Biologie
Zellbiologie, Genetik, Ökologie und Grundlagen der Lebenswissenschaften.
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many types of cancer cells secrete significant levels of lactate. do yo…
No, because lactate is being produced, the cell is not likely making use of the pathways related to beta - oxidation of fatty acids.
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question 16 2 pts which leisure theory, developed by john neulinger, ex…
States of Mind
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phosphofructokinase is regulated by a number of factors, including high…
If ATP levels are high, it is important to directly inhibit the reaction that commits the substrate to glycolysis to allow the substrate to be available for other reactions, since…
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what would be the atp yield for a molecule that is catabolized to form …
10 ATP
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what happens to the oxygen that is used in cellular respiration? multip…
It is reduced to form water
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what is common to all of the oxidation reactions in the citric acid cyc…
They are all characterized by a loss of electrons from an organic molecule coupled to the reduction of an electron acceptor.
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7 arsenic poisoning can lead to organ failure and death. though arsenic…
B. The mitochondrial matrix
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what stage of cellular respiration can occur in human cells with or wit…
B. Glycolysis
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what is an end - product of glycolysis? multiple choice pyruvate adp ox…
A. Pyruvate
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in glycolysis, a major portion of the energy remains in the final produ…
C. pyruvate
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organisms that can manufacture their own chemical energy are called ___…
A. autotrophs
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to form nadh from nad+, two electrons and a proton are removed from an …
B. Dehydrogenation
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match the muscle with its correct function instructions triceps brachii…
triceps brachii - extends forearm biceps brachii - flexes forearm & supinates forearm brachialis - flexes forearm
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multiple - choice question when is it \safe\ for a cacti to open the st…
- during the night
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what is the main product or purpose of photosynthesis? to make carbon d…
# Breve explicación: La fotosíntesis es un proceso en el cual las plantas usan la luz solar, el dióxido de carbono y el agua para producir glucosa (azúcar), que es su fuente princ…
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multiple choice question the muscle that moves the forearm labeled a in…
biceps brachii
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multiple choice question what muscle is responsible for flexion and rot…
Rectus abdominis
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multiple - choice question the stoma are guard cells that can... stay c…
B. Open and close
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multiple choice question muscle fibers that utilize aerobic cellular re…
Intermediate - twitch fibers
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multiple select question select all that apply which of the following m…
External obliques, Internal obliques
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what cell type does number 2 indicate? central canal of spinal cord cil…
Ependymal cell
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what is the input for the light independent reactions (or calvin cycle)…
# Breve explicación: En el ciclo de Calvin (reacciones independientes de la luz), el dióxido de carbono es uno de los principales componentes de entrada. Este proceso tiene lugar …
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multiple choice question what muscle elevates the rib cage during the i…
B. External intercostal
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multiple choice question what muscle is a synergist to the internal and…
Transverse abdominis
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where do the light independent reactions (or the calvin cycle) take pla…
# Breve explicación: Las reacciones independientes de la luz, también conocidas como el Ciclo de Calvin, se llevan a cabo en el estroma de los cloroplastos. El estroma es el fluid…
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complete the sentence by filling in the phrase that means about the sam…
living environments
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what is the output of the light dependent reactions? glucose sunlight w…
# Breve explicación: Las reacciones dependientes de la luz en la fotosíntesis producen oxígeno como subproducto al descomponer agua. Además, generan ATP y NADPH que se utilizan en…
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what are the inputs (mark 2) of the light dependent reactions? water li…
# Breve explicación: Las reacciones dependientes de la luz en la fotosíntesis utilizan agua y luz. El agua es descompuesto y la luz proporciona la energía necesaria. El oxígeno es…
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what cell type does number 3 indicate?
Astrocyte
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multiple choice question muscle fibers that utilize aerobic cellular re…
B. slow - twitch fibers
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this figure depicts a typical nerve. what is indicated by number 2? 1 2…
Perineurium
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essay 1 point give a brief description (shape), purpose (what organ doe…
Shape: Roughly fist - shaped. Purpose: Filters blood, stores blood cells, participates in immune responses. Location: Left upper quadrant of the abdomen, below the diaphragm and b…
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where, in the chloroplast, do the light reactions of photosynthesis tak…
# Breve explicación: Las reacciones de luz de la fotosíntesis ocurren en las membranas de los tilacoides dentro del cloroplasto. El estroma es donde ocurren las reacciones del cic…
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what plant organelle does photosynthesis take place in? chloroplast mit…
# Breve explicación: La fotosíntesis es el proceso por el cual las plantas convierten la luz solar en energía química. Los cloroplastos son los orgánulos donde se encuentra la clo…
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what is the name of the pigment that absorbs sunlight? chloroplast chlo…
# Breve explicación: La clorofila es el pigmento que absorbe la luz solar y juega un papel crucial en la fotosíntesis. Los cloroplastos son los orgánulos celulares donde se encuen…
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which is the product of photosynthesis after a plant absorbs light? glu…
# Breve explicación: La fotosíntesis es el proceso por el cual las plantas usan la luz solar, el dióxido de carbono y el agua para producir glucosa (azúcar) y oxígeno. El dióxido …
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multiple choice question ____ is the stage of the new - product process…
C. Screening and evaluation
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sugar is food for plants, what is the type of sugar plants make? lactos…
# Breve explicación: Las plantas producen glucosa a través de la fotosíntesis. La lactosa es un azúcar presente en la leche y el sacarosa es un azúcar que se transporta por las pl…
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question 20 0.5 pts the evaluative criteria used by consumers in the de…
objective facts or subjective opinions about the alternatives.
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plants are extremely important because they produce sugars and are our …
True
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multiple choice question the use of open innovation can be useful in th…
D. Idea generation
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multiple - choice question what types of organisms do photosynthesis? p…
Plants, bacteria, and protists
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activity 1 anatomy of blood vessels arteries and veins have three tunic…
| Vessel Type | Arteries | Veins | |--|--|--| | Tunica Intima | Endothelium, basement membrane, and a relatively thick internal elastic lamina | Endothelium, basement membrane, an…
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6 multiple choice 4 points what structure does number 5 indicate? neuro…
Nucleus
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objective ert-1.a explain how the availability of resources influences …
When resources are abundant, predator - prey relationships may be less intense as there is more prey available for predators. Symbiotic relationships can be more stable with suffi…
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ert-1.a.1 in a predator - prey relationship, the predator is an organis…
It provides fundamental ecological concepts including predator - prey dynamics, symbiotic relationships, and competition with resource - partitioning strategies.
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multiple choice question muscle fibers that utilize aerobic cellular re…
A. slow - twitch fibers
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question 1 0.5 pts cultural differences are particularly important for:…
firms marketing internationally
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multiple select question select all that apply which of the following d…
C. explosive, D. anaerobic, E. light in color
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multiple select question select all that apply which of the following a…
A. ATP depletion B. Excess of calcium in the sarcoplasm D. Lack of ACh (acetylcholine) at neuromuscular junction E. Build up of lactic acid
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multiple choice question muscle fibers that utilize aerobic cellular re…
slow - twitch fibers
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multiple select question select all that apply which of the following c…
abundance of mitochondria abundance of myoglobin resistant to fatigue
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multiple choice question most of the atp needed for muscle contraction …
D. cellular respiration
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multiple choice question a motor unit is made up of: o multiple nerve f…
a nerve fiber and all of the muscle fibers it innervates
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fill in the blank question completed in a mitochondrion provides most o…
Aerobic respiration
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multiple choice question in smooth muscle fibers, the thick filaments d…
E. dense bodies
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fill in the blank question an anaerobic process by which glucose is bro…
lactic acid fermentation
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fill in the blank question the reddish - brown pigment that combines lo…
Myoglobin
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multiple choice question most of the atp needed for muscle contraction …
D. cellular respiration
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fill in the blank question smooth muscle fibers contain protein molecul…
myosin, actin
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5. a ffee mouse is bred to another ffee mouse. what is the probability …
0
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3. the table below describes 100 offspring of the same two parents. wha…
C. FfEe and FfEe
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multiple choice question fermentation occurs in the ______, and ______ …
A. sarcoplasm, does not
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2. in mice, black fur is dominant over white fur, and black eyes are do…
Two parent mice with black fur have offspring with white fur.
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multiple choice question muscle cells use atp for: o the release of cal…
O relaxation and contraction
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1. the diagram below shows a happy family of mice, with two parents and…
D. Offspring D ($ff EE$)
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multiple choice question what is the role of myoglobin during skeletal …
Stores oxygen for the muscles
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fill in the blank question after the muscle is activated by a motor neu…
T - tubules
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fill in the blank question completed in a mitochondrion provides most o…
Cellular respiration; Aerobic respiration
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multiple choice question the structure that contains binding sites for …
the myosin head
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multiple choice question cardiac muscle contraction is similar to contr…
O comes from outside the cell as well as the sarcoplasmic reticulum
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multiple choice question as tropomyosin shifts away from the myosin bin…
A. cross - bridge
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multiple select question select all that apply which of the following r…
- break the link between actin and myosin - energize myosin - active transport of $Ca^{++}$ back into the sarcoplasmic reticulum
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fill in the empty spaces to complete the square. then write the probabi…
| Phenotype | Fraction | % | |--|--|--| | Black fur, black eyes | $\frac{9}{16}$ | 56.25 | | Black fur, red eyes | $\frac{3}{16}$ | 18.75 | | White fur, black eyes | $\frac{3}{16}…
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multiple choice question the myosin structure labeled a is a myosin hea…
myosin head.
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click and drag on elements in order. place the following events of sarc…
1. motor neuron activates muscle fiber 2. signal travels down a T tubule 3. calcium is released from the sarcoplasmic reticulum 4. actin slides past myosin
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multiple select question select all that apply the myosin head contains…
A. ATP C. actin
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fill in the blank question when a muscle is relaxed, the protein that w…
tropomyosin
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fill in the blank question the temporary connection between actin and t…
cross - bridge
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multiple choice question once the acetylcholine binds to the receptors …
Ca²⁺
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multiple choice question calcium for muscle contraction is stored in th…
sarcomere
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multiple choice question calcium for muscle contraction is stored in th…
sarcomere: False mitochondria: False transverse tubule: False sarcoplasmic reticulum: True
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multiple choice question acetylcholine is stored in _______, found in t…
C. synaptic vesicles
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multiple choice question the binding site for myosin is found on: actin…
A. actin
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match the region of a sarcomere with its correct description instructio…
I band: contains only actin A band: contains actin and myosin H zone: contains only myosin
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fill in the blank question when ca²⁺ is released from the sarcoplasmic …
troponin
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2. in 1985, there were 285 cell phone subscribers in the small town of …
1991 ### 3.
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multiple choice question the ________ ________ is the region where the …
A. neuromuscular junction
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multiple choice question the myosin structure labeled a is a cross - br…
myosin head
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multiple choice question the neurotransmitter found at the neuromuscula…
C. Acetylcholine
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multiple choice question effectors such as skeletal muscles are stimula…
Motor neurons
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read the definitions. bio = life anthrop = human micro- = small meteoro…
B. biology
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1. model: to determine the probability of a trait combination such as b…
The probability of black fur is $\frac{3}{4}$ (assuming $F$ is the allele for black fur and no information about eye - color probability calculation as no eye - color genotypes ar…
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there is a 1/2 · 1/2 = 1/4 chance of getting two heads in a row. questi…
$\frac{3}{8}$
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multiple choice question bundles of myofilaments found in the sarcoplas…
C. myofibrils
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some chemicals, such as those mutagens. sometimes mutagens can also. fo…
Mutagens (such as some chemicals)
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multiple select question select all that apply thin filaments are made …
A. troponin B. actin D. tropomyosin
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multiple choice question identify the myosin structure labeled a myosin…
myosin head
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mutations may also occur in chromosomes (figure, right). these mutation…
Mutations can be spontaneous or caused by mutagens in the environment such as certain chemicals.
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name: e laila b sons of liberty: part 2 directions: write responses to …
Mutations can occur spontaneously and can be caused by mutagens in the environment such as certain chemicals.