Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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inquizitive chapter 24: circulatory, respiratory, urinary, and nervous …
False
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page 480 24.6 distinguish between the central and peripheral nervous sy…
amygdala
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what important traits of capillaries allow for highly efficient gas exc…
Correct Answer(s): large number, thin walls, large surface area Incorrect Answer(s): always have a high oxygen concentration
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consider a stroke patient who experiences deficits in vision, hearing, …
specific areas of the midbrain, specific areas of the hindbrain
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consider a stroke patient who experiences deficits in vision, hearing, …
specific areas of the midbrain, specific areas of the hindbrain
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______ protects the brain from most viruses that may destroy neurons wi…
The blood - brain barrier
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question 17 2.5 pts the site on the antibody where the epitope binds is…
C. hypervariable region ### Question 18
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page 470 24.2. describe the function of the different components of blo…
presence of invaders, such as bacteria
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question 15 2.5 pts what types of cells does cytotoxic t cells target? …
A. virally infected cells, B. cancer cells ### Question 16
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page 470 24.2. describe the function of the different components of blo…
platelets
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question 13 2.5 pts which of the following is not an antigen presenting…
A. neutrophils ### Question 14
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question 11 2.5 pts _____________________ are the reason blood incompat…
D. alloantigens ### Question 12
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what aquatic biome would have moving fresh water, vary in temperature, …
river
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question 9 2.5 pts --------------------- is a substance that provokes a…
C. antigen ### Question 10
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question 7 b cells mature in the _____________. ○ heart ○ thymus ○ sple…
D. bone marrow ### Question 8
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both latitude and altitude affect the locations of biomes. * true false…
1. True 2. tropical rain forest 3. Aquatic
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question 5 2.5 pts which t cells lead to the destruction of foreign cel…
C. cytotoxic T cells ### Question 6
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which mhc allows for recognition of self and the regulation of immune r…
A. MHC1 ### Second Question (Which MHC is involved in presenting antigens to T cells during cooperative immune reactions)
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which lymphocyte results in production of antibodies? ○ b lymphocytes ○…
A. B lymphocytes ### Question 2
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all the biomes on earth make up the planet’s _______ which is the large…
1. C. biosphere 2. B. False 3. Terrestrial biomes
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which of the following is not a function of the spleen? serve as a filt…
C. site of Tcell maturation
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page(s) 476-478 24.5. describe how the structure of a nephron relates t…
1. Collect healthy kidney cells from donor. 2. Use healthy kidney cells to grow nephrons on biodegradable framework. 3. Wash away donor cells from artificial tissue. 4. Implant ti…
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which of the following is attracted to sites with parasitic infections?…
B. eosinophils
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genetic maps are based on recombination frequencies. because both odd a…
be zero.
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why isnt mitochondrial dna a unique identifier? multiple choice mitocho…
The third option: Mitochondrial DNA is inherited through the maternal lineage. All offspring inherit their mother's mitochondria, and therefore the same mitochondrial DNA. As a re…
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all the populations of different species that share an area make up a _…
1. B. community 2. A. ecosystem 3. biome
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problems: how many type a individuals how many type ab individuals how …
How many type A individuals: \(4\) How many type AB individuals: \(0\) How many type B individuals: \(0\) Carriers of O type: \(0\) What are the blood types of the above parents? …
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if you needed to determine the order of genes on a chromosome, you shou…
a three-point cross.
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background: the allele for blood type a is represented by the designati…
- Two possible genotypes for blood type A: \(I^{A}I^{A}\), \(I^{A}i\) - Two possible genotypes for blood type B: \(I^{B}I^{B}\), \(I^{B}i\) - Only possible genotype for blood type…
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a genetic ______ indicates the distances between gene loci measured in …
map
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the study of the interactions among different types of organisms, and b…
1. ecology 2. E. organism 3. D. population
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in a two - point cross to map genes a and b, you obtained 98 recombinan…
9.8 cM
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the most common fatal genetic disorder of caucasians is multiple choice…
cystic fibrosis.
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in some human populations, the proportion of individuals who are hetero…
Heterozygous Individuals have an advantage over individuals with two normal alleles.
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question 14 2.5 pts erythrocytes do not have any function in the immune…
False ### Question 15
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name: background: the allele for blood type a is represented by the des…
- Two possible genotypes for blood type A: \(I^{A}I^{A}\), \(I^{A}i\) - Two possible genotypes for blood type B: \(I^{B}I^{B}\), \(I^{B}i\) - Only possible genotype for blood type…
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question 12 2.5 pts which of the following is not a granulocyte? lympho…
A. lymphocytes ### Question 13
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when viewing a human pedigree for a particular genetic condition, you o…
recessive
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sickle cell anemia is caused by a defect in the multiple choice oxygen-…
A. oxygen-carrying pigment hemoglobin.
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question 10 2.5 pts what is hematopoiesis? ○ production of red blood ce…
E. production of white blood cells, red blood cells and platelets. ### Question 11
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how did the development of anonymous markers, such as short tandem repe…
A. Anonymous markers are genetic markers that do not cause a detectable phenotype, but can be detected by molecular techniques. The markers correspond to specific and unique chrom…
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question 7 2.5 pts lymph moves in two directions. true false question 8…
False ### Question 8
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which of the following animals is a genetic male? multiple choice bird …
Grasshopper - XO
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question 5 2.5 pts lysozyme is found in ______________ and ____________…
C. tears and saliva ### Question 6
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in humans, if nondisjunction led to an individual with a genotype of xo…
be female because each cell lacks a Y chromosome.
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question 3 2.5 pts which line of defense results in inflammation and ph…
B. second line ### Question 4
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which line of defense blocks the invasion of microbes into the body? fi…
A. first line ### Question 2
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a test cross can be used to do all of the following except multiple cho…
identify the chromosome on which a gene is located.
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in morgans experiments, the white eye allele in drosophila was shown to…
located on the X chromosome.
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of the 23 pairs of human chromosomes, 22 pairs are homologous and are f…
autosomes
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achondroplasia is caused by an autosomal dominant mutation in the fibro…
1/4
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a punnett square is generally used to multiple choice predict the genot…
A. predict the genotypic ratio among the offspring.
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a person who has lost a large amount of blood but is still alive is fou…
O (assuming the option labeled "O" corresponds to blood type O)
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abo blood group determination is an example of multiple choice multiple…
multiple alleles.
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prisha knows her blood type is a, but sebastian does not know his blood…
either B or O.
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an extensive study was conducted on identical twins who were separated …
environment alters phenotype.
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in humans, the sickle-cell trait is caused by a single mutant allele, b…
1/16
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a large plot of land is being graded to flatten its large hills for a s…
D. Create a plan to collect data on the changes in the land surrounding the solar farm
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each b cell can react to many different types of antigens. true or fals…
False
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different phenotypes produced for the same genotype due to environmenta…
phenotypic plasticity
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sample response: the united states is providing millions of dollars in …
- I included details to support my claims. - I discussed humanitarian aid and cooperation with allies. - I discussed the president's request for international support.
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13. who will males always inherit their x chromosome from? 14. who will…
13. Mother 14. Daughters 15. Males have one \(X\) chromosome; no dominant allele to mask recessive. Females have two \(X\) chromosomes; dominant can mask recessive. 16. When homoz…
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a male fruit fly has the genotype ppyyrrtt. in terms of these 4 allele …
8
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a male fruit fly has the genotype ppnnvvtt. in terms of these 4 allele …
8 (assuming the third option is "8")
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the first detailed and quantitative studies on inheritance were carried…
Mendel
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if an individual allele has more than one effect on the phenotype, this…
pleiotropy
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in modern terminology, mendels heredity \factors\ are called multiple c…
genes.
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the observable outward manifestation of the genes of an individual is r…
phenotype.
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during his experiments with pea plants, mendel referred to the trait th…
dominant.
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a diploid individual carrying two identical alleles at a given gene loc…
B. homozygous.
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9. if you dont have a lot of work experience to list on your résumé, wh…
9. A. Highlight your education and any significant accomplishments, such as awards or recognition like honor roll or state or national recognition, and if you have a GPA of 3.5 or…
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lesson 8 biology reading and finding facts. louis braille week 2 ela im…
1. B. France 2. B. three 3. A. his fingers 4. D. what he read 5. B. soldiers
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works like her 1894 the story of an hour make kate chopin a forerunner …
modern feminism
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which types of external resources receive contracts to perform work or …
Vendors
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from the videos including in the desert tower: an ecosystem simulation …
B. Rodents, E. Leporids
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7. what is the major abiotic factor that plants have to adapt to for ea…
B. The amount of water available ### Question 8
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soilfrost 4. which group of organisms best defines what other organisms…
C. Producers ### Question 5
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1. which of these describes the distance north or south of the equator?…
B. Latitude ### Question 2
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which of these visualizing strategies would not be the most appropriate…
C. visualizing to draw conclusions
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which of the following does not contribute to genetic variation? select…
d. DNA reorganization during interkinesis.
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part a write the letter of the correct answer in the blank. ____ 1. a p…
1. B 2. A 3. C 4. D 5. B 6. D 7. A 8. E 9. B 10. C
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activity: onion cell division lab student instructions objective: obser…
Total cells: 400 Prophase %: \( 3.75\% \) Metaphase %: \( 2.5\% \) Anaphase %: \( 1\% \) Telophase %: \( 1.75\% \) (Note: The handwritten percentages in the table have calculation…
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directions match each term with its description. write the correct lett…
1. I 2. B 3. G 4. E 5. J 6. H 7. D 8. C 9. A 10. F
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you are conducting a genetic screen using caenorhabditis elegans embryo…
the centromeres do not move toward the poles.
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during what stages of the cell cycle are sister chromatids bound togeth…
S, G₂, prophase, metaphase
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you are studying cell cycle progression in an early frog embryo. if you…
G₂
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during this stage of mitosis, the nuclear envelope begins to break down…
Prophase
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discussion: the amount of time that onion cells spend in each phase of …
To calculate the degrees for each phase, use \( \text{Degrees} = (\text{Percentage of cells in phase}) \times 360 \). Substitute the observed percentage (as a decimal) for each ph…
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a homologous chromosome pair is best described as: select one: a. two c…
a. Two chromosomes that carry the same genes in the same positions, but may carry different alleles
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the progress of the eukaryotic cell cycle is regulated primarily by wha…
Cyclins
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if you were to compare the dna (genetic material) in a cell from the le…
c. The genes in both cells would be the same. All of the alleles in the sperm would be present in the leg cell; but not all of the alleles in the leg cell would be present in the …
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9. what color did the industrial revolution cause the moths to turn?
Black (or dark-colored)
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in the image below, what is the value of n in the cell on the left? pro…
a. 2
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if a chromosome contains a mutation such that it cannot bind to the kin…
That chromosome would not be able to bind to the mitotic spindle.
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the stage of the cell cycle during which the cytoplasm divides to form …
Cytokinesis
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what happens during anaphase b? multiple choice kinetochores are pulled…
The spindle poles move apart.
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a parent cell has 5 homologous pairs of chromosomes. during meiosis i a…
b. 6,6,4,4
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what time point represents g₂? chart showing mpf activity (brown) and c…
3
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for meiosis, dna replication occurs select one: a. during prophase i an…
d. during interphase preceding meiosis I.
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this cell is in anaphase i of meiosis. how many chromosomes will be in …
a. 3 chromosomes