The number of engaged muscle fibers and the frequency of brain input to the muscle fibers determine how much tension is generated during a muscular contraction.
What is role of muscle fibers in muscle contraction?Muscle fibers' main function is to regulate the forces that travel through the body.
When shifting from a seated to a standing posture, the quadriceps and gluteus maximus shorten to assist the body resist gravity.
Similar activities can be used to generate force to move a resistance.
The nervous system alters both motor unit recruitment and rate coding to regulate muscular force over the majority of a muscle's operational range.
Therefore, muscle fibers properties affect the muscle's tension or force production.
Learn more about muscle fibers here:
https://brainly.com/question/28548243
#SPJ4
The end products of glycolysis are 2 net molecules of ATP, ______ and _______, and each of the _____ molecules has three carbons
The end products of glycolysis are 2 net molecules of ATP, 2 molecules of pyruvate, and each of the 2 molecules has three carbons.
Glycolysis is the metabolic pathway that converts glucose into pyruvate. It occurs in the cytoplasm of cells and consists of a series of reactions that result in the production of ATP and other metabolites. In the process of glycolysis, one molecule of glucose is broken down into two molecules of pyruvate, which each contain three carbons.
This process also produces two net molecules of ATP, which can be used by the cell for energy. In addition to ATP and pyruvate, glycolysis also produces two molecules of NADH, which are important for cellular respiration. Pyruvate can then enter the citric acid cycle or be converted to lactate or ethanol, depending on the cell's energy needs.
For more questions like Glucose click the link below:
https://brainly.com/question/2396657
#SPJ11
which method of diffusion does not require a carrier for nutrients to pass through the cell membrane along the concentration gradient?
The method of diffusion that does not require a carrier for nutrients to pass through the cell membrane along the concentration gradient is known as simple diffusion.
Simple diffusion is the movement of molecules or ions from an area of higher concentration to an area of lower concentration, until equilibrium is reached. This process occurs spontaneously and without the need for energy input.
In simple diffusion, the nutrients or molecules move directly through the lipid bilayer of the cell membrane. The membrane acts as a barrier, allowing only small, non-polar molecules to pass through freely. This means that larger or polar molecules, such as glucose or amino acids, cannot cross the membrane by simple diffusion alone. Instead, they require specific transporters or channels to facilitate their movement.
Simple diffusion is an important process for the transport of small molecules, such as oxygen and carbon dioxide, across cell membranes. It also plays a role in the diffusion of lipids and steroid hormones. Overall, simple diffusion is an efficient and essential process for maintaining the proper concentration gradients across the cell membrane, which is necessary for the proper functioning of cells and organisms.
To know more about simple diffusion, refer to the link below:
https://brainly.com/question/26274573#
#SPJ11
A Caucasian female is found un-clothed in a public park. Lividity is present on the ventral (front) side of her body.
but lividity is absent around her chest area, upper thighs and some regions of her legs and feet.
Illustrate this situation in the picture below:
What can you conclude about this situation?
How long (approximately) has the victim been dead?
Answer:
A
Explanation:
THE HUMAN body is a facinaty long creature
We can conclude from this situation that this woman may have been a victim of violence.
How long (approximately) has the victim been dead?
Lividity can become noticeable, under ideal conditions, between 20 and 45 minutes post-mortem. On average, they appear between 1 and 3 hours, settling (fixation of the hypostases) definitively around 8 to 12 hours post-mortem, occupying the lower plane of the body's position.
We can conclude from this situation that this woman may have been a victim of violence.
Learn more about Lividity in brainly.com/question/15305968
What animals live in mangrove swamps/forests. List as much as possible.
Answer:
barnacles, oysters, mussels, sponges, worms, snails, small fish, crabs, jellyfish, shrimps, frogs, many amphibians and birds
A person without the allele for sickle cell anemia has children with a person who is a carrier for sickle cell anemia but doesn’t have the disease. What percentage of their children will have sickle cell anemia? What percentage of their children will be carriers for sickle cell anemia? Show your work with a Punnett square. Plese help!!!!
If one parent has sickle cell trait (HbAS) and the other does not carry the sickle haemoglobin at all (HbAA) then none of the children will have sickle cell anaemia. There is a one in two (50%) chance that any given child will get one copy of the HbS gene and therefore have the sickle cell trait.
what is sickle cell anemia ?Sickle cell anemia is a type of hereditary disease provides less oxygen to cells due to a change in the shape of red blood cells, so that it fails to carry oxygen to cells.
The effected or mutated part is the beta gene which is generally makes hemoglobin but due to the mutation in the amino acid, the protein formed is defected and fails to perform its normal function.
To know more about sickle cell anemia, visit
https://brainly.com/question/14511609
#SPJ1
answer!!!!!!!!!!!!!! pls which is an aquatic animal ? a) cat. b) monkey c) kite d) shark
Answer: Shark
Explanation: A shark is an aquatic animal because it lives inside water.
Animals like cats that live on land are called Terrestrial animals. Animals like monkeys that live in trees are called Arboreal animals, and animals like kites (a bird) that fly in the sky are called Aerial animals.
aquatic animal means animal living in water. that means shark is an aquatic animal from the four choices above.
Explanation:
cats live on land and also cats hate water.
monkey live on the tree in the forest.
kite is played by students by throwing it up to the sky.
so it means shark is the aquatic animal and also shark is not a land live nor a forest liver.
How are fossils formed? Simple answer please
2. Use the table below to compare photosynthesis with respiration. For items
indicated with a question mark (?) answer with a yes or no.
Comparison Photosynthesis Respiration
raw materials
products
occur in plants?
occurs in animals?
energy is released?
energy is needed?
Which is used to produce proteins?
Plasmids
Ribosomes
Pili
Cell Wall
Flagella
Answer:
Ribosomes
Explanation:
Ribosomes are organelles with the main purpose of protein synthesis in cells, both in eukaryotes and prokaryotes.
Ribosomes create proteins through translation of mRNA, and the linking of amino acids.
These linked amino acids are the proteins, which can also develop into more complex types of protein structures, such as tertiary and quaternary structures.
So, the correct answer is Ribosomes.
Why are most plants and some algae green?
Answer:
Algae have chloroplasts that contain chlorophyll A and B, giving them a bright green color, as well as a necessary pigments beta carotene(red-orange) and xanthophyllis (yellow)is stacked thylakoids.Plants look green because they absorb red light most efficiently and the green light is reflected.
Is Ophelia pregnant in Hamlet?.
People can stage Hamlet like that, but there is no indication in the script that Ophelia is pregnant. The best evidence that she is pregnant with Hamlet is the song she sings at the end.
Had Hamlet's Ophelia a sex?To her father and her brothers, Ophelia had not sex and a vessel of morality destined to be a faithful wife and faithful mother. To Hamlet, she is a sexual object, a depraved deception lover
Who should Ophelia marry?She was a young noblewoman from Denmark, the daughter of Polonius, the sister of Laertes, and a potential wife of Prince Hamlet, whose actions plunged her into a state of insanity and eventually drowned. It arrives. Along with Queen Gertrude, Ophelia is one of the two female characters in the original play.
To learn more about Ophelia visit:
https://brainly.com/question/3801290
#SPJ4
37. Which of the following shows the correct relationship between monomers and polymers?
O nucleotides combine to form proteins
glycerol and fatty acids combine to form lipids
amino acids combine to form nucleic acids
O polysaccharides combine to form carbohydrates
Answer:
The correct answer is the second option - glycerol and fatty acids combine to form lipids.
Explanation:
Lipids are a polymer or macromolecule, and the smaller pieces, or monomers, that make up lipids are glycerol and fatty acids.
Option 1 is incorrect because nucleotides are the monomer for nucleic acids, not proteins.
Option 3 is incorrect because amino acids combine to form proteins, not nucleic acids.
Option 4 is incorrect because polysaccharides are polymers (the monomer for carbohydrates is monosaccharides).
Hope this helps!
4. Lunar eclipses can only happen when Earth is in between the sun and
the moon.*
O a. True
O b. False
Answer:
the answer to this is True
What is a good picture to capitalize this?
hope this helps a lot and enjoy the pictures!
The worldwide, primary viral cause of morbidity and mortality from diarrhea is:
A. Coxsackie viruses.
B. Rhinoviruses.
C. Influenza viruses.
D. Caliciviruses.
E. Rotavirus.
The worldwide, primary viral cause of morbidity and mortality from diarrhea is: Rotavirus, option E.
Diarrhea and other digestive symptoms are brought on by the virus known as rotavirus. It is the most typical cause of diarrhoea in newborns and young children across the world and is highly infectious. A rotavirus has a spherical form when seen under a microscope. The virus's name, "rota," is derived from the Latin word for wheel.
Inflammation in the intestines and stomach is brought on by rotavirus. In newborns, young children, and some adults, it can result in severe diarrhoea, vomiting, fever, abdominal discomfort, and dehydration.
The symptoms of rotavirus can be managed with medication, but there is no known cure. Even youngsters who have had the vaccine may contract it more than once.
Learn more about Rotavirus:
https://brainly.com/question/30459673
#SPJ4
tell a lie the lie i like i will give many points
HELP ME SOMEONE PLSss
Answer:
I think it's a or D I'm not sure
What is the relationship between the light-dependent and light-independent reactions of photosynthesis
Answer:
In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In the light-independent reactions, the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.
Explanation:
hope it's help♡
Which brain wave is probably operating while you are taking this exam?
a. delta
b. theta
c. beta
d. alpha
The brainwave that is probably operating while taking an exam is Beta. Beta brain waves are associated with alertness, concentration, and focus, which are essential when taking an exam.
Delta and Theta waves are associated with deep sleep and relaxation, while Alpha waves are associated with a state of relaxation or meditation. Therefore, the correct option is c. Beta.
While taking an exam, the brain wave that is likely operating is the beta wave. Beta waves are associated with alertness, concentration, and focused mental activity. When you are actively engaged in tasks requiring attention and cognitive processing, such as answering exam questions, your brain produces beta waves. These waves help to keep you attentive and focused, enabling you to analyze information, recall knowledge, and think critically.
to know more about Beta brain waves visit :
https://brainly.com/question/30164287
#SPJ11
the end product of microorganism breakdown of plant and animal remains is ________.
The ultimate result of the breakdown of plant and animal remnants by microorganisms normally consists of humus, an organic material, as well as inorganic substances including water, carbon dioxide.
What is the final result of the degradation of plant and animal remnants by microorganisms?Carbon dioxide (CO2), energy, water, plant nutrients, and newly formed organic carbon molecules are among the byproducts of decomposition. A more complex organic compound known as humus is created by the sequential breakdown of dead materials and changed organic matter (Juma, 1998).
What results from the decomposition of microorganisms?Microorganisms decompose organic material during the composting process, releasing carbon dioxide, water, heat, and humus, a rather stable organic product.
To know more about microorganisms visit:-
https://brainly.com/question/9004624
#SPJ4
PREDICT:
What do you think the chances are that there is someone in the world exactly like you?
Answer: 0%
Explanation: As cool as it would be, even identical twins have different genes and DNA. The chances someones DNA is exactly like your own unique one is very low.
True or False: Smell is detected due to particles being inhaled and making direct contact with the
olfactory bulb.
Answer:True
Explanation:
...
what is created in the capsule?
Capsules can be used to contain a variety of substances, such as medication, supplements, or powdered herbs.
What is a capsule?A capsule is a tiny, cylindrical-shaped container that holds medication, nutritional supplements, or other small items. It can be made of many materials, including as gelatin, cellulose, and other polymers. Capsules are designed to be easily consumed and dissolved in the stomach, releasing the contents.
The material manufactured or contained within a capsule is determined by its intended usage. A capsule, for example, might include medication in the form of powder, liquid, or gelatinous material.
Find out more on capsule here: https://brainly.com/question/30532568
#SPJ1
PLEASE HELP ME ASAPPPPPP!!!!!!!! GIVING 13 POINTS AWAY!!
Answer:
B
Explanation:
Which organelle is labeled a? mitochondrion ribosome golgi apparatus lysosome
The organelle that is labeled A is called Golgi apparatus.
What is Golgi apparatus?The Golgi apparatus, also known as "Golgi body" or simply "the Golgy", is an organelle that is found in most eukaryotic cells. The Golgi apparatus is part of the endomembrane system in the cytoplasm. The Golgi apparatus packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.
The Golgi apparatus resides at the intersection of the lysosomal, secretory, and endocytic pathways. The Golgi apparatus is important in processing proteins for secretion that contains a set of glycosylation enzymes that attach various sugar monomers to proteins as the proteins move through the apparatus.
Golgi apparatus was identified in 1897 by the Italian scientist Camillo Golgi and was named after him a year later.
The question's image was missing, but it has been attached to this answer.
Learn more about Golgi apparatus here: https://brainly.com/question/143804
#SPJ4
Answer: C
Explanation: edge
4. The temperature in \( \# 3 \) is fresh water's temperature of maximum density. a. lower than b. equal to c. higher than
The given statement “The temperature in # 3 is fresh water's temperature of maximum density” means that the temperature at point 3 has a density of maximum density compared to other points of fresh water. So, the temperature at point 3 is equal to fresh water's temperature of maximum density. Therefore, the answer is option b. equal to.
Water is known as the only substance on earth that exists in all three forms, i.e., solid, liquid, and gas. Moreover, the density of water is also unique compared to other substances. Density is the property of a substance that measures the relationship between the mass and volume of a substance. The density of water varies with temperature and pressure. So, the density of water is always higher than that of gases but lower than most solids.
The density of fresh water at standard atmospheric pressure is around 1000 kg/m³, whereas seawater has a density of around 1025 kg/m³ at the surface. The density of water at different temperatures: Water has a unique density-temperature relationship, meaning the density of water varies with temperature.
At 4 °C, fresh water has the highest density, and as the temperature rises or falls below this point, the density of water decreases. So, water has an anomalous density-temperature relationship. Hence, b is the correct option.
You can learn more about density at: brainly.com/question/29775886
#SPJ11
the protective covering for all of the internal and external surfaces of the body is known as
Epithelial tissue is a compound of cells that is found in all the membranes that cover both the internal and external surfaces of the organism.
What is epithelial tissue?Epithelial tissue is a set of cells that overlap each other to protect the inner layers of different organs and outer layers of other body structures.
Functions of epithelial tissue:It protects the body against mechanical damage, against the entry of microorganisms or against the loss of water by evaporation.On most internal surfaces, it has the function of absorbing, secreting and transporting and serving as a barrier.Therefore, we can conclude that the specific structure of an epithelium will fulfill the functions of secretion, protection, secretion or transport in an organism.
Learn more about Epithelial tissue here: https://brainly.com/question/13404204
a 12-year-old cat is equivalent to a _______-year-old human.
Based on the guideline, a 12-year-old cat would be approximately equivalent to a 64-year-old human.
There is no precise equivalence between the age of a cat and a human, as the aging process differs between species. However, a commonly referenced guideline is that the first year of a cat's life is roughly equivalent to 15 human years. After that, it's generally estimated that each additional cat year is equivalent to around 4 human years.
Based on this guideline, a 12-year-old cat would be approximately equivalent to a 64-year-old human. However, it's important to note that this is a rough estimation and individual factors such as genetics, lifestyle, and health can influence the aging process in both cats and humans.
In general, it is often stated that the first year of a cat's life is equivalent to around 15 human years in terms of aging. After that, the rate at which a cat ages slows down compared to humans. It is commonly estimated that each additional cat year is roughly equivalent to about 4 human years.
Applying this guideline, a 12-year-old cat would be considered to be approximately equivalent to a 64-year-old human. However, it's important to remember that this is just an estimation, and individual variations exist. Factors such as genetics, lifestyle, and overall health can influence the aging process in both cats and humans.
To know more about human follow the link:
https://brainly.com/question/11655619
#SPJ4
if developing cells communicate with one another to induce a particular fate in neighboring cells, the very first cells must receive their instructions of what to become froman organizer.mosaic specification.mitotic linage.
When developing cells communicate, the very first cells must receive their instructions is the mosaic specification. Thus, Option A is correct.
Mosaic specification is a process in which the very first cells receive their instructions of what to become from an organizer. This organizer is a group of cells that release signaling molecules that induce specific fates in neighboring cells. These signaling molecules instruct the neighboring cells to develop into particular tissues or organs.
In contrast, mitotic linage refers to the process in which a cell's fate is determined by its lineage, or the series of cell divisions that it has undergone. This means that a cell's fate is predetermined by the fate of its parent cell, rather than by signals from an organizer.
Therefore, the correct answer to this question is A. mosaic specification, as it is the process in which the very first cells receive their instructions of what to become from an organizer.
Learn more about cells communicate https://brainly.com/question/17464270
#SPJ11
As a consequence of these limitations, aquatic animals often have respiratory surfaces such as external gills that form an extensive inward -protruding membrane system through which water flows in a unidirectional manner. outward bidirectional Some key limitations on gas exchange depend on whether the external environment is terrestrial or aquatic. Consider the specific challenges faced by terrestrial animals (whose respiratory medium is air). Which of the following properties of air limit the ability to carry out gas exchange? Check all that apply. High viscosity of respiratory medium Low oxygen content of respiratory medium Risk of evaporation Slow molecular movement through respiratory medium As a consequence of these limitations, terrestrial animals often have respiratory surfaces such as lungs that form an extensive select answer -protruding membrane system through which air flows in a bidirectional manner. inward outward
The properties of air which limit the ability to carry out gas exchange in terrestrial animals are low oxygen content of respiratory medium, risk of evaporation, and slow molecular movement through respiratory medium.
As a consequence of these limitations, terrestrial animals often have respiratory surfaces such as lungs that form an extensive inward-protruding membrane system through which air flows in a bidirectional manner.
Terrestrial animals face specific challenges in gas exchange because they breathe air, which has different properties compared to water, the respiratory medium of aquatic animals. Air has a lower density and viscosity than water, which means that oxygen is less concentrated and diffuses more slowly through the air than water. Additionally, the air has a higher risk of evaporation, which can lead to water loss and dehydration in terrestrial animals.
To overcome these challenges, terrestrial animals have evolved respiratory surfaces such as lungs that are designed to maximize the diffusion of oxygen into the bloodstream while minimizing water loss. Lungs are typically internal, inward-protruding membrane systems that allow air to flow in and out bidirectionally so that oxygen can diffuse into the bloodstream and carbon dioxide can be removed. The inward-protruding structure of the lungs allows a large surface area for gas exchange to occur, while also protecting the respiratory surfaces from drying out.
Learn more about lings:
https://brainly.com/question/27010145
#SPJ11