zygote will start a series of divisions using _______ to give rise to…
mitosis
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a process called ___ uses the code carried by messenger rna for protein…
1. C. translation 2. A homozygous dominant genotype
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module 1.1 interaction of heredity & environment 1. define psychology: …
1. Psychology is the scientific study of the mind and behavior. The nature - vs - nurture debate is relevant as it explores the contributions of heredity and environment to psycho…
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figure 1 tay - sachs disease pedigree which of these are not one of the…
1. B. uracil 2. Methionine, Serine
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in anaphase i in meiosis what is being pulled to opposite sides of the …
homologous chromosome pairs
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in which process do the chromosomes line up in a single line in the mid…
Meiosis II, Mitosis
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use figure 1 to label the parts of the nucleotide a,b,c * nucleotide st…
A. Phosphate B. Deoxyribose Sugar C. Nitrogenous Base
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which of these is not part of the cell theory?* all cells come from oth…
1. B. All cells have a nucleus 2. D. zygote
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chromosomes can transfer their genetic information and exchange it betw…
B. crossing over
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what can result from improper regulation of the cell cycle? * apoptosis…
B. cancer
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how many sets of chromosomes does a diploid cell have? two sets of chro…
Two sets of chromosomes
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which of the following are products of the anaerobic breakdown of gluco…
carbon dioxide, 2ATP, lactic acid, ethanol, NAD+
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which gives a greater yield of atp, alcoholic fermentation or cellular …
B. cellular respiration
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if an astronaut on the international space station harms another astron…
False
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check the box to indicate whether the event described by each statement…
Results in a condition called cancer: Abnormal Involves special proteins called cyclins: Normal Can be caused by overexposure to X - rays: Abnormal Has an environmental limit to p…
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substances known to cause cancer are called: * kinases carcinogens stem…
B. carcinogens
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the method by which a cells cytoplasm divides is called: * interphase d…
C. cytokinesis
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which processes in the respiration and fermentation pathways occur in t…
C. electron transport chain D. citric acid cycle
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which processes in the respiration and fermentation pathways are anaero…
A. Glycolysis B. Fermentation
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nisha has been a journalist all her life, mostly covering space mission…
space publishing
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what is the global system of exchange rates and international payments …
C. the International Monetary System (IMF)
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compare the response of plant and animal cells placed in hypertonic, is…
In hypertonic solutions, plant cells plasmolyze and animal cells shrink. In isotonic solutions, plant cells are turgid and animal cells maintain normal shape. In hypotonic solutio…
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unlike animals, plants never absorb enough water that their cells burst…
Plant wilting is due to decreased turgor pressure from water loss. The optimum environment includes proper water, temperature, sunlight, and soil conditions.
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write an answer to the guiding question: why do horses have hooves inst…
Horses have hooves instead of multiple toes due to evolutionary adaptations for speed and efficient locomotion in their open - grassland environments.
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question 13 (0.5 points) listen a student conducted an experiment by pl…
c) The solution in the beaker is hypotonic to the solution in the dialysis bag
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question 12 (0.5 points) listen a student conducted an experiment by pl…
b) Yes
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how many cells are present at the end of telophase? 4 2 1 3 rewatch
2
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question 11 (0.5 points) listen a student conducted an experiment by pl…
b) increase
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question 10 (0.5 points) listen a student conducted an experiment by pl…
b) Yes
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because the 2 chromatids that make up a chromosome are identical they a…
sister
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question 9 (0.5 points) listen a student conducted an experiment by pla…
b) Yes
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question 8 (0.5 points) listen a student conducted an experiment by pla…
B. No
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the term used to describe the shrinking of cells placed in a hypertonic…
a) crenation
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the motion of large molecules based on the intrinsic random molecular k…
c) Brownian movement
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the movement of water through a selectively permeable membrane from reg…
B. osmosis
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the dissolved inorganic and organic molecules in an aqueous solution ar…
D. solutes
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the term used to describe the the vacuole and cytoplasm shrinkage that …
d) plasmolysis
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multiple - choice question which structure do prokaryotes lack? nucleus…
A. Nucleus
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what is it called if the cells divide our of control? cancer(tumors) re…
Cancer(Tumors)
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the fact that older locusts use less energy to fly than younger locusts…
C. the older locusts have learned a more efficient way to fly
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multiple - choice question what type of cells does mitosis make? skin a…
Skin and stomach
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which of the following would not be classified as innate behavior? a. a…
D. learning to ride a bike at the age of 5
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what is the outcome when an innate behavior is repeated and practiced? …
B. The behavior becomes more skillful
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will the cells created in meiosis be identical to the parent or unique?…
Unique
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multiple - choice question during metaphase ii, what is lined up in the…
The sister chromatids are in a single file line down the middle.
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a group of ecologists led by axel mithöfer at the max planck institute …
plant
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health care costs in the united states are on the rise. some people say…
No specific answer provided as it requires conducting an internet search and writing an essay which cannot be fully completed here. The steps would involve searching for editorial…
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what are the phases of mitosis (m - phase)? prophase, metaphase, anapha…
A. Prophase, Metaphase, Anaphase, Telophase
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(3.4.b) shock: quiz which of the following are included in the care for…
All of the above
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after dna replication occurs how many chromatids does the human body ce…
D. 92
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where are the chromosomes located? lysosome nucleus cell membrane golgi…
B. Nucleus
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multiple - choice question what are sperm and egg cells known as? □ gam…
A. Gametes
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what type of conflict is man vs. nature? ○ internal ○ external
external
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what are the two main types of conflict? o internal and external o lite…
1. A. internal and external 2. A. internal
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chapter 2 1. what are the animals preparing for? when do they think it …
1. They are preparing for a rebellion against humans. They think it will happen when the right time comes. 2. It implies Napoleon is more complex or calculating while Snowball is …
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changes in supply scenario: the following schedule shows a change in su…
a. La curva de oferta original se desplazó hacia la derecha. b. El precio de equilibrio disminuyó y la cantidad de equilibrio aumentó. c. 14 d. Porque la cantidad ofrecida es igua…
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between womens lack of rights in the household and the effect on childr…
Second option, Third option (assuming it is relevant when complete)
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how do paragraphs 10 - 11 contribute to the power of fullers argument f…
by providing evidence of countless contributions of women and African Americans to American society
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question 17 0.5 pts why are bfrs so toxic to the ecosystem? they are fo…
Question 17: They are resistant to biodegradation and accumulate up the food chain Question 18: Most of the toxic compounds are treated and managed on site and out of the public e…
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how did the neolithic revolution change human societies? describe one w…
The Neolithic Revolution changed human societies by enabling the shift from nomadic lifestyles to settled farming communities, leading to population growth, social stratification,…
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what is biomagnification? when compounds resist microbial decomposition…
For the first question: When compounds resist microbial decomposition, are passed along the food chain and increase in concentration towards the top For the second question: Posit…
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in the last 30 years, what fraction of the earth’s natural resources ha…
For the first question: No reliable answer among the options. For the second question: B. Brominated Flame Retardants
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sequence the pathway, starting with synthesis, that secretory proteins …
3. endoplasmic reticulum, 4. golgi, 1. vesicles, 2. exterior of cell
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according to annie leonard in \the story of stuff\, textbooks report th…
Question 1: C. Extraction, production, distribution, consumption and disposal Question 2: A. The real costs that are not captured by the price we pay
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sequence the pathway, starting with synthesis, that secretory proteins …
3. endoplasmic reticulum, 4. golgi, 1. vesicles, 2. exterior of cell
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which line of code will create an instance of the pet class? class pet:…
A. myPetA = pet('dog', 'Spot')
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the following question refers to the graph below, which illustrates the…
0.3M
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which behaviors demonstrate how animals use grouping for different surv…
Ants using grouping for food access Elephants using grouping for cooperation Herds protecting young animals
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a student used a microscope to observe a wet - mount slide of red onion…
The movement of water from the central vacuoles of the cells into the solution
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which factors contribute to reproductive success in animals? (select th…
Successful courtship behaviors, Availability of food resources
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arrange the following steps of plant reproduction from first to last, s…
1. Pollen is released from male plant parts 2. Pollen travels to female plant parts 3. Fertilization occurs when sperm meets egg 4. Seeds develop and mature
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a student used a microscope to observe a wet - mount slide of red onion…
The movement of water from the central vacuoles of the cells into the solution
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which of the following components of the cell membrane is responsible f…
C. Protein