True - Sarcomeres will achieve virtually no contraction if they begin at half their optimal length.
TRUE
Sarcomeres will achieve virtually no contraction if they begin at half their optimal length
For maximum hamstring contraction, begin with the knee fully extended
FALSE
The highest possible tension can be achieved if all possible crossbridges are formed prior to stimulation (A sarcomere is the basic contractile unit of muscle fiber)
A higher possible number of cross bridges means higher possible tension.
To maximize tension from a biceps brachii contraction, begin with the elbow bent at 90 degrees
To maximize contraction tension, begin with a 0 degree of overlapping thick and thin filaments
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how can u find the mass of an object that cannot be placed onto a triple beam balance
Answer:
The boldface numbers on this beam are grams and the tick marks between the boldface numbers indicate tenths of grams. To find the mass of the object on the pan, simple add the numbers from the three beams. As with a ruler, it is possible to read the front scale to the nearest half tick mark.
Evaluate the biodiversity of the two ecosystems present below.
Ecosystem A: 100 organisms are present, consisting of 25 different species. The species are evenly distributed.
Ecosystem B: 100 organisms are present, consisting of 10 different species. One of the species accounts for 80% of the organisms present.
Which ecosystem has the higher biodiversity?
Answer:
A
Explanation:
A more diversity by the amount of species and even distribution of said species.
2
Which of the following best describes the graph above?
A.
relation only
B.
both a relation and a function
C.
function only
D.
neither a relation nor a function
A relation between two sets is a group of ordered pairs that each include one item from both sets. If item x comes from the first set and item y comes from the second set
How can you recognize ordered pairs?One point's coordinates from the coordinate system are included in an ordered pair. A point's ordered pair of the form of is used to identify it (x, y). The x-coordinate of the first number is the same as the y-coordinate of the second.
What indicators exist that an ordered pair is a one to one?Applying the horizontal line test to the function's graph is a simple technique to see if it is a one-to-one function. To do this, doodle horizontal lines.
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Part C
How would you change your model to show what happens when the other cell receives the protein?
To illustrate what happens when the other cell receives the protein, we can modify the model by introducing the concept of protein binding and cellular uptake.
Currently, the model focuses on the production and secretion of the protein by one cell. Here's how we can incorporate the process of protein uptake by another cell:
Model update: Add a receptor on the surface of the recipient cell. This receptor is specific to the protein being secreted by the donor cell. The receptor allows for binding and recognition of the protein.
Protein binding: Show the protein produced by the donor cell interacting with the receptor on the recipient cell's surface. This interaction represents the specific recognition and binding of the protein to its corresponding receptor.
Cellular uptake: Depict the internalization of the protein-receptor complex into the recipient cell. This step involves the engulfment of the protein-receptor complex by the recipient cell's membrane and subsequent transport into the cell's interior via endocytosis.
Intracellular processes: Highlight the intracellular trafficking of the protein within the recipient cell, such as transport to specific organelles or involvement in cellular processes. This step represents the utilization or processing of the protein within the recipient cell.
By incorporating these modifications into the model, we can visually represent the transfer of the protein from the donor cell to the recipient cell and showcase the subsequent cellular uptake and intracellular processes that occur upon receiving the protein.
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What’s the correct answer answer asap for brainlist
Answer:
Its B. The canopy consists of very tall trees that block sunlight from lower layers.
Explanation:
I got it right on the quiz.
A biologist collected 208 fern and moss samples. There were 76 more moss than fern samples. How many fern samples did the biologist collect?
OA. 109 fern samples
OB. 142 fern samples
OC. 132 fern samples
OD. 66 fern samples
Which consequences can be caused by dumping trash into the ocean
Answer: lots of pollution
i don't really know how to explain it but it will definitely kill and destroy the earth and its population.
Why does a cell need a LOT of surface area compared to their volume?
Answer:
The surface area to volume ratio (SA:V) limits cell size because the bigger the cell gets, the less surface area it has for its size.
Explanation:
This is important if you are a cell that depends on diffusion through your cell wall to obtain oxygen, water, and food and get rid of carbon dioxide and waste materials.
How is carbon dioxide produced in a cement plant
Carbon dioxide is produced in a cement plant when limestone is decomposed.
Cement is produced using lime stone as raw material. The limestone is decomposed according to the reaction;
CaCO3(s) -----> CaO(s) + CO2(g)
The CaO is used to produce cement while CO2 is a waste gas that escapes.
Hence, carbon dioxide is produced in a cement plant limestone is decomposed.
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Someone please help me
Answer:
gravity
Explanation:
...
tion 5 of 50
An investigation is an example of
An investigation is an example of research.
What is research?Research is the process of gathering and analyzing information in order to answer a question or solve a problem. Investigations are a type of research that is typically conducted to gather evidence about a crime or other incident. Investigators may gather evidence through interviews, document reviews, and physical examinations. They may also use scientific techniques, such as DNA testing or fingerprint analysis.
The goal of an investigation is to gather enough evidence to determine what happened and who is responsible. This information can then be used to bring charges against the perpetrator or to take other necessary steps.
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What process is believed to be responsible for the formation of the Grand Canyon?
A. diverging tectonic plates
B. converging tectonic plates
C. caving in of the ground due to erosion.
D. erosion over a long period of time
Answer:
D. Erosion over a long period of time.
Answer:
The answer is d
Explanation:
I hope I help
Reconstruct the phylogeny that most simply and accurately accounts for the distribution of synapomorphies among ingroup species. Given matrices as small and simple as the above example, one can "build" the tree from the bottom up in a series of sketches, adding clades or branches representing groups with the fewest synapomorphies near the base of the tree and those with the most at the tips. Using the unlabeled phylogeny as a starting point, draw the stepwise construction of a fully resolved phylogeny to account for all of the synapomorphies, and include the synapomorphies that identify each clade (the first one, character 2, is included to get you started; this is shared by all members of the ingroup).
Complete question:
1). Determine the character states for the following six characters that are present in species OG, 5, 7, 15, 17, 18. Assign the character state found in the outgroup (OG) as a 0 and the alternative derived state a 1; use only two states per character. Example, stem width: 0 = thin, / = thick 1 (Characters and plant species image in the attached files)
2). Score each taxon using the 0 and 1 notation about and add to this matrix (Matrix in the attached files)
4). Reconstruct the phylogeny that most simply and accurately accounts for the distribution of synapomorphies among ingroup species. Given matrices as small and simple as the above example, one can build the tree from the bottom up in a series of sketches, adding clades or branches representing groups with the fewest synapomorphies near the base of the tree and those with the most at the tips. Using the unlabeled phylogeny as a starting point, draw the stepwise construction of a fully resolved phylogeny to account for all of the synapomorphies and include the synapomorphies that identify each clade (the first one, character 2, is included to get you started; this is shared by all members of the ingroup) (Tree in the attached files)
Answer:
Characters: Stem width: Thick-1 // Thin-0 Leaf edge (shape): Pointed-1 // Blunt-0 Flower base (shape): Narrow-0 // Wide-1 Flower orientation: Downward (Pendant)-1 // Upward (Vertical)-0 Petal color: Purple-1 // Yellow-0 Fruit shape (inset on card, on left): Round-0 // Elongated-1Complete Matrix in the attached filesOrder in the phylogeny reconstruction: OG --> 7 --> 5 --> 15 --> 17 and 18 (tree + evolutive changes in the attached files)Explanation:
NOTE: You will find the complete activity in the attached files.
The principle of maximum parsimony or maximum simplicity states that among all possible trees within a group of species, the most probable is the one that requires us to postulate the least number of evolutionary changes. So, to reconstruct a phylogeny we need to choose the tree that requires the less number of changes. To determine the character states for all the six characters, we assigned the number cero to all the characters expressed in the out-group. Thin steam, blunt leaf, narrow flower base, upward flower orientation, yellow petals, and rounded-seeds are all cero states. The other characters are 1.The above information of character state was used to fill in the matrix, specifying which character state belongs to each species according to their traits. The matrix was useful to reconstruct the phylogeny, to identify the autapomorphic trait, and to visualize all the clades.
What do a bacteria an a elephant have in common
Answer:
similar metabolism
Explanation:
Bc 8 science book page 105
________ slow down transpiration by _________ the stomata
answer options:
A: Guard cells; closing
B: Chloroplasts; closing
C: Guard cells; opening
D: Chloroplasts; opening
Answer:
A option
Explanation:
Guard cells closes their openings to prevent loss of water, hence, slowing down the process of transpiration.
Hope it helps.
Case 2. Ms. G was showering using a new pulsatile
shower head. With no warning, she experienced an epi-
sode of syncope while showering. She was subsequently
diagnosed with a carotid sinus syncope.
Carotid sinus syncope refers to a condition characterized by a sudden loss of consciousness or fainting (syncope) that occurs due to an abnormal response of the carotid sinus, a small structure located in the neck. The carotid sinus contains baroreceptors, which are sensory receptors that monitor blood pressure.
In the case of Ms. G, her episode of syncope while showering was likely triggered by the pulsatile shower head. The carotid sinus is sensitive to changes in pressure, and certain stimuli, such as pressure on the neck, can result in an overstimulation of the carotid sinus baroreceptors.
The pulsatile nature of the shower head may have caused an increased pressure or stimulation on Ms. G's carotid sinus during her shower. This excessive stimulation of the carotid sinus baroreceptors led to a reflex response that caused a sudden drop in heart rate and blood pressure, resulting in syncope.
Carotid sinus syncope is typically diagnosed based on the patient's history, clinical symptoms, and sometimes with additional tests such as carotid sinus massage or tilt table testing. Treatment options for carotid sinus syncope may include avoiding triggering factors, modifying lifestyle, and in some cases, medication or pacemaker implantation.
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need help with this practice quiz to get ready for my exam much help needed
On the pedigree, the square indicates that the individual is male and the circle indicates that the individual is female.
White shapes indicate that the individuals are not affected by a determined trait.
The shaded shapes indicate that the individuals are affected by the trait.
If you look at the pedigree, on the first generation on the left, and unaffected male and an affected female were crossed, the resulting offspring was an unaffected male.
Let's assume that the trait is autosomal recessive, the letter "A" is the dominant allele and the letter "a" is the recessive allele, you can represent this pedigree as follows:
The mother was affected by the trait but the child wasn't, since she only has two identical alleles to pass, it is most likely that the trait is recessive.
Also, the trait can be considered autosomal, if it was a sex-linked trait associated with the X-chromosome, and consider that males have only one X-chromosome inherited from their mother then the child should also express the trait.
If you look at the second and third generations, the crossing of two apparent unaffected individuals produced 6 offspring, two of which are affected by the trait one male and one female. This fact also suggests that the trait is recessive, both individuals in the second generation can be considered heterozygous. The trait is autosomal because the affected individuals in the third generation have different genders.
1. The Earth experiences days and nights due to the:
a. revolution around the sun.
b. tilt of Earth.
c. rotation on it's axis.
Why is melted ice cream an example of a physical change? A. Changing from solid to liquid has not kept the molecules and atoms intact, which means the matter has changed. B. Once ice cream changes from a solid to a liquid, the matter has changed cannot be returned to its solid form. C. Even though the form has changed from solid to liquid, the matter has not changed. D. The form has changed from solid to liquid, and the atoms from two kinds of matter have made a completely different substance.
List the angles in order from smallest to largest. Note image in not drawn to scale
Answer:
maybe cab If it's wrong I'm so sorry
For each structure below, select whether it is found in viruses, cells, or both.
nucleic acid
A.cells
B. viruses
D.both viruses and cells
ribosomes
A.cells
B. viruses
D.both viruses and cells
cell membra.
A.cells
B. viruses
D.both viruses and cells
ATP-generating machinery
A.cells
B. viruses
D.both viruses and cells
cell wall
A.cells
B. viruses
D.both viruses and cells
capsid
A.cells
B. viruses
D.both viruses and cells
spikes (viral adhesions)
A.cells
B. viruses
D.both viruses and cells
lipid envelope
A.cells
B. viruses
D.both viruses and cells
Answer:
D. HINDE KO MA GETSシ︎
Explanation:
シ︎❀シ︎❀シ︎❀シ︎❀シ︎❀シ︎❀シ︎
Give an example of an adaptive radiation. Provide evidence for the claim that the radiation originated with one or a few species, it was rapid, and the descendant groups occupy a wide array of ecological niches. Briefly explain why the radiation occurred
An example of adaptive radiation is the generation of different finch species in regard to specific environmental characteristics of the Galapagos islands. The radiation originated with one or a few species because it led to reproductive isolation barriers in order to produce individuals that are better adapted to certain ecological niches. In this case, radiation occurred as a response to the migration to each island.
What is the evolutionary process of adaptive radiation?The evolutionary process of adaptive radiation makes reference to the generation of new species by divergence from an ancestral species in order to fulfill certain ecological niches associated with specific environmental conditions.
Therefore, with this data, we can see that the evolutionary process of adaptive radiation may lead to divergence due to the emergence of reproductive isolation barriers and they emerge as a consequence of adaptation to the environment.
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An organism that creates its own food is called:
A) a producer
B)a consumer
C)a carnivore
D) a decomposer
Answer:
a
Explanation:
Answer:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients: autotrophs and heterotrophs. Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria.
Consider only the experiment you conducted with 500 mg. of lactose.
a. What is the independent variable?
b. What is the dependent variable?
Answer:
a. time (on the x axis)
b. the product formed - molecules/minute (on the y axis)
Explanation:
The independent variable is the one you control while carrying out the experiment, you can adjust for it as needed and how much ever needed. The dependent variable is the one which you cannot control or vary at you own will during the experiment, it is essentially the data you collect from running the experiment.
What are the stages of bee development (eggs,larvae,pupae)
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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Which of the following is evidence for evolution in action?
Mosquitoes becoming resistant to pesticides
Bacteria becoming resistant to antibiotics over time
The different domesticated breeds of dogs customized for our needs
All are evidence for evolution
The evidence for evolution in action is considered to be All are evidence for evolution. Hence, the last option is correct.
What is evolution?It is the process that includes the modification with respect to the inherited trait of an organism for adapting the environmental conditions.
Like for antibiotic resistance, it represents the bacteria.
Mosquitoes should become resistant to pesticides.
And, if there are distinct domesticated breeds of dogs so the same should be customized.
Hence, the last option is correct.
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Question 9 of 10
What should you expect to observe from a cross of two individuals that are
heterozygous for two characteristics? (Assume that at least 100 offspring are
produced.)
OA. The offspring will show only one combination of traits, and both
traits will be recessive.
OB. The offspring will show two different combinations of only the
dominant traits.
OC. The offspring will show eight different combinations of the
dominant and recessive traits.
OD. The offspring will show four different combinations of the
dominant and recessive traits.
The correct answer is OD. The offspring will show four different combinations of the dominant and recessive traits.
What happens when two individuals are heterozygous?When two individuals are heterozygous for two characteristics, it means that they carry one dominant allele and one recessive allele for each trait. During gamete formation, these alleles can segregate in different ways and combine in various combinations in the offspring.
Using a Punnett square to represent the possible gamete combinations, we can determine that there are four different combinations of dominant and recessive traits that can be observed in the offspring:
Offspring with both dominant traits (DD): 25% probabilityOffspring with one dominant trait and one recessive trait (Dd): 50% probabilityOffspring with one recessive trait and one dominant trait (dD): 50% probabilityOffspring with both recessive traits (dd): 25% probabilityTherefore, the correct answer is that the offspring will show four different combinations of the dominant and recessive traits (OD).
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The image shows two metamorphic rock samples which statement accurately describes these rocks both rocks are non-foliated neither rock has randomly arranged grains both rocks formed at earths surface neither rock formed through extreme heat or pressure
Answer:b
Explanation:
When people or countries fight
Mind that this is a crossword puzzle about water Scarcity
I do not understand the question it's asking