Answer:
sinusoidal capillaries
Explanation:
In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the?
In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the actin filaments.
A myosin head essentially functions like a cocked spring that bends and delivers a power stroke when it binds to an actin filament. A single sarcomere is forced to contract and shortens as a result of the power stroke's actin filament sliding past the myosin.
If there is enough ATP and the myosin-binding sites are exposed, myosin binds to actin to start the cross-bridge cycling process. The muscle contracts as the sarcomere shortens. Since this binding cannot take place without calcium, free calcium is a crucial regulator of muscle contraction.
Therefore,In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the actin filaments.
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Aferdita is an area where sediments are desited
Mountain range
Ocean floor
The sediments in the mediat show accesome fame
Amountain range
can foor
asime
Answer: Lithogenous sediment
Lithogenous sediment tends to dominate near the edges of continents and islands due to heavy contributions form land-based sediment sources relative to other sediment sources. Examples of land-based sediment sources include erosion of land and river transportation of sediment to the sea.
Explanation:
What type of cell would have the organelle pictured in Figure 1? 1 point O A. prokaryotic cell
B. animal cell
C. plant cell
D. both plant and animal cells
Answer:
C. plant cell only.
Explanation:
Anaerobic respiration results in a ____ energy output compared to aerobic respiration.
a. high
b. low
Answer:
low
Explanation:
what do you call an organism that has been genetically engineered to contain a gene from a different species?
Answer:
A transgenic, or genetically modified, organism is one that has been altered through recombinant DNA technology, which involves either the combining of DNA from different genomes or the insertion of foreign DNA into a genome.
Explanation:
Answer:
This would be called a transgenic or genetically modified organism.
Explanation:
A transgenic or genetically modified organism is one that has been altered through something called recombinant DNA technology. Which involves either the combining of DNA from different genomes or in another case the insertion of foreign DNA into a genome.
Identify the type of chemical reaction.
H2CO3H2O + CO2
reversible
decomposition
synthesis
exchange
Answer:
Answer = Decomposition
Answer:
Decomposition
Explanation:
which example involves a cell membrane receiving and sending messages?
A. the cell membrane prevents glucose from entering a cell
B. a transport protein allows a large molecule to enter a cell
C. cells of an organism tell each other when predators are near
D. an enzyme acts as a catalyst for a reaction on a cell membrane
Answer: Cells of an organism tell each other when predators are near.
Explanation:
I just answered the question
You are skateboarding at the skate park and you are not wearing your knee guards. You are trying to show
your friends your new skateboard trick and fall off your skateboard, skinning your knee. How would your
body repair this cut?
a. mitosis; the injury would trigger cell division to replace those cells ; results in 2 identical cells
b. mitosis; the injury would trigger cell division to replace those cells; results in 4 identical cells
c. binary fission; the injury would trigger cell division to replace those cells; results in 4 identical cells
d. binary fission; the injury would trigger cell division to replace those cells; results in 2 identical cells
Answer:
a. mitosis; the injury would trigger cell division to replace those cells ; results in 2 identical cells
Explanation:
Mitosis is the cell-creation process that an animal would undergo while healing a cut. It is a division that results in two daughter cells. The answer is not binary fission as that is an asexual reproductive method that occurs most often in simple, single-celled organisms like bacteria. It would not be used in the body during the process of healing a cut. The answer is not that it results in 4 identical cells, as mitosis (which is the process used in healing a cut) can only result in 2 identical daughter cells, not four. 4 resulting cells is characteristic of meiosis, which differs from mitosis as each of the 4 daughter cells created in this process are genetically unique and only contain half as much DNA as the parent cell. With these understandings in mind, you can rule out all options other than A.
Match the following examples to the correct component of the human skeletal system.
The elbow is a point of connection between the humerus of the upper arm and the radius and ulna of the forearm.
The nose and ears are made of flexible connective tissue.
The ACL is a long connective tissue in the knee between the tibia and femur.
The femur is the largest semirigid connective tissue in the human body; it is found in the leg.
The elbow is part of the joint component of the skeletal system.
The nose and ears are made of cartilage, a type of connective tissue.
The ACL (anterior cruciate ligament) is a connective tissue in the knee joint.
The femur is a bone in the skeletal system, not a connective tissue.
The elbow is a point of connection between the humerus of the upper arm and the radius and ulna of the forearm.
This corresponds to the joint component of the human skeletal system. Joints allow for movement and flexibility between bones.
The nose and ears are made of flexible connective tissue. This corresponds to the cartilage component of the human skeletal system. Cartilage provides structure and support while being more flexible than bone.
The ACL (anterior cruciate ligament) is a long connective tissue in the knee between the tibia and femur. This corresponds to the ligament component of the human skeletal system. Ligaments are tough bands of connective tissue that connect bones and provide stability to joints.
The femur is the largest semirigid connective tissue in the human body; it is found in the leg. This corresponds to the bone component of the human skeletal system. Bones provide structural support, protect internal organs, and enable movement through their rigid structure.
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which of the following statements is/are true about gastric motility? check all that apply. The muscular contractions of the stomach's muscularis layers contribute to mechanical digestion., The action of pepsin on proteins in the stomach is an example of chemical digestion.
The following statements are true about gastric motility:The muscular contractions of the stomach's muscularis layers contribute to mechanical digestion.The action of pepsin on proteins in the stomach is an example of chemical digestion.
The stomach is a muscular organ that plays a key role in the digestion of food. The muscularis layer of the stomach consists of three layers of smooth muscle, which contract and relax in a coordinated manner to mix and break down food mechanically. This process is known as mechanical digestion. At the same time, the stomach secretes gastric juices containing hydrochloric acid and the enzyme pepsin, which chemically digest proteins in the food. The action of pepsin on proteins is an example of chemical digestion. Together, mechanical and chemical digestion in the stomach prepare the food for further digestion and absorption in the small intestine.
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Is there a 100% chance that the puppies will have solid fur?
Introduction to punnett squares and alleles worksheet
A Punnett square is a diagram that is utilized to calculate the likelihood of an offspring inheriting a specific trait from its parents. This diagram is commonly used in the study of genetics and is named after its creator, Reginald Punnett.
Punnett squares utilize alleles, which are variations of a particular gene that can produce differing traits. Alleles are usually represented as letters, with uppercase letters representing dominant alleles and lowercase letters representing recessive alleles.
The Punnett square is made up of two axes, with the father’s alleles listed along the top and the mother’s alleles listed along the side. The possible combinations of these alleles are then shown within the squares of the grid. For example, if a father has an A allele and a mother has a B allele, their offspring could inherit an AB allele, an AA allele, a BB allele, or a BA allele.
Punnett squares are used to study a variety of genetic traits, such as blood type, eye color, and height, and can provide useful information about inheritance patterns.
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help with question #23
what is energy?How dose energy work
Answer:
energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.
Which is an example of a simile? put O His mother was trying to get him into the car. + O Moments later, Grandma appeared with a white box in her hand. O The sneakers were as red as a fire hydrant. 0 Tyrell spent the rest of the day playing basketball with a smile on his face.
Answer:
O The sneakers were as red as a fire hydrant.
Explanation:
the double standard that men can be more sexually competent than women
all of the above
The double standard that men can be more sexually competent than women is a pervasive societal belief that reinforces gender inequality. This belief asserts that men are naturally more skilled and experienced in sexual matters, while women are expected to be passive and inexperienced.
This double standard has been perpetuated by popular culture, religious beliefs, and social norms, among other things. There are many negative consequences of the double standard that men can be more sexually competent than women. Women who do not conform to these expectations may be labeled as promiscuous or immoral, while men who do conform may be praised as studs or players. This reinforces harmful gender stereotypes and undermines women's autonomy and sexual agency.
Moreover, the belief that men are more sexually competent than women is not supported by scientific evidence. Sexual competence is not determined by gender, but rather by a combination of factors such as experience, communication skills, and emotional intelligence. Therefore, it is important to challenge and dismantle this double standard and promote a more inclusive and equitable view of sexuality.
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on what material are the bacteria grown in the petri dish? when bacteria accumulate in the thousands, what is the group/mass called
Bacteria are grown on solid media such as agar, and the group/mass of bacteria that accumulates in thousands is called a biofilm.
Petri dishes are commonly used to grow bacteria. When preparing a petri dish, a sterile agar medium is poured into the container and left to solidify. Afterward, bacteria are introduced to the agar using a sterilized swab. The lid of the container is then replaced and incubated at the appropriate temperature and conditions. Bacteria will grow on the agar, and individual colonies will be visible after incubation.
Biofilms are dynamic, heterogeneous microbial communities that are attached to surfaces and protected by extracellular polymeric substances (EPS). Biofilms can form on almost any surface, including living and non-living surfaces such as teeth, medical devices, and food processing equipment.
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If the Third Quarter Moon is on March 9, when would the next First Quarter Moon be?
Explanation:
The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the Third Quarter usually happens around day 22
So from this add 22 in the actual date to get answer
Which is 31 march
PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE
The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the third quarter usually happens around day 22.So from this add 22 in the actual date and on 31st march there would the next First Quarter Moon.
What is lunar phase of moon?Lunar phase is the phase of moon which is viewed from the earth, the lunar phase is also known as moon phase is a shape of moon's directly sunlit portion and it can be expressed quantitatively.The current moon phase for today is the new moon phase.
The moon is known as earth's only natural satellite and combinedly with earth it forms the earth-moon satellite system.
The size of moon is one quarter of earth in diameter. It is fifth largest satellite in the solar system. The distance of moon from earth is 384,400km. The radius of moon is 1,737,4 km. The gravity of moon is 1.62 m/sec^2.
The total surface area of moon is 3.793×10^7 km square and it's surface pressure is 10^-7 Pascal. There are total 8 phase of moon and these are new moon, first quarter, waxing gibbous, third quarter and waning crescent.
Therefore,The First Quarter happens around day 7 of a Moon's cycle (one week after the New Moon) and the third quarter usually happens around day 22.So from this add 22 in the actual date and on 31st march there would the next First Quarter Moon.
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explain how the geologist knows that the flow is older then the intrusion
3. How are protists similar to animais, plants and fungi?
Answer:
Animal-like protists, which are heterotrophs and have the ability to move. Plant-like protists, which are autotrophs that photosynthesize. Fungi-like protists, which are heterotrophs, and they have cells with cell walls and reproduce by forming spores.
Explanation:
what are the two claims about living creatures made by the Theory of Biological Evolution?
Answer:Plz mark Brainliest
Explanation:
The theory of Biological Evolution makes two very bold claims about living creatures: First: All living things on earth are related. They evolved from a common ancestor. Second: The evolution of living things is powered by natural processes. Things which can be studied and understood.
Ruben's blood pressure is constantly around 150/90 mmHg. a- What condition is Ruben diagnosed with? Choose the answer. b- What can Ruben do to help lower the risk of having cardiovascular diseases? Select all that apply. [-A-] follow a low-fat diet [-B-] avoid smoking [-C-] follow a sodium-rich diet [-D-] monitor his blood pressure [-E-] exercise
Answer:
The condition Ruben is diagnosed with is : Hypertension
Explanation:
Ruben cab do the following to help lower the risk of having cardiovascular diseases?
1. Follow a low-fate diet - because it adds to the cholesterol and applies plaque in the arteries causing high blood pressure.
2. Avoid smoking - Nicotine narrows your arteries and hardens their walls, and makes your blood more likely to clot.
3. Exercise - It helps lowering your systolic blood pressure and keeping it in normal range.
Every deliberate action you make, such as pedaling a bike, walking, scratching, or smelling a flower, involves neurons in the?
Every deliberate action you make, such as pedaling a bike, walking, scratching, or smelling a flower, involves neurons in the nervous system.
The nervous system is responsible for every voluntary or involuntary action of the human body. Every deliberate action that an individual makes, such as pedaling a bike, walking, scratching, or smelling a flower, involves neurons in the nervous system.When a signal is transmitted through the neurons, a series of events takes place in the body. The central nervous system, including the brain and spinal cord, receives and processes sensory input from the body's peripheral nervous system.The body then generates a response, which is transmitted back to the peripheral nervous system to carry out the action required.
Every deliberate action an individual makes, such as pedaling a bike, walking, scratching, or smelling a flower, involves neurons in the nervous system. The nervous system is responsible for every voluntary or involuntary action of the human body.The human nervous system consists of two parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The brain and spinal cord make up the CNS, while the PNS is made up of the nerves that run throughout the rest of the body. Every time a person makes a deliberate action, a signal is transmitted through the neurons.
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During inspiration, ________. Multiple Choice transpulmonary pressure increases alveolar pressure exceeds atmospheric pressure
During inspiration, the diaphragm and other respiratory muscles contract, causing the volume of the thoracic cavity to increase. This increase in volume leads to a decrease in the pressure within the lungs, known as alveolar pressure.
As a result, air flows into the lungs from the higher atmospheric pressure outside, in a process called inhalation or inspiration. The transpulmonary pressure, which is the pressure difference between the inside and outside of the lungs, also increases during inspiration, but it is not the primary factor that drives the movement of air into the lungs.
Therefore, the correct answer to the multiple-choice question is that alveolar pressure exceeds atmospheric pressure during inspiration.
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which action must take place before transcription can begin?
Before transcription can begin, a process known as DNA unwinding and unzipping must take place.
Transcription is the process by which genetic information encoded in DNA is copied into a complementary RNA molecule. However, before transcription can occur, the DNA double helix must undergo unwinding and unzipping.
During DNA unwinding, the hydrogen bonds between the complementary nucleotide bases (adenine, thymine, cytosine, and guanine) are broken, causing the DNA double helix to separate into two strands. This separation exposes the DNA template strand, which serves as a template for RNA synthesis.
Once the DNA strands are unwound, the process of DNA unzipping occurs. Enzymes, such as helicase, help in separating the DNA strands by breaking the hydrogen bonds between the base pairs.
As a result, the DNA molecule is "unzipped" into two separate strands, with the template strand serving as a template for RNA synthesis.
After DNA unwinding and unzipping, the stage is set for transcription to begin. The RNA polymerase enzyme can then bind to the DNA template strand and initiate the synthesis of an RNA molecule using complementary RNA nucleotides.
Thus, DNA unwinding and unzipping are essential steps that precede the initiation of transcription.
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Which of the following holds the least amount of carbon?
Oceans
Glaciers
Plants
Soil
Answer:
Its the Ocean.
Explanation:
This is the correct answer I hope this helps you out.
Oceans hold the least amount of carbon compared to glaciers, plants, and soil. Therefore, option (A) is correct.
What is carbon cycle?Carbon exists in the oceans mainly in the form of dissolved inorganic carbon (DIC) in the form of bicarbonate and carbonate ions. The oceans act as a carbon sink, absorbing around 25% of the carbon dioxide emitted by human activities. However, the amount of carbon stored in the oceans is relatively low compared to other carbon reservoirs such as glaciers, plants, and soil.
Glaciers are made up of compacted snow and ice and can hold large amounts of carbon. Glaciers are important for the carbon cycle as they can sequester carbon for hundreds of years. Plants also store large amounts of carbon in the form of organic matter through the process of photosynthesis. Soil also stores significant amounts of carbon in the form of organic matter.
Overall, while oceans do play a role in the carbon cycle, they hold the least amount of carbon compared to other reservoirs. The carbon cycle is a complex system that involves many reservoirs and processes, and understanding the dynamics of each of these components is crucial to our understanding of global climate change.
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what is the function of the operator region of the trp operon? provides a site for rna polymerase to bind codes for the corepressor codes for the repressor provides a site for the repressor to bind
A binding site for the repressor is provided by the operator region of the trp operon's function. The correct answer is (D).
The trp repressor, a regulatory protein, recognizes this section of DNA. By physically obstructing RNA polymerase, the transcription enzyme, the repressor prevents the operon from being transcribed when it binds to the operator's DNA.
The repressor is able to bind to the operator site because the corepressor binds to the repressor protein and alters its conformation.
The repressor molecule binds to the operon model at the operator, which is the DNA segment. Both prokaryotes and eukaryotes contain them. Only prokaryotes contain them. In eukaryotes, it works with the limiting of record elements and RNA polymerase for quality records.
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Q- What is the function of the operator region of the trp operon?
A. Codes for the repressor
B. Codes for the corepressor
C. Provides a site for RNA polymerase to bind
D. Provides a site for the repressor to bind
carbon – containing energy sources formed from the decomposing a prehistoric organism or called 
Answer:
Fossil fuels
explanation: Coal is one type of fossil fuel. This is a nonrenewable energy source whose extraction often damages the environment. Fossil fuels are made from decomposing plants and animals. These fuels are found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy
:)
the stage of the cell cycle where each chromosome is composed of two chromatids in preparation for mitosis.
Prophase As a result, during prophase and metaphase of mitosis, the chromosomes are dyad, or made up of two chromatids.
During the S phase (synthesis phase), DNA replication produces two identical copies of each chromosome, known as sister chromatids, which are securely connected at the centromere region. At this point, each chromosome is a duplicated chromosome composed of two sister chromatids.
Chromosomes begin metaphase with two chromatids connected by a centromere. During anaphase, the chromatids split and become individual chromosomes. Cytokinesis divides the chromosome into two distinct cells.
During prophase, chromosomes condense; each chromosome is made up of two identical sister chromatids linked at the centromere.
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What is the Texas state tree?
Plant: Pecan Tree. 1919 saw its designation as the state tree. The pecan tree, which is native to Texas and well-liked as a yard tree and provides the only nut that is farmed there for commercial purposes, is widespread in the wild.
Former governor James Stephen Hogg asked that his tomb be marked by a pecan tree before he passed away in 1906. This led to an increase in popularity for the local tree. 1919 saw its designation as the state tree. The pecan tree, which is native to Texas and well-liked as a yard tree and provides the only nut that is farmed there for commercial purposes, is widespread in the wild. For usage in pies, candies, and other delights, millions of pounds of the soft-shelled, sweet-meat nuts are gathered each year.
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