Answers
Answer:
hi there!!
Explanation:
It is gaining water because it is growing.
Related Questions
which phase best describes meiosis I?
Answers
Answer:
Division of homologous chromosomes.
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List the accessory organs of the digestive system and explain why they are called accessory
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The salivary glands, liver and gall bladder, and the pancreas aid the processes of ingestion, digestion, and absorption. These accessory organs of digestion play key roles in the digestive process. Each of these organs either secretes or stores substances that pass through ducts into the alimentary canal.
Explanation:
If you think of the digestive tract for what it is, it's a hollow tube that starts at the mouth and ends at the anus. It becomes not only rather amusing to think about, but it also helps to discern what is classed as a 'main organ', and what is classed as an 'accessory organ'.
First, we put food into our mouth where it is chewed and manipulated into manageable portions with our teeth and tongue, and also begins to get broken down by enzymes in our saliva; produced in the salivary glands . Here, the teeth, tongue and salivary glands are acting as accessories to digestion.
The food is then swallowed, where it travels down through the oesophagus before entering the stomach. These are both main organs. Whilst in the stomach, gastric juices break down the food and it is thoroughly churned up; it's worth noting that the stomach absorbs very few of the nutrients from food.
Once the stomach has done its work, the food is released into the small intestine, one of the main digestive organs, which is divided into three main parts. The first portion, the duodenum receives the food, and the liver/gall-bladder and pancreas act as accessory organs by secreting a range of enzymes directly into the duodenum via a series of ducts so that food can be further digested and broken down.
When this has been achieved, the waste begins to move into the jejunum, the second part of the small intestine, where nutrients are absorbed from the digested slurry. From there, it moves into the last portion of the small intestine, ileum, where any remaining nutrients are removed from the waste before it passes into the final main organ, the large intestine. Almost all nutrition has been absorbed by this point, so the primary purpose of the large intestine is to reabsorb as much of the water as it can from the waste.
The first portion of the large intestine is known as the caecum, and it is to this that the appendix protrudes. From there, it moves upwards via the ascending colon, until it reaches a bend that transitions into the transverse colon; which moves the waste across the abdomen before it hits the next bend, where the it becomes the descending colon. From here the now solid matter moves through the sigmoid colon, and into the rectum where it is free to be expelled as faeces, or poop.
To summarize this process:
The accessory organs are teeth, tongue, salivary glands, the pancreas and the liver/gall-bladder.
The main organs are the mouth, oesophagus, stomach, small intestine (duodenum, jejunum and ileum), and the large intestine (caecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum), and anus.
explain how a lighting is
formed
Answers
Answer:
Because opposites attract, the negative charge at the bottom of the storm cloud wants to link up with the ground's positive charge
Explanation:
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Do green hermit hummingbirds pollinate?
Answers
Answer:
Yes, green hermit hummingbirds pollinate.
As they feed on nectar, hummingbirds inadvertently transfer pollen from the stamen (male reproductive organ) of one flower to the stigma (female reproductive organ) of another flower. This pollination process enables plants to reproduce and produce seeds, ensuring their survival and genetic diversity.
Green hermit hummingbirds, like other hummingbird species, have long, curved beaks that are adapted for accessing the nectar deep within tubular flowers. As they insert their beaks into the flower, their heads and bodies come into contact with the flower's reproductive structures, facilitating pollen transfer between flowers.
While specific plant species rely on particular pollinators, green hermit hummingbirds are known to pollinate various plants, including those with red or orange tubular flowers that are well-suited for their feeding habits.
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16
seaweed floating on the ocean surface is
(1 Point)
a) planktonic
b) nektonic
c) benthic
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what type of cell causes water to flow through a sponge and helps it trap food?
Answers
Answer:
Explanation:
Flagella
What is the value of transitional epithelium in the urinary system?.
Answers
Answer:
Unlike the mucosa of other hollow organs, the urinary bladder is lined with transitional epithelial tissue that is able to stretch significantly to accommodate large volumes of urine. The transitional epithelium also provides protection to the underlying tissues from acidic or alkaline urine.
Explanation:
which of the following would be a quantitative observation
a. the attractiveness of the tail feathers of a male peacock is compared
b. butterfly wings are assessed to see which is the most orange in appearance
c. the height of radish seedlings is measured
d. the odor of different plants is compared to see which smells the worst
Answers
Answer:
c. the height of radish seedlings is measured
Explanation:
Quantitative measurements revolve around the quantity of things and exact measurements. The measured height of a radish seedling is the perfect example of that.
Memory technique:
Quantitative observations involve quantity (numbers).Qualitative observations involve quality (descriptions, features, i.e. color, smell, shape)Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?
The number of hydrogen bonds that hold the strands of DNA together.
The number of hydrogen bonds that hold the strands of DNA together.
The number of carbons in the DNA molecule.
The number of carbons in the DNA molecule.
The sequence of nucleotide bases in the DNA molecule.
The sequence of nucleotide bases in the DNA molecule.
The sequence of phosphates along each DNA strand.
The sequence of phosphates along each DNA strand.
Answers
Answer: The sequence of nucleotide bases in the DNA
Explanation: The sequence of the nucleotides directly code for each trait. The genetic code is contingent on the sequence of the bases- if the order is changed (you will learn about this in genetic mutation), it would create a different code, which could possibly create a totally different gene depending on which base is changed.
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The sequence of nucleotide bases in DNA molecules is responsible for the direct coding of specific traits in an organism
What is DNA?Every living thing has self-replicating genetic material called DNA. It is a repository for all genomic data. It contains instructions that let organisms to develop, grow, survive, and reproduce. It's a big molecule with a genetic "code" in it. The foundation of human development is this genetic code. However, external factors including diet, lifestyle, and the environment influencing human evolution may have an impact.Nucleotide molecules, which make up DNA, are its constituent parts. The carbon-sugar group, phosphate group, and nitrogen base are the three elements that make up a DNA molecule. The four other nitrogen bases are adenine (A), cytosine (C), guanosine (G), and thymine (T).3 billion base pairs make up the distinctive human DNA, which is what makes it unique. But 99.9% of them are universal to humans. What information must be coded in order to support the growth and development of the organism is determined by the order of these bases. During transcription, when DNA is copied, a substance called as RNA is produced (Ribonucleic Acid). It is this RNA's job to convert genetic information from DNA to protein, which is then read by ribosomes.To learn more about DNA, refer to https://brainly.com/question/16099437
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If a plant is grown in the absence of gravity, which type of phototropism will its roots exhibit, and where will auxin accumulate?.
Answers
a student asks the pharmacology instructor to explain the action of anticholinergic agents. what would be the instructor's best response?
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The instructor's best response would be to explain that anticholinergic agents inhibit the action of the neurotransmitter acetylcholine, leading to various physiological effects.
Anticholinergic agents are drugs that block or inhibit the action of acetylcholine, a neurotransmitter in the body. Acetylcholine is involved in transmitting nerve signals and is responsible for various functions such as muscle contraction, regulation of heart rate, and secretion of glands.
By inhibiting the action of acetylcholine, anticholinergic agents disrupt the normal functioning of the parasympathetic nervous system, which is responsible for rest and digestion.
This leads to a range of physiological effects, including relaxation of smooth muscles, decreased secretions, increased heart rate, and dilation of pupils. The instructor can further elaborate on specific examples and applications of anticholinergic agents in clinical settings.
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Beth broke her ankle bone. The doctor gives her a
brochure on foods she can eat to help restore the
health of her bones. Which element will help Beth
strengthen the bone?
Answers
Answer:
Calcium
Explanation:
Calcium is the healthy bone mineral. About 99% of the calcium in the body is stored in the bones and teeth. It's the mineral that makes them hard and strong. The remaining 1% is needed for many activities that help keep the body functioning normally.
Answer:
Phosphorus will strengthen her bones.
Explanation:
There are a wide number of dietary minerals that are involved in the strengthening of bones. But among all of them, calcium and phosphorus are the key minerals that play an active role in providing strength to the bones. Phosphorus keeps the bones healthy and strong. It also helps in the growth of bones.
Low amounts of phosphorus can lead to thinning of the bones, a disease termed as osteoporosis.
what can we conclude about a fossil hominin that has a canine fossa?
Answers
A fossil hominin with a canine fossa indicates the presence of large, projecting canine teeth.
This suggests a potential adaptation for gripping and tearing food, possibly indicating a more carnivorous or omnivorous diet. Canine fossae are often associated with early hominins like Australopithecus species, known for their robust skulls and dentition. However, drawing conclusions solely from the presence of a canine fossa may be limited, as other factors such as dental wear patterns, cranial morphology, and the overall context of the fossil must be considered to gain a comprehensive understanding of the species' ecology, behavior, and evolutionary relationships.
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Dynein feet Group of answer choices are found on microtubules in cilia and flagella and cause movement by grabbing and pulling at adjacent microtubule doublets. are knobs of carbohydrate that are essential to the movement of cilia and flagella. are present in cilia but not in flagella. are the anchoring proteins in basal bodies.
Answers
Answer:
The correct answer is - are found on microtubules in cilia and flagella and cause movement by grabbing and pulling at adjacent microtubule doublets.
Explanation:
Dynein feet or arm is made up of dyneins a family of cytoskeletal motor proteins that present on microtubules in flagella or cilia or both and drives the beating motion of cilia and flagella.
These form the rows of arms or feet inside and outside, associated with the doublet microtubules of motile cilia that produce microtubule sliding to move along. It gets its energy through ATP hydrolysis.
What are the two alleles for tongue rolling?
Answers
To increase the strength of a nerve signal, neurons will
A. increase the frequency of the action potential.
B. increase the voltage of the action potential.
C. decrease the frequency of the action potential.
D. decrease the voltage of the action potential.
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To increase the strength of a nerve signal neurons will : ( A ) Increase the frequency of the action potential
What is a nerve signal
A nerve signal is a charge that runs through a nerve fiber and travels down to another neuron. As the strength of a nerve signal increases there is a proportionate increase in the frequency of the action potential because the strength of a nerve signal ( stimulus strength ) is directly proportional to the frequency of the action potential.
Hence we can conclude that To increase the strength of a nerve signal neurons will : ( A ) Increase the frequency of the action potential.
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For which pathogen are personnel not vaccinated against when they work with nonhuman primates?
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Personnel working with nonhuman primates are not typically vaccinated against Simian Immunodeficiency Virus (SIV), a virus similar to HIV that affects primates.
Although SIV does not infect humans, it can be transmitted to humans through bites or scratches from infected animals. However, SIV does not cause illness in humans. As a precautionary measure, personnel working with nonhuman primates follow strict safety protocols, such as wearing personal protective equipment and receiving regular medical check-ups, to minimize the risk of transmission. Vaccinations are primarily focused on protecting against human pathogens, while measures are taken to prevent exposure to nonhuman primate pathogens.
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looking at the animal cell diagram above, identify the organelle(s) involved in the process of building proteins
Answers
Answer:
I dont see any diagram but in general, the organelles are the nucleus, ribosomes, ER, golgi apparatus, and vesicles
Explanation:
The nucleus contains the genetic code and creates the "orders" for the ribosomes
The ribosomes synthesize the proteins
The (rough) endoplasmic reticulum contain ribosomes
The golgi apparatus and vesicles transport and modify proteins
Good afternoon, I am struggling with this question may someone help me figure it out?
"It is said that the microbiota of a human represents 2% of its mass. Explain how this number was found. Compare the average number of cells."
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Answer:
There are trillions of microorganisms in the human body. That number is more than 1 in 10. However, because of their small size, microbes only make up about 1-3% of body mass, but they play an important role in human health.
Shawna is writing a paper for her science class, and she wants to include a list of luminous objects. These are objects that produce and emit
their own light. Objects that are not luminous, also called illuminated objects, only reflect light.
Which list should Shawna add to her paper?
Answers
Answer:
The sun, the star Proxima Centauri, and the star Polaris.
Explanation:
The sun and stars emit light on their own, therefore they are luminous.
The nucleus contains which are the hereditary material of the cell.
A Vacuoles
B Chromosomes
C Mitochondria
D Chloroplast
help!
Answers
Answer:
b chromosomes
Explanation:
It's in the middle of the cell, and the nucleus contains all of the cell's chromosomes, which encode the genetic material.
Ned observed an unknown chemical (A) reacting with hydrochloric acid (HCl). The reaction formed potassium chloride salt (KCl) and another unknown substance (B). Ned wrote down what he knew about the reaction: A + HCl KCl + B From this information, Ned inferred that unknown substance A was potassium (K) and that unknown substance B was hydrogen (H2). What is another logical interpretation of this data? A. A is chlorine (Cl2) and B is hydrochloric acid (HCl). B. A is potassium hydroxide (KOH) and B is water (H2O). C. There is no way to infer what the unknown substances are from the given information.
Answers
Another logical interpretation of this data is option(b) i.e, A is potassium hydroxide (KOH) and B is water (H2O).
Often found in a water solution, potassium oxide is an odorless, white, or slightly yellow, flaky, or lumpy solid. It is employed in the production of soap, the lithographic process, paint and varnish removers, electroplating, and as an electrolyte in alkaline batteries. Potassium Hydroxide makes up 25 to 36% of liquid drain cleaners.
Numerous industries employ caustic potash, often known as potassium hydroxide. It is employed in the production of various compounds, fertilizers, the chemical sector, mining, potassium soaps, and detergents. Potassium hydroxide's primary use in cosmetic and skincare products is to maintain a product's pH balance. Skincare product compositions must take the pH of the product into consideration. If a product's pH is overly basic or acidic,
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Which sentence BEST explains how a unicelullar organism gets nutrients?
Answers
Since unicellular organisms are composed of just one cell, this means that they cannot have tissues, organs, or systems, so A, C, and D are simply not possible.
B, it takes the nutrients through the cell membrane, would be the correct answer.
brown fat cells produce a protein called thermogenin in their mitochondrial inner membrane. thermogenin is an ion channel that facilitates diffusion of protons across the membrane. what will occur in the brown fat cells when thermogenin is present in their inner mitochondrial membranes?
Answers
Brown fat cells produce a protein called thermogenin, which facilitates the diffusion of protons across the mitochondrial inner membrane. When thermogenin is present in the inner mitochondrial membrane of brown fat cells, it generates heat through a process called non-shivering thermogenesis.
Brown fat cells, also known as brown adipocytes, are specialized cells that are found primarily in hibernating animals and human infants. Unlike white fat cells, which store energy in the form of triglycerides, brown fat cells generate heat through a process called thermogenesis. This process is mediated by the protein thermogenin, which is found in the inner mitochondrial membrane of brown fat cells.
Thermogenin functions as an ion channel that allows protons to diffuse across the inner mitochondrial membrane, uncoupling the proton gradient from ATP synthesis. This results in the generation of heat instead of ATP, a process known as non-shivering thermogenesis.
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A 100x lens is also known as what?
Answers
Answer:Most compound microscopes come with interchangeable lenses known as objective lenses. Objective lenses come in various magnification powers, with the most common being 4x, 10x, 40x, and 100x, also known as scanning, low power, high power, and (typically) oil immersion objectives, respectively.
Explanation:Hope this helped u also may i plz have brainlist only if u wanna give me brainlist though! Have an great day kind sir or ma'am.
I want to give people some points so my question is...
IS THE SKY BLUE?
Answers
Answer:
yeah, common sense when its raining it isn't it is grey, when its sunny it is sky blue
Explanation:
What are the effects of food safety practices?.
Answers
For the purpose of preventing the spread of pathogens from food handlers to consumers, good personal hygiene and food handling techniques are crucial.
Food safety is still a major issue in both developed and developing countries for consumers, food businesses, and food control agencies. Food-borne diseases (FBDs) are linked to outbreaks, pose a threat to the safety of the world's public health, and are a global issue. A growing public health concern is food safety. Significant rates of morbidity and mortality are brought on by FBD. It is challenging to estimate the incidence and costs of food-borne illnesses globally. However, according to studies, 2.1 million people die annually as a result of foodborne illness without getting hygiene food.
The WHO claims that the lack of infrastructure, poor understanding, and unhygienic food handling practices contribute to the seriousness of FBDs in developing countries.
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Do stars move or do we?
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Place the events of the lifetime of a lymphocyte in the correct sequence.
Beginning of lymphocyte lifecycle
- formation and maturation in red bone marrow and thymus
- become able to recognize only one specific foreign antigen
- migration to spleen, tonsils, lymph nodes, and MALT
- have first exposure to antigen in which they bind
- replicate to make identical cells
- effector functions carried out to eliminate pathogens
End of lymphocyte lifecycle
Answers
"The correct sequence of events in the lifetime of a lymphocyte is as follows":
1. Beginning of lymphocyte lifecycle
2. Formation and maturation in red bone marrow and thymus
3. Become able to recognize only one specific foreign antigen
4. Migration to spleen, tonsils, lymph nodes, and MALT
5. Have first exposure to antigen in which they bind
6. Replicate to make identical cells
7. Effector functions carried out to eliminate pathogens
8. End of lymphocyte lifecycle
In this sequence, the lymphocyte develops, matures, recognizes foreign antigens, migrates to specific tissues, encounters and binds to antigens, replicates, carries out its effector functions, and finally, reaches the end of its lifecycle.
Lymphocytes are a type of white blood cell (leukocyte) that play a crucial role in the immune system. They are primarily responsible for identifying and attacking foreign substances, such as pathogens (bacteria, viruses, etc.), abnormal cells, and other antigens.
There are three main types of lymphocytes:
1.B cells (B lymphocytes): B cells are involved in the humoral immune response. When they encounter an antigen, they can differentiate into plasma cells, which produce and secrete antibodies specific to that antigen. Antibodies help neutralize pathogens and enhance their removal from the body.
2.T cells (T lymphocytes): T cells are involved in cell-mediated immune responses. They are further divided into several subtypes, including:
Helper T cells (CD4+ T cells): These cells coordinate immune responses by recognizing antigens presented by antigen-presenting cells (APCs) and releasing chemical signals (cytokines) to activate other immune cells.Cytotoxic T cells (CD8+ T cells): Cytotoxic T cells directly kill infected or abnormal cells by releasing cytotoxic molecules, such as perforin and granzymes, which induce cell death.Regulatory T cells (Tregs): Tregs play a critical role in maintaining immune tolerance and preventing autoimmune reactions by suppressing excessive immune responses.3.Natural Killer (NK) cells: NK cells are a type of lymphocyte that participates in both the innate and adaptive immune responses. They are capable of recognizing and killing infected cells and tumor cells directly, without prior sensitization.
Lymphocytes are produced in the bone marrow and mature in the thymus (in the case of T cells) or bone marrow (in the case of B cells). They circulate throughout the body in the lymphatic system and blood, surveying for potential threats and mounting immune responses when necessary.
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Contractile cells of the heart are different from pacemaker cells in that contractile cells (choose all correct)
a.) have calcium action potentials
b.) control rate of contraction
c.) have a calcium plateau and a long refractory period
d.) have a true resting potential
Answers
Contractile cells of the heart differ from pacemaker cells in that they have a true resting potential and have calcium action potentials, but do not control the rate of contraction. Options a and d are correct.
Contractile cells are the working cells of the heart responsible for the contraction and relaxation that pumps blood throughout the body. They have a true resting potential that is maintained by the sodium-potassium pump. When depolarized, they have a rapid influx of sodium, followed by a plateau phase that is maintained by the influx of calcium, and finally repolarization occurs with the efflux of potassium.
This plateau phase is much longer than that of pacemaker cells, which allows for sustained muscle contraction and a longer refractory period, preventing summation of contractions. In contrast, pacemaker cells generate spontaneous action potentials and control the rate of contraction in the heart. Hence Options a and d are correct.
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