Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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rna: ribonucleic acid: how dna communicates its message. • rna is the g…
1. ribose 2. phosphate 3. bases 4. Uracil 5. single 6. transcription 7. RNA polymerase 8. phosphodiester 9. complementary copy 10. re - zips 11. cytoplasm 12. nucleoli
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match each type of molecule with the description of its function in the…
- Phospholipids: A family of molecules that provide a barrier between the inside and outside of the cell so that the interior environment of a cell can be regulated. - Peripheral …
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③ messenger rna (mrna) - carries the contained in the sequence of bases…
genetic information
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which side is the extracellular side of the cell membrane illustrated b…
The top is the extracellular side because it has glycans attached, which act as signals and cellular "street addresses".
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bengal tigers live mostly in india. they are an endangered species that…
Bengal tigers are in danger of poaching, so in India sanctuaries have been made to protect them.
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which statements correctly explain why different molecules cross the me…
- Nonpolar molecules pass more quickly because they can interact with the hydrophobic tails of the membrane lipids. - Both the size and polarity of a molecule influence the rate a…
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this diagram compares the relative rates at which various substances cr…
Indole has fewer polar covalent bonds than tryptophan. Tryptophan is a larger molecule than indole.
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whales are intelligent introduction draft which background information …
Whales have been shown to be capable of problem solving, communication, and the use of tools.
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one reason the skeletal system is important is because ____________. a.…
B. the skeletal system creates the connective tissue and tendons that allow the body to move
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you are researching different types of dinosaurs. which would be the be…
a book written by a scientist who studies dinosaurs
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3. what holds the chromatids together? 4. when do the sister chromatids…
6. Telophase 7. Equational division
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a mother sprints across the yard to grab her small child before he ente…
B. type II B fast - twitch muscle fibers that respond quickly and provide her with speed and strength
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3. what holds the chromatids together? 4. when do the sister chromatids…
| Statement | Interphase | Mitosis | |--|--|--| | Nuclear division occurs | | √ | | Chromosomes are finishing moving into separate daughter cells | | √ | | Normal function occurs …
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the skeletal system serves all of the following functions except: a. bo…
D. The skeletal system aids in the production of hormones that signal muscle and hair growth.
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which statement best describes the factors that affect muscular enduran…
A. size of the muscle cells, ability to store fuel, and blood supply to the muscles
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susan and laura are having a disagreement over who has more muscular st…
1. B. Laura because her muscles can produce more force for a single event. 2. A. fewer repetitions with heavier weights would build muscular strength, while less weight and more r…
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fish can be very pretty pets, but they need a lot more work than you mi…
Fish need a specific water temperature.
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bengal tigers live mostly in india. they are an endangered species that…
Bengal tigers are in danger of poaching, so in India sanctuaries have been made to protect them.
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value: 4 taken from the book of kells, what type of art is this an exce…
C. Manalia
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the american revolution not only secured independence, but also paved t…
In conclusion
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complete each sentence with a spelling word from the box. 13. the was s…
13. hinge 14. vacation 15. culture 16. genius 17. initial 18. lotion 19. challenge 20. college 21. vacation 22. challenge 23. genius 24. college 25. challenge
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several studies produced mixed results in the early 2000s amid debates …
Peer review dismisses premature conclusions, ensuring scrutiny supported by scientific consensus on cell phone radiation’s potential harm.
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which muscle type is found in the walls of internal organs? skeletal ca…
smooth/visceral
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which muscle type is connected to the skeleton and moves bones? o skele…
skeletal
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which of the following is not a function of the muscular system? makes …
Produces sweat during exercise
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what are the primary functions of carbohydrates? supplies organisms wit…
Energy
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read this press release about the results of a two - year study by colo…
Fires behave differently, and it is hard to create the same fire experiment twice.
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in most neurons, action potentials occur in the axon. true or false tru…
True
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the sodium - potassium ($na^{+}-k^{+}$) pump transports both sodium and…
up, active transport
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in an action potential, which event directly follows repolarization? mu…
Hyperpolarization of the membrane
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proteoglycans are composed of multiple choice carbohydrates and fats nu…
carbohydrates and proteins
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a drastic conformational change in a protein in response to extreme hea…
B. denaturation
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during muscle contraction, binding sites for myosin are uncovered by th…
tropomyosin
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a bundle of muscle fibers is known as a__________. multiple choice moto…
fascicle
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which of the following marks the boundaries of a sarcomere? multiple ch…
Z discs
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the process of engaging more motor units to increase the strength of a …
recruitment
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to stimulate muscle contraction, acetylcholine is released from the ___…
synaptic vesicles
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which of the following contains overlapping thick and thin filaments? m…
A. A band
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as you are lifting a box, someone places extra weight on top of it. for…
recruit more muscle fibers
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which of the following is predominately made up of myosin? multiple cho…
The thick filament
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define an international network of loosely affiliated terrorist groups …
Al - Qaeda
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which of the following branches of a spinal nerve has the cell bodies o…
Posterior (dorsal) root
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savannah augusta louisville milledgeville atlanta what would be the bes…
D. Capitals of Georgia
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inhibitory postsynaptic potentials (ipsps) are associated with which of…
Hyperpolarization of the cell membrane
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what is the most common inhibitory neurotransmitter in the brain? multi…
γ-Aminobutyric acid (GABA)
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which of these does not contribute to the cessation of the signal in a …
Synaptic vesicles secrete neurotransmitter by exocytosis.
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a biologist working to understand and combat the evolution of viruses a…
epidemiology
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place the following events in synaptic transmission at a cholinergic sy…
D, B, C, E, A
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in the field of ecology, which of the following activities would most l…
study the relationships between organisms and their environment
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which cells form myelin sheaths in the spinal cord? multiple choice sch…
Oligodendrocytes
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heb 1:33 the son is the radiance of gods glory and the exact representa…
These passages support Matthew's writing about Jesus' person (divine nature, as part of the Godhead) and purpose (saving through sin - purification, being the source of eternal li…
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compare and contrast the cell parts found in the following categories. …
- Plant Cells Only: Chloroplasts, cell wall, large central vacuole. - Both Plants and Animals: Nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, ribosomes, cell membr…
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theories vs. laws you might think science works like laws, theories hav…
A theory can never become a law.
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identify the part of the cell that corresponds to each function describ…
1. Nucleus 2. Nuclear membrane (nuclear envelope) 3. Ribosomes 4. Nucleolus 5. Endoplasmic reticulum (ER) 6. Golgi apparatus 7. Vacuole 8. Lysosome 9. Centrosome 10. Mitochondrion…
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experiments variables in all experiments, it is important that everythi…
everything except the independent variable
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steps of the scientific method hypothesis a crucial step in the scienti…
If an owl is fed mice only, then it will grow faster.
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a medical technician uses an ultrasound machine to scan a patients hear…
The image will display sharper details of the heart but with less depth.
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what is the primary site on a neuron for receiving signals from other n…
The dendrites
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inevitable i used to always sit near the front of the classroom. straig…
C. Balancing a sense of identity with feeling judged by others
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by studying seismic waves, meteorites, and earths own internal heat, sc…
mantle
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comparing photosynthesis and cellular respiration drag and drop the cor…
- Top left box: Photosynthesis - Top right box: Chloroplasts - Middle left boxes (from left to right): Carbon dioxide, Water - Middle right boxes (from left to right): Glucose, Ox…
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relate the basic cell types by filling in the missing terms. the cell i…
Eukaryotic; prokaryotic; nucleus; genetic; Organelles; cytoplasm; a nucleus; within
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compare and contrast eukaryotic and prokaryotic cells by putting the ph…
- Eukaryotic cells: have a nucleus, have membrane - bound organelles, multicellular organisms - Both: have a plasma membrane - Prokaryotic cells: bacteria, do not have membrane - …
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photosynthesis • photosynthesis - ○ is a process that captures energy f…
sunlight; sugars
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an allele that produces its characteristic phenotype only when its pair…
b. recessive allele
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if a pp plant is crossed with another pp plant, what is (are) the expec…
B. \(25\%\ PP\), \(50\%\ Pp\), \(25\%\ pp\)
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14. preparing your samples. normally your dna agarose samples include: …
- Pre - lab Question - 19: \(4\ \mu l\) - Pre - lab Question - 20: \(15\ \mu l\) - Pre - lab Question - 21: Volume of \(6X\) loading dye is \(2.5\ \mu l\), volume of water is \(8.…
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16. identify the organelle that produces energy
Mitochondria
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14. preparing your samples. normally your dna agarose samples include: …
- For the volume of DNA solution: \(4\space\mu l\) - For the total volume (assuming \(15\space\mu l\)): \(15\space\mu l\) - For the volume of 6X loading dye (assuming total volume…
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15. what is the relationship between breathing rate and cellular respir…
Breathing rate and cellular respiration rate are directly proportional. An increase in cellular respiration rate (due to higher energy demands, e.g., during physical activity) lea…
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directions: read and solve. 1. greg puts money in his daughters piggy b…
Kevin uses \(76\frac{1}{8}\) cups of rice a week.
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14. in terms of cellular respiration, why do you feel tired if you dont…
You feel tired because without eating, there is less glucose for cellular respiration to produce ATP (energy - currency of cells). With low ATP, cells (including muscle and nerve …
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question 5 of 5 who is the most famous person youve ever met? an actor?…
B. Jessica takes around three celebrity photos a week.
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you are researching endangered species. which would be the best source …
a news article about animals that are endangered
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what term is used to describe genetically identical offspring resulting…
clones
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what term refers to the complete set of genes in an organism? homologou…
genome
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what allows organisms to evolve? cancer cells cloning asexual reproduct…
sexual reproduction
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what role does fertilization play in restoring the diploid number of ch…
It combines two haploid cells to form a diploid zygote.
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what genotypes are observed when you cross a dd parent with another dd …
A. 25% DD, 50% Dd, 25% dd
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what is impossible without genetic diversity? evolution mutations varie…
evolution
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question 4 (mandatory) (2 points) which species are the most vulnerable…
Plants # Question 5
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when two heterozygous parents are crossed (aa x aa), what percent of th…
C. 75%
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crossing a bb parent with a bb parent results in a b or b offspring. b …
d. all Bb offspring.
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if you cross two heterozygous parents (aa x aa), what percent of offspr…
B. 50%
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a square is a chart that allows you to determine the probability of dif…
Punnett
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question 1 of 5 south of the equator, in the midst of the brazilian rai…
C. With so much going on in Rio, there is no way a trip there will disappoint.
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which of the following is true about punnett squares? a they can show t…
A. They can show the possible genetic combinations in the offspring.
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question 1 (mandatory) (2 points) a lack of xylem and phloem separate v…
C. Nonvascular plants # Question 2
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raphael wants to know about different types of sea life. which keyword …
sea life + animals + plants
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for each of the situations listed, identify which of the three principl…
a. Integrity b. Objectivity and independence c. Due care d. Integrity
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questions 17 through 19 refer to the following. question refers to the …
A. Conflicts over how the Constitution should be implemented and interpreted
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in a dihybrid cross involving pea plants heterozygous for two traits (r…
C. \(4/16\)
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in a dihybrid cross involving pea plants heterozygous for two traits (r…
A. \(12/16\)
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in a dihybrid cross involving pea plants heterozygous for two traits (r…
A. \(9/16\)
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in a dihybrid cross involving pea plants heterozygous for two traits $(…
\(d\). \(1/16\)
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when two heterozygous parents are crossed in a dihybrid cross, what fra…
C. \(1/16\)
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if you cross a purebred pea plant with green seeds and a purebred pea p…
C. 0%
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on what type of organism did mendel conduct his experiments? enter the …
Pea plants.
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according to the law of , the inheritance of one trait will not affect …
Independent Assortment
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what type of cross did mendel use to determine the probability of offsp…
B. Dihybrid cross