the drop down answers are
1.
cardiac
skeletal
smooth
2.
brain
muscle tissue
spinal cord
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Answer:
1. skeletal
2. brain
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A tree enters the early stages of reproduction during the early spring months when it blooms. What stage of its life cycle is it in?
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Answer:
the answer is sprout btw i took this test it said its correct
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called
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The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called keratinocytes.
What is keratinocytes?Skin cells, also known as epidermal keratinocytes, are highly specialized epithelial cells created for a very specific purpose: separating the organism from its environment.Keratinocytes, which make up the majority of the epidermis, have a variety of functions that are crucial for skin restoration. They carry out the re-epithelialization process, in which keratinocytes move, multiply, and differentiate in order to reestablish the epidermal barrier.The majority of the epidermis's cells, known as keratinocytes, begin in the basal layer, manufacture keratin, and help to create the epidermal water barrier by producing and secreting lipids.A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized. The skin's epidermis is made up of this kind of epithelium.
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Where are phospholipids most likely found in a eukaryotic cell? group of answer choices ribosomes around organelles plasma membrane flagella b and c
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Answer: plasma membrane
Explanation:
Lifting a stone with the tip of foot is?
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Dorsiflexion is the backward bending and contracting of your hand or foot.
What is Dorsiflexion ?Dorsiflexion is the backward bending and contracting of your hand or foot. This is the extension of your foot at the ankle and your hand at the wrist.
You can also dorsiflex your fingers and toes, though usually the term is referring to your wrist or ankle.Dorsiflexion is where the toes are brought closer to the shin. This decreases the angle between the dorsum of the foot and the leg.For example, when walking on the heels the ankle is described as being in dorsiflexion.
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The spinal cord contains ascending and descending nerve fibers that send information between the cns and the periphery. This illustrates which function of the spinal cord?.
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The spinal cord contains ascending and descending nerve fibres that send information between the CNS and the periphery. This illustrates the conduction function of the spinal cord.
The bony components of the vertebral column serve to shield the spinal cord, which is a component of the central nervous system (CNS) and which spans from the head to the tail of the body. It is protected by the three membranes that make up the central nervous system, which are the pia mater, the arachnoid, and the dura mater.
The spinal cord contains the descending and ascending nerve fibres. The spinal cord is an important component of both the central nervous system and the peripheral nervous system. It is connected to the rest of the nervous system by a network of 31 pairs of spinal nerves, which are responsible for carrying sensory information. These nerves go up the spinal cord or through the medulla oblongata to reach the subcortical nuclei, where they form synaptic connections.
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Which part of the nephron receives fluid directly from the glomerular capsular space?
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The proximal tubule is the segment of the nephron in kidneys which begins from the renal pole of the Bowman's capsule to the beginning of loop of Henle. The glomerulus is the site in the nephron where fluid and solutes are filtered out of the blood to form a glomerular filtrate. The proximal and distal tubules, the loop of Henle, and the collecting ducts are sites for the reabsorption of water and ions. Fluid and small solutes are forced under pressure to flow from the glomerulus into the capsular space of the glomerular capsule.
Reabsorption as this filtrate passes through the tubules, specific substances are reabsorbed back into the blood of the peritubular capillaries. Bowman's capsule surrounds the glomerular capillary loops and participates in the filtration of blood from the glomerular capillaries.
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The most abundant component of plasma is?
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water? not sure buddy
Frank was bitten by a rattlesnake and received anti-venom containing neutralizing antibodies. Frank received ________ immunity and he ________ long-term immunity as a result. Group of answer choices artificially acquired passive immunity; will not have naturally acquired passive immunity; will have artificially acquired passive immunity; will have naturally acquired active immunity; will not have
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Frank was bitten by a rattlesnake and given anti-venom containing neutralizing antibodies. Frank will have acquired long-term artificially acquired passive immunity and active immunity naturally he will have as a result.
What is active immunity?Active immunity occurs when exposure to a diseased organism triggers the immune system to produce antibodies against that disease.
What is passive immunization?Passive immunization occurs when the body already receives the antibodies ready, instead of stimulating their production. The main difference is that, in passive immunization, the body does not produce memory cells, fighting the organisms only once.
With this information, we can conclude that Active immunity is when the individual's own body produces an immune response.
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The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 40 m radius of curvature.
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The speed of the car at the bottom of the dip given the parameters in the equation is; v = 7 m/s
Since the motion is circular, it means that the acceleration of the car will be acting towards the centre of the circle and as a result the acceleration will be acting upwards with the formula; a = v²/rNow, if the mass of a passenger is denoted as m, then the net force on the passenger will be;F = mv²/r
Also, in the roller coaster, two other forces are acting which are the force of gravity(F_g) acting downward and also the force of the seat(F_seat) acting upwards. Thus, from equilibrium of forces, we can say that;F_seat - F_g= mv²/r
Where F_g= mg.
Thus; F_seat - mg mv²/r
1.5mg - mg mv²/r
divide through by m to get; 0.5g = v²/r
Plug in the relevant values;
0.5(9.8) = v²/10
v² = 0.5 x 9.8 × 10
v² = 49
v = 7
The speed of Car is 7 m/s
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If everyone on the planet used the same amount of resources as an average American, what percent of the Earth would need to be used to support everyone
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Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is:_________
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Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is: Contraception
The practice of preventing conception is known as birth control or contraception. Medication, procedures, technology, and behavior are examples of methods.Barrier techniques, like condoms, are a type of contraception that aid in preventing both pregnancy and sexually transmitted diseases (STIs). No matter what alternative method of birth control you use, you should still use condoms to safeguard your partner's and your own sexual health.the following are the types of contraceptives:
The contraceptive implant, contraceptive injection, emergency contraception pill (the "morning after" pill), contraceptive ring, intrauterine device (IUD), condom, oral contraceptive pill, contraceptive implant, contraceptive injection, and contraceptive implant.
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Substances capable of inducing an immune response are: Antibodies Antigens Cytotoxic cells Cytokines
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Answer:
Antigens
Explanation:
Antigens are the substances which are recognized and processed by many cells in the body and the presented to T cells which propagate immune response by activating B cells and macrophages
The fluid from the __________ joins the sperm from the ____________ at the ejaculatory duct.
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The fluid from the seminal vesicles joins the sperm from the vas deferens at the ejaculatory duct.
What is semen?Semen is the sticky, milky fluid produced in male reproductive organs that contains the reproductive cells or sperm.
The sperm cell is produced by the testes, which is the male reproductive organ.
However, the sperm does not come out of the male alone, it is embedded in a fluid that together makes up the semen.
The vas deferens joins with the seminal vesicle to form the ejaculatory duct, which passes through the prostate and empties into the urethra.
Therefore, the fluid from the seminal vesicles joins the sperm from the vas deferens at the ejaculatory duct.
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What does microbacteria in soil do?
produces inorganic material
breaks down minerals
protects the soil from predators
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Answer: Microbacteria breaks down minerals
Answer:
Breaks down minerals
Explanation:
Micro bacteria in soil helps break down minerals. For example, bacteria lives on plant roots and breaks down nitrogen, allowing it to be used for the plant.
Fill in the blanks with the appropriate artery name. Then place the sentences in order to trace a drop of blood from the heart to the left thumb.
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Blood pathways are as follow - Aorta -Third Subclavian Axillary Brachial Radial
Arranging Sequenceof Blood pathways - Your heart's two upper chambers are called atria. Both the left and right atriums are present.
Your two lowest heart chambers are called ventricles. Both the left and right ventricles are present in you. Large veins known as pulmonary veins carry oxygen-rich blood from your lungs to your left atrium. To transfer blood from your left atrium to your left ventricle, your mitral valve opens.
Your left ventricle contracts when it is full, which causes your mitral valve to close and your aortic valve to open. Blood is sent from your heart to your aorta, where it travels to the rest of your body, via your aortic valve. Your heart pumps blood from its right side to its left side before returning to the rest of your body in Blood pathways
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The Southern Oscillation is in a negative phase when pressures are: Group of answer choices low in both Tahiti and Darwin equal out in both Tahiti and Darwin higher in Tahiti than in Darwin are higher in Darwin than in Tahiti
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The Southern Oscillation is in a negative phase when pressures are higher in Darwin than in Tahiti.
The Southern Oscillation Index (SOI) is a standardized index that is derived from the observed changes in sea level pressure (SLP) between Tahiti and Darwin, Australia. This index is used to predict future weather patterns. During El Nio and La Nia events, the SOI is one measurement of the large-scale fluctuations in air pressure that occur between the eastern and western tropical Pacific. These changes can be attributed to the Southern Oscillation. In general, when time series of the SOI are smoothed, a very good correlation with variations is seen in the temperatures of the oceans throughout the eastern tropical Pacific. The negative phase of the SOI indicates that the air pressure in Tahiti is lower than normal while the air pressure in Darwin is higher than normal. Extended periods of negative Southern oscillation index values coincide with ocean temperatures over the eastern tropical Pacific that are abnormally warm (cold), which is typical of El Nio (La Nia) events.
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At Plantsman's Eden Nursery, new workers are trained in the proper techniques of planting rooted cuttings. As part of the training, after being given basic instructions regarding planting, each worker is given 10 seedlings to plant. Their planting techniques are then evaluated by the trainer. In the context of instructional strategies, this scenario best exemplifies _____.
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Planting techniques in the context of instructional strategies are best exemplified by active practices.
What are active practices?The expression 'active practices' makes reference to the techniques used to instruct the steps in a given procedure.
Active practices are well known to increase the productivity of a process by increasing its efficiency.
In conclusion, Planting techniques in the context of instructional strategies are best exemplified by active practices.
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Which part of the plant body serves as anchorage to the plant?
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The part of plants that serves as anchorage is the root.
What anchors plant?Plants can grow on different media ranging from soil, rocks, to water.
The primary organ that anchors plants to these growing media is the root.
Plant roots also serve to conduct mineral nutrients and water from growth media to the body of the plants.
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When Joni first stepped onto the sailboat, she smelled the tangy sea air and felt the motion of water beneath her feet. After a few minutes, she no longer noticed the smell, but unfortunately she was aware of the rolling motion for hours. What types of receptors are involved in smell and detection of motion
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The receptors involved in smell and motion detection are olfactory receptors and proprioceptors respectively.
Olfactory receptors are present on the cells of the olfactory epithelium in the nasal cavity. These receptors bind to the odor molecules and send signals inside the cell by producing chemical changes that are then detected and help in olfaction (detection of smell). These are a type of chemoreceptors.
Proprioceptors are a type of mechanoreceptors that detect changes in body position and maintain equilibrium. These receptors detect the position of limbs while walking and other activities. They are located in the skin, muscles, joints, and tendons.
Joni was able to smell the tangy sea air because of the olfactory receptors and was able to feel the motion of water beneath her feet because of the proprioceptors.
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The _____ maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
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Answer: PET scan, positron-emission tomography
The PET scan, positron-emission tomography maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
An imaging test called a positron emission tomography (PET) scan enables your doctor to look for disorders inside your body. A specific dye with radioactive tracers is used during the scan. Depending on the area of the body being investigated, these tracers may be ingested, breathed, or administered via injection into a vein in your arm.PET scans are used to find early indications of heart disease, cancer, and brain issues. Infected cells are discovered using an injectable radioactive tracer. A PET-CT combo scan generates 3D pictures for a more precise diagnosis.Measure essential processes like blood flow, oxygen consumption, and blood sugar (glucose) metabolism with a PET scan. Find the organs and tissues that aren't functioning properly. To determine the extent of the cancer, find malignant tumor cells.learn more about PET scan here: https://brainly.com/question/7436350
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You are unable to collect capillary blood from the finger of a child who has cold hands that appear bluish. What term is used to describe the color of this child's skin in the documentation of failure to collect a specimen
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Cyanotic is the term used to describe the colour of the child's skin in the documentation of failure to collect a specimen.
Cyanosis is characterized by a shift in the colour of human tissues to a bluish-purple tone. This colour change occurs as a consequence of reduced levels of oxygen being attached to the haemoglobin in the RBCs of the capillary bed. The lips, mucous membranes, nail beds, and ear lobes are among the most common areas on the body to exhibit cyanosis as these areas have thinner layers of skin than other parts of the body. In addition to cyanosis, a bluish discolouration of the skin tissue can be caused due to the consumption of food products with blue or purple dyes.
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Ethan has been eating salads without first washing the lettuce. He risks ingesting which type of bacteria?
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Ethan has been eating salads without first washing the lettuce. He risks ingesting E-Coli and Salmonella bacteria.
You could inhale dangerous bacteria from the soil or pesticides used on the produce in the fields if you eat unwashed produce. Furthermore, it's possible that you'll consume bugs that were collected with the produce.Animal-based foods like meat, poultry, eggs, dairy products, and shellfish are frequently the cause of food poisoning in humans.Fruits, vegetables, and other raw foods, however, can potentially be polluted and sicken people if they aren't rinsed beforehand.Fruits and vegetables that are the safest are cooked; those that are the next-safest are washed. Prevent eating unwashed fresh food. Fresh produce has many health benefits, but eating raw fruits and vegetables occasionally puts you at risk for food poisoning from pathogens including Salmonella, E. coli, and Listeria.learn more about bacteria here: https://brainly.com/question/6941760
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The ______ function shall suspend execution of the calling thread until status information for one of the terminated child processes of the calling process is available
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The wait function will suspend execution of the calling thread until status information for one of its terminated child processes is available.
The wait function will suspend execution of the calling thread until status information for one of its terminated child processes is available, or until delivery of a signal whose action is either to execute a signal-catching function or to terminate the process.Until one of its child processes ends or a signal is received, a call to wait() pauses the caller process. Parent process continues to run after wait system call command after child process exits.Child process may terminate due to any of these:From main, it calls exit() and returns (an int).When a signal is received (by the OS or another process), its default response is to terminate.learn more about Child process here: https://brainly.com/question/17925458
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After teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia a as involving a problem with?
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After teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia A as involving a problem with Factor VIII.
What is hemophilia A?Hemophilia A is a type of blood disorder that is genetically related to the deficiency of clotting factor VIII.
This usually affects the males and females are usually the disorder carries.
Therefore, after teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia A as involving a problem with Factor VIII.
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You go on a canoe trip to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. This ecosystem is cold most of the year and receives plenty of rainfall. It has many lakes that are full of walleye pike fish. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton). In this system, the zooplankton are the
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Walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton). In this system, the zooplankton are the primary consumer.
Zooplankton is animal plankton that is bigger in size than phytoplankton. The zooplankton is made out of both primary consumers which eat free-drifting algae, and secondary consumers, which feed on other zooplankton. These creatures are consumers since they should eat preformed organic compounds to endure in the ecosystem. Thusly, zooplankton then becomes nourishment for a bigger, secondary consumer like fish. Zooplankton incorporates microscopic and macroscopic life organisms and is of various kinds, and their food sources are vary extensively.
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A water molecule has the ability to form up to _____ hydrogen bonds with other water molecules
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Answer:
A water moecule has the ability to form up to oxygen atoms and hydrogen bonds with other water molecules.
What are the two forms that DNA takes in a bacterial cell
Answers
Answer:
bacterial plasmids and phages.
Explanation:
they make up and combine back into a bacterial DNA cell.
Some white fat cells can undergo a process known as browning as they take on characteristics of brown fat, most notably the activity of uncoupled proteins. What are these fat cells called
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According to the research, brite adipocytes take on characteristics of brown fat, most notably the activity of uncoupled proteins.
What are adipocytes?They are a type of cell that are located exclusively in the adipose tissue of the areas that are responsible for accumulating fat.
Brite adipocytes are those adipose cells similar to brown adipocytes that can accumulate in the classic deposits of white adipose tissue.
Therefore, we can conclude that according to the research, brite adipocytes take on characteristics of brown fat, most notably the activity of uncoupled proteins.
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write any two difference between haploid cell and diploid cell.
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Haploid cells contain only one set of Chromosomes (n). Diploid, as the name indicates, contains 2 sets of chromosomes (2n). Haploid cells are formed by the process of meiosis. Diploid cells undergo mitosis.
It’s kartik here!
Answer:
Explanation:
A diploid cell has two sets of chromosomes (one each from the male parent and female parent).
A haploid cell has only one set of chromosomes.
The haploid generation gives birth to plants with diploid cells.
Swallows return to the same nesting colony every year, sometimes even the same nest. What's the best explanation for this behavior
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Swallows like to reuse their nests year after year and make them out of mud pellets.
The process of building a nest requires a lot of energy, and swallows can make over 1,000 journeys. Unoccupied nests are taken over by new pairs.
Most songbirds only utilize a nest for one clutch or breeding season before building a new one, assuming they live to reproduce again. However, one study found that 44% of pairs of swallows returned to the same colony and used the same nest.
The material used to construct the nests is the main distinction between the two nests. Grass, sticks, and other materials are employed in the case of weaver birds. A swallow's nest is constructed of moist mud as well.
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