Biologie
Zellbiologie, Genetik, Ökologie und Grundlagen der Lebenswissenschaften.
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question 8 1 pts as a muscle contracts, which of the following things h…
The Z disks move closer together.
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question 6 1 pts muscle contraction is caused by sarcomeres moving alon…
myosin filaments sliding along actin filaments.
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babies may receive an injection of vitamin k at birth. which of the fol…
Vitamin K is required to prevent bleeding, and babies are born with low levels of this vitamin.
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question 4 the lower region of the small intestine is structured to cre…
absorb the chemical building blocks that are produced by digestion.
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the neuronal tissue of the brain is very sensitive, so it needs a safe,…
Constant concentrations of ions are necessary for the generation and propagation of action potentials (electrical signals in neurons). Amino acids are important for neurotransmitt…
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what body part were the bacteria not using because they were constantly…
flagella (tail)
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how the copyright claims board can lighten the federal court docket by …
The Copyright Claims Board is a helpful alternative to the federal courts.
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question 2 (1 point) the substance that allows for the current to be ca…
d) gel buffer
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practice with probability in rabbits, the gene for coat color (c) is do…
\(\frac{1}{2}\)
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1. multiple choice: which detail best illustrates the purpose of resear…
D. "testing the truth of what appears obvious is kind of what science is all about" (Paragraph 3)
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match the following molecular biology tool to the appropriate example. …
1. Restriction Enzyme - EcoRI which cuts at the GAATTC/CTTAAG recognition site. 2. Plasmid DNA - pUC19 found in E. coli. 3. Molecular weight marker - Sample with fragments of spec…
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practice with probability in fruit flies, the gene for body color (b) i…
\(\frac{1}{4}\)
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practice with probability in corn plants, the gene for yellow kernel co…
\(\frac{1}{16}\)
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practice with probability in plants, the gene for red flowers (r) is do…
1
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practice with probability in pea plants, the gene for yellow seed color…
\(\frac{1}{4}\)
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the united states of america a lasting experiment the united states, of…
Enlightenment ideals
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question 1 (1 point) what is gel electrophoresis? ○ a) a technique in w…
a) A technique in which DNA samples are cut by restriction enzymes, and the resulting fragments are separated via electrophoresis creating a pattern of bands.
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the united states of america from the articles to the constitution in t…
The government was too weak under the Articles.
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the united states of america a lasting experiment the united states, of…
by allowing for amendments
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question 2 (1 point) listen a process of introducing specific genes fro…
C. recombinant DNA technology
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the united states of america the experiment that endured the united sta…
They wanted to improve the government and make it last.
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the united states of america from the articles to the constitution in t…
the states themselves
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why do organisms need both small \amounts\ of energy like atp and large…
Organisms need ATP for immediate energy use in cellular reactions and glucose as a long - term energy source to continuously produce ATP.
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question 3 (1 point) from reviewing figure 10.1 on page 246, a circular…
A. plasmid
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what is dna fingerprinting? a) a technique in which dna samples are cut…
A. A technique in which DNA samples are cut by restriction enzymes, and the resulting fragments are separated via electrophoresis creating a pattern of bands.
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question 5 (1 point) which of the following is not a transgenic organis…
B. plants with the gene for chlorophyll production removed.
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3. what is a key advantage of crispr technology compared to older trans…
- **Question 3**: C. It can make precise edits to an organism's existing genome, often without adding foreign DNA. - **Question 4**: B. The control large corporations have over pa…
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reading: the core of agricultural biotechnology agricultural biotechnol…
1. B. Genetic engineering allows for the transfer of genes between unrelated species, while traditional breeding is limited to crossing similar species. 2. C. It causes the corn t…
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10. using the trait of \free earlobes\ (e) and \attached earlobes\ (e),…
The probability of the child having attached earlobes is \(50\%\)
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question 24 which of the following guatemalan presidents was associated…
Juan José Arévalo
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genetics assessment name 9. using this punnett square above, answer the…
a. Father: Heterozygous (\(Aa\)), Mother: Heterozygous (\(Aa\)) b. \(25\%\) c. \(25\%\) d. \(50\%\) e. \(75\%\)
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question 5 (1 point) enzymes that function to cut dna molecules at spec…
A. restriction enzymes
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question 5 touch receptor information is received by the: a visual cort…
B. primary sensory cortex
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8. the represents the genetic makeup of an organism, while the represen…
genotype; phenotype
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question 4 (1 point) listen what is pcr or polymerase chain reaction? a…
C. The technique of quickly making copies of DNA using enzymes and a cyclic fluctuation in temperature.
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why is atp compared to arechargeable battery in the reading?
ATP is compared to a "rechargeable battery" as it can cycle between ATP (energy - rich, like a charged battery) and ADP (energy - poor, like a discharged battery) by adding or los…
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question 3 (1 point) which of the following is not a transgenic organis…
A. plants with the gene for chlorophyll production removed
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6. genetic variation occurs in what type of reproduction? a. asexual b.…
- **Question 6**: B. Sexual - **Question 7**: Eye color, hair color, blood type (Other valid examples could also be used such as freckles, attached or detached earlobes, etc.)
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question 2 (1 point) what is dna fingerprinting? ○ a) a process in whic…
A. A process in which the size and order of DNA segments is determined.
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question 1 (1 point) what is genomic mapping? a) a process used to sepa…
a) A process used to separate fragments based on charge and size.
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2. chromosomes carry ____________ which express specific a. genes b. in…
2. D. All of the above 3. A. Allele 4. A. Homozygous dominant 5. B. Fractions, C. Percentages
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1. genetics is the study of a. body systems b. cell division c. heredit…
C. Heredity
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glucose & atp what is the main difference between the roles of glucose …
Glucose is an energy - storage molecule, while ATP is the immediate energy currency of the cell.
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in the cns, clusters of gray matter containing cell bodies are called: …
D. nuclei
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3. phylogeny is (a) the number of evolutionarily related species in an …
B. the branching pattern of evolutionary relationships.
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identify the greater number in each pair of numbers. justify each reaso…
| Fun Facts | Figures in Standard Form | Figures in Scientific Notation | |--|--|--| | Number of cells in a human body | \(1200000000000\) | \(1.2\times10^{12}\) | | Diameter of a…
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term definition picture or example rotation the spinning of an object a…
- Rotation: The spinning of an object around its own axis. Example: Earth's rotation causing day and night. - Revolution: The movement of an object around another object. Example:…
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earth, sun, & moon vocabulary term definition picture or example rotati…
Rotation: The spinning of an object around its own axis. Example: Earth's rotation causes day and night. Revolution: The movement of an object around another object. Example: Eart…
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question 8 buyers will opt out of markets in which there are only forei…
- Question 8: there is inadequate information about sellers and their products. - Question 9: those who buy insurance to take less precaution in avoiding the insured risk.
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question 6 (consider this) the principle that private negotiation can r…
true # Question 7
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question 4 both ____________ and ____________ produce digestive enzymes…
pancreas and small intestine
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if there were no tendons in your axial skeleton, you would not be able …
nod your head, speak, chew your food
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which metabolic pathway is not reversible? o a. the step from pyruvate …
a. The step from pyruvate to acetyl CoA.
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in which part of the cell is lipid synthesized? a. chromosome b. mitoch…
d. Smooth endoplasmic reticulum
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weight to body weight shrew 6g 4.6% human 80kg 13% elephant 6,600kg 24%…
The skeletal portion of body weight increases with larger animals.
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cells from the ______ release atrial natriuretic hormone that causes in…
atria
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question 3 1 pts both ____________ and ____________ produce digestive e…
C. pancreas and stomach
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chemical signals that act between individuals of the same species are c…
pheromones
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which of the following series correctly describes the organization of m…
sarcomeres to myofibrils to muscle fibers
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chemical signals that affect the behavior of other cells are called____…
hormones
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the endocrine system helps regulate digestion by promoting the presence…
nutrients glucose, pancreas ADH, aldosterone calcium, calcitonin epinephrine, cortisol
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place the following layers of skin in order from the most internal to t…
hypodermis, dermis, epidermis
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the thymus gland helps in the development and maturation of thymus - de…
T - lymphocytes
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which of the following statements about muscle contractions are true? t…
- Binding of myosin to actin is reversible. - They occur at the unit of the sarcomere. - They rely on the sliding of actin and myosin filaments past one another. - Actin and myosi…
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the __________ in the nervous system stimulates the adrenal medulla to …
sympathetic nervous system
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which of the following nutrients are absorbed by the small intestine? c…
fatty acids, carbohydrates, proteins
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muscles contract when the head of a(n) protein filament binds to an act…
1. myosin 2. actin 3. slide past 4. Z - discs 5. sarcomere
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many vertebrate animals have specialized structures in their skin. croc…
epidermis
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what is one characteristic of lakes and ponds that is the same for both?
Both are bodies of still (standing) freshwater (or both are lentic ecosystems).
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6. which aquatic ecosystem has a mix of fresh water and saltwater?
Estuary
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8. name two things that can cause a healthy ecosystem to become unhealt…
Pollution and deforestation.
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the mysterious glow of the firefly fireflies (also called lightning bug…
B. a substance called luciferin
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the mysterious glow of the firefly fireflies (also called lightning bug…
A. protection from predators
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7the mysterious glow of the fireflyfireflies (also called lightning bug…
A. because of
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the scientific revolution in particular had a large influence on the id…
Isaac Newton - If humans can understand the movement of planets in space, then they can develop theories to better understand other parts of the world, too. Francis Bacon - If hum…
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match each tissue to the associated human body system(s). myosin+ carti…
- Myosin: muscular - Cartilage: skeletal - Ligaments: skeletal - Tendons: muscular, skeletal
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use the information in the timeline to complete the text. should use ne…
1. have positive qualities 2. religious groups 3. should use new inventions
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match the muscle element with its role in contraction. z disc* sarcomer…
- Z - disc: provides anchoring for one of the sliding filaments. - Sarcomere: basic unit of contraction. - Myosin: contains protein heads that bind reversibly to a complementary p…
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the screen on which viewers see images—transformed from crts to flat an…
B. transformation
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match each function with the location of its organ, gland, or structure…
- Salivary glands: secretes saliva - Liver: makes bile - Gallbladder: stores and releases bile - Stomach: produces acids and protein - digesting enzymes - Pancreas: secretes diges…
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match each identified muscle or organ to whether it engages in voluntar…
- rectus abdominis (front of abdomen): voluntary - heart: involuntary - biceps (upper arm): voluntary - uterus: involuntary - stomach: involuntary
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in a joint, two moving parts rub against each other, which can erode bo…
synovial sacs, cartilage
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based on the information in the timeline, what conclusion can you draw …
A. Enlightenment Ideas were sometimes used to support war and violence.
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1. list 5 early warning signs that someone may be having a problem with…
1. - Changes in sleep patterns - Changes in appetite - Withdrawal from social activities - Irritability or mood swings - Difficulty concentrating 2. - Biological factors (e.g., ge…
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which of the following would be a healthy way to manage stress? eating …
For the first question: Exercising. For the second question: All the above.
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because steroid hormones are ____, they diffuse across the plasma membr…
lipid - soluble
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which part of the grain will eventually sprout to form a new plant? a e…
- Question 7: D. germ - Question 8: A. bran - Question 9: C. all responses are correct - Question 10: C. it is a whole dried corn kernel that has the hull and germ removed
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question tanisha has a cell phone plan that charges $25 per month and i…
Total cost when over by 23 minutes: \(71\) Total cost when over by \(x\) minutes: \(25 + 2x\)
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5) choose the best answer. causes of heart disease include ____, which …
cholesterol
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which of the following statements best explains why these carrier molec…
C. The energy derived from the ETC creates a difference in the concentration of protons on either side of the membrane.
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\im sure theres a rational explanation for his absence. no grown man wo…
- Synonym for "rational": B. logical - Antonym for "haggard": C. relaxed
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he remembers his grandmothers last words were, \im sorry we didnt get t…
- Tone question: d. somber and melancholy - Synonym of "rational": b. logical - Antonym of "haggard": c. relaxed
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10 which of these describes a likely result when a species would form i…
10. A. There are not enough members of the species born with a trait necessary to survive in the new environment. 11. B. A comparison of similar bones in the legs of a human, a do…
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unit 1 review continued 8 darwins theory of natural selection consists …
D. Over time, the finches that were born with beaks better suited to the available food supply in their habitats survived and reproduced.
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alexis thought a cellphone would cost $65. she went to the store and fo…
\(17.7\%\) (the option corresponding to \(17.7\%\) is the correct one)
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question 10 (mandatory) (3 points) how does aerobic exercise help preve…
It makes your heart beat faster to supply more oxygen, which makes the heart stronger and enables it to pump blood more efficiently.
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multiple - choice question what does the gallbladder do? stores enzymes…
Stores bile.
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read the body paragraph from a students informative essay on george was…
The war challenged Washington's skills as a leader.
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question 9 (mandatory) (3 points) listen what is cardiorespiratory endu…
The ability of your heart and lungs to work during prolonged exercise.
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read the body paragraph from a students informative essay on george was…
Washington used a smart strategy to win battles and keep his soldiers safe.