Answer:
The cell wall is mainly present in plant cells while the cell membrane is present in the animal cell. The cell wall is made of cellulose whereas cell membrane lipids and proteins The cell wall is completely permeable while the cell membrane is semi-permeable
The cell wall is mainly present in plant cells while the cell membrane is present in the animal cell. The cell wall is made of cellulose whereas cell membrane lipids and proteins The cell wall is completely permeable while the cell membrane is semi-permeable.
thxs ;)
Which of the following is NOT one of the Nervous System Functions?. Single choice.
(1 Point)
1.To detect changes and feel sensations
2. To initiate appropriate responses to changes
3. To organize information for immediate use and store it for future use
4. Absorb extra fluid between the cells
Answer:
4. Absorb extra fluid between the cells
Explanation:
The nervous system (SN) is a complex system that acts to receive sensory information through nerves, transmit this information via the spinal cord and finally process it in the brain. The SN has three main roles: sensory input, processing and motor output. The SN can be divided into the central nervous system (composed of the brain and spinal cord), and the peripheral nervous system (composed of those nerves located outside the brain and spinal cord). Moreover, the extracellular fluid between the cells comprises four types of fluids: 1-intravascular fluid (blood), 2-interstitial fluid, 3--transcellular fluid and 4-cerebrospinal fluid. The excess of these fluids is absorbed by the capillaries of the lymphatic system.
Which of the following statements about current theories on global warming is true?
a. Scientists generally agree that global warming is taking place.
b. Some scientists think that we should accelerate global warming.
C. The scientific community disagrees about whether we should take action about global
warming
d. Cutting down trees and burning fossil fuels does not lead to global warming.
Please select the best answer from the choices provided
А A
B
С
Answer:
A. they pretty much all think there is global warming
Answer:
it is
a.
Scientists generally agree that global warming is taking place.
Explanation:
edge 2021
PLEASE HELP ITS DUE IN 3 HOURS!! 6. Match the correct definition to each vocabulary term:
Answer:
In order from top to bottom
C
A
E
D
B
Explanation:
1) Reflection is when a ray hits something reflective then bounces back. For example, light reflects off a mirror, which is why you can see yourself in a mirror.
2) Wavelength measures the size of a wave. It is measured from the crest or trough of one wave to the crest or trough of another.
3) Refraction occurs when waves go through different mediums at different speeds. This is why a straw looks bent when in water.
4) Frequency is a way of measuring the speed of a wave. It shows how many waves pass every unit of time.
5) Absorption means that all of the waves were absorbed into the medium and none of them passed through.
Tongue rolling is a dominant trait. Explain why it is possible for both parents being able to roll their tongue but their biological child is not able to do so.
Answer:
The answer is 0 ( AKA A )
Explanation:
Parents form the same type of gene, which is Rr. Since all the genes are the same, there can not be a chance that the offspring can not roll the tongue. Next time focus on your work!! :3
Why was the evolution of cyanobacteria such a significant event in Earth's history?
Answer:
Cyanobacteria are blue-green algae that produce chlorophyll and undergo photosynthesis. Oxygen, a byproduct of that photosynthesis, was released into the atmosphere, changing it in such a way that it may have allowed the evolution of more complex forms of life.
Explanation:
Right on ED2021 practice, goodluck! :) Happy holidays!
The increased availability of genetically modified food has
A)
made such products commonly acceptable.
B)
eliminated famine in developing nations.
C)
made food cheaper to grow in drought areas.
D)
created controversy in the field of bioethics.
Answer:
B.
Explanation:
This way poorer countries no longer spend so much for so little.
If Mary is born with a genetic disease that causes her to have half a heart instead
of a full one. What is the cause of this disorder? Make sure to mention DNA,
RNA, and Proteins.
Introduction: In 1915, a German scientist named Alfred Wegener proposed the theory of continental drift. According to this theory, the landmasses once were joined into a supercontinent called Pangaea. The landmasses then slowly drifted to their current positions.
Question: What did Pangaea look like?
If South America were close to Africa. If you look at their coastlines, what do you notice?
Answer:
Pangaea, which looked like a C, with the new Tethys Ocean inside the C, had rifted by the Middle Jurassic, and its deformation is explained below.
Explanation:
In gout, both serum and synovial fluid will have increased levels of:
In gout, both serum and synovial fluid will have increased levels of uric acid.
Gout is a type of arthritis characterized by the accumulation of urate crystals in joints, which leads to inflammation and severe pain. Uric acid is a natural byproduct of purine metabolism in the body.
Normally, uric acid is dissolved in the blood and excreted through the kidneys. However, in individuals with gout, there is either an overproduction of uric acid or a decreased ability to excrete it, resulting in elevated levels in the bloodstream.
The excess uric acid can precipitate and form crystals in the synovial fluid, which is the lubricating fluid found in joints. These crystals trigger an inflammatory response, causing pain, swelling, and redness characteristic of gout attacks.
The deposition of urate crystals in the synovial fluid can be confirmed by analyzing the fluid obtained through joint aspiration.
Furthermore, since uric acid is elevated in the bloodstream, it is also reflected in the serum levels. Blood tests can measure the serum uric acid levels to aid in the diagnosis of gout.
Therefore, in gout, both serum and synovial fluid will have increased levels of uric acid, reflecting the underlying metabolic imbalance in purine metabolism.
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Organelles are found in...
A. the blood stream of complex organisms.
B. inside most cells.
C. constantly moving between cells.
Answer:it’s C
Explanation:
What form of electromagnetic radiation do microwaves use?
Answer:
Microwave ovens work by using 2.45 GHz frequency electromagnetic waves know as microwaves to heat the water in food.
a microwave oven uses microwaves to heat food. Microwaves are a type of wave that are sandwiched between radio waves and infrared radiation on the electromagnetic spectrum.
Explanation:
- Eijiro <3
A mating between a purebred purple-flowered pea plant and a purebred white-flowered pea plant would be called a ________.
a. pedigree analysis
b. test cross
c. monohybrid cross
d. dihybrid cross
A monohybrid cross is created when a white-flowered pea plant and a purebred purple-flowered pea plant mate. One plant was tall, while the other was small. They were both homozygous. Hence (c) is the correct option.
A tall plant's genotype (genetic makeup) was TT, while a short plant's genotype was tt. Mendel crossed the two plants, resulting in F1 generation (first filial generation) offspring or descendants. Two alleles of a single gene control the colour of seeds. The green-seed gene is recessive, whereas the yellow-seed allele is dominant. All of the F1 hybrid progeny had yellow seeds when true-breeding plants were crossed, when one parent had yellow seeds and the other had green seeds.
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This shows cardiac muscle. This type of muscle is *
Answer:
Involuntary
Explanation:
Hope that helps ;)
Answer:
Involuntary
Explanation:
Cardiac muscle is also an involuntary muscle, found only in the heart. The cardiac muscle fibers all contract together, generating enough force to push blood throughout the body.
Hydraulic fracturing technology is used to produce nuclear power.
a. True
b. False
Answer:
False
Explanation:
Polar bears live in extreme conditions. Describe some of the physical traits that
polar bears have to get what they need and avoid threats in their environment?
Answer:
Thick fur,soles on their paws, white fur.
Explanation:
They need the thick fur to help them with the cold weather.
soles on their paws help with slippery ice,white fur gives camouflage and they have no natural predators.
Which of the following nutritional components will the nurse encourage a patient to consume as it is needed for erythropoiesis?
a. Vitamin B1
b. Vitamin D
c. Zinc
d. Cobalamin
The following nutritional component will the nurse encourage a patient to consume as it is needed for erythropoiesis is Cobalamin or Vitamin B12.
What is erythropoiesis?
Erythropoiesis is the process by which red blood cells (erythrocytes) are formed. The body's bone marrow contains stem cells that can develop into red blood cells. The average lifespan of a red blood cell is approximately 120 days before it is broken down and eliminated by the body.
What is Cobalamin or Vitamin B12?
Cobalamin, also known as Vitamin B12, is a water-soluble vitamin that aids in the formation of red blood cells and DNA, as well as the proper functioning of the nervous system. Vitamin B12 is primarily found in animal products, including beef, pork, poultry, eggs, and milk, so vegetarians and vegans may have difficulty obtaining enough vitamin B12 from their diet.A deficiency in vitamin B12 can result in anemia, or a reduction in the number of red blood cells, which can lead to fatigue, weakness, and other symptoms. A patient with a vitamin B12 deficiency may need to take supplements or receive injections in order to replenish their body's stores of this essential nutrient. A nurse would advise the patient to consume cobalamin or vitamin B12 as the nutritional component for erythropoiesis as it is needed for the formation of red blood cells.
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Figure 11-1
In which part of the cell does this process shown in Figure 11-1 take place?
Answer:
The correct answer is - in the ribosomes.
Explanation:
The translation is the process that takes place in the ribosomes attached to the endoplasmic reticulum where they decode the codons present in the form of the mRNA to the amino acid chain with the help of tRNA.
Ribosomes are called the factory of the protein. It involves triplet code to translate into the amino acid sequences to produce polypeptide chains or protein.
Thus, the correct answer is - in the ribosomes.
Which is true of BOTH the somatic and autonomic nervous system?
A) Both effect smooth muscle
B) Both have only 1 motor neuron
C) Both respond to stimuli
D) Both use baroreceptors
The only statement that is true for both the somatic and autonomic nervous systems is that they both respond to stimuli. Here option C is the correct answer.
The somatic nervous system and the autonomic nervous system are two major divisions of the peripheral nervous system. While they have distinct functions and control different aspects of our body, they do share certain similarities.
One such similarity is that both the somatic and autonomic nervous systems respond to stimuli. Stimuli can be internal or external changes that activate sensory receptors, triggering a response in the nervous system.
In the somatic nervous system, stimuli are detected by specialized sensory receptors, such as those responsible for touch, temperature, and pain, and the information is transmitted to the central nervous system for processing. In the autonomic nervous system, stimuli can include changes in the internal environment, such as blood pressure, body temperature, or the presence of certain hormones.
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What did Chargaff discover while studying bases in the DNA of organisms?
The bases in the DNA of each organism were unique.
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
The overall percentages of bases were different from one organism to the next.
There were equal amounts of all four bases in every organism, or 25 percent of each base.
Answer:
The overall percentages of bases were different from one organism to the next.
Answer:
The correct answer is c!:)
Explanation:
Hope this helps!:)
Which of the following is a negative consequence of the application of scientific knowledge?
Answer:
Industrial pollution is a negative consequence of the application of scientific knowledge.
Explanation:
mc1r and agouti genes are involved in pigmentation in humans and other animals. a study has shown maternal imprinting of an allele that causes yellow coloration (auv) in mice. the regular allele (a) causes dark coloration and it is not maternally imprinted. what patterns of inheritance should we see in the offspring?
The MC1R and Agouti genes are responsible for pigmentation in humans and other animals. A study has proven that an allele causing yellow pigmentation (auv) is subject to maternal imprinting in mice, while the regular allele (a) does not go through maternal imprinting and produces dark coloration. In the offspring, we should expect a non-uniform pattern of inheritance, with the maternally inherited auv allele causing yellow pigmentation and the paternally inherited regular allele causing dark pigmentation.
Imprinting refers to the gene expression phenomenon where the genetic material from one of the parents is preferentially silenced. In the case of a maternal imprinting of the auv allele in mice, only the maternally inherited allele will express yellow coloration, while the paternal allele that is inherited by the offspring will have no effect on pigmentation. As a result, the offspring that receive a maternal auv allele will display yellow pigmentation, and those who do not will display the dark coloration associated with the regular allele a.The inheritance pattern will be non-uniform as the phenotype depends on whether the offspring has inherited the maternal allele that is imprinted or the paternal allele.
Therefore, the results will be different if the allele that undergoes imprinting comes from the mother rather than the father, illustrating the importance of epigenetic modifications in gene expression and how these can result in non-Mendelian inheritance patterns.
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An ocean food chain is shown in the diagram above. Which organism represents the trophic level containing approximately 1% of the initial amount of solar energy acquired by the phytoplankton?
I believe the answer is copepods
Sand eels represent the trophic level containing approximately 1% of the initial amount of solar energy acquired by phytoplankton.
What is the food chain?The food chain is an ecological diagram used to represent the connections between different trophic levels.
In the food chain, energy flows from producers to primary consumers and so on.It has been shown that approximately 90% of energy is lost in the form of heat for each trophic level.In conclusion, sand eels represent the trophic level containing approximately 1% of the initial amount of solar energy acquired by phytoplankton.
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8. Analysis of a basalt rock sample shows that 12.5% of its radioactive potassium-40 remain undecayed.
How old is the basalt?
How can you call something "alive"? All living things share certain characteristics.
Part A: List the 9 characteristics of life. (1 point)
Part B: Choose 3 of the characteristics of life above. Give an example of each that describes how that characteristic contributes to the organism's survival. (3 points)
Explanation:
A - response to stimuli, reproduction, respiration (breathing), growth and development, regulation, homeostasis, energy processing, evolution,excretion.there's more but, I've only mentioned 9.
B -response to stimuli - by responding to stimuli the organism indicates the presence of nervous system and response to maintain survival.reproduction - by reproducing the organism is promoting the species' survival by maintaining it's presence for generations. respiration / breathing - this characteristic indicates gas exchange in an organism which, suggests metabolic reactions in the organism that provides it with necessary energy.hope this helps. :)
Explain the role of restriction enzymes vectors and plasmids in genetic engineering.
Restriction enzymes have a significant role in genetic engineering. They cleave DNA at specific sites and make it possible to splice DNA from one source into a vector or plasmid in a desired position. Vectors and plasmids are essential tools in genetic engineering. They are widely used to introduce foreign DNA into bacteria. They serve as a vehicle to carry foreign DNA into cells.The role of restriction enzymes in genetic engineering
Restriction enzymes are used to cleave DNA at specific sites, and the fragments obtained are spliced into a vector or plasmid in a particular orientation. The use of restriction enzymes in genetic engineering enables scientists to create specific fragments of DNA that can be precisely placed into a vector or plasmid.Vectors in genetic engineering. Vectors are used to introduce foreign DNA into bacteria. They are widely used in genetic engineering as a delivery mechanism for DNA. A vector is a DNA molecule that is used to carry foreign DNA into cells. The foreign DNA is then replicated along with the host DNA. A vector may also be used to express genes for therapeutic purposes.Plasmids in genetic engineering. Plasmids are another essential tool in genetic engineering. Plasmids are small, circular DNA molecules that replicate independently of the host DNA. They are often used to introduce genes into cells and are useful in gene therapy research. Plasmids can also be used to clone DNA fragments. They can be transferred between bacteria by a process called conjugation.
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Is there some limit to the height of the flight of stairs used
and the horsepower developed? Explain.
Most carbon dioxide is carried from the body tissues to the lungs _____. Most carbon dioxide is carried from the body tissues to the lungs _____. as bicarbonate ions (HCO3 -) combined with hemoglobin by the trachea as hydrogen ions (H ) dissolved in blood plasma
Answer:
As bicarbonate ions
Explanation:
Answer:
it a
Explanation:
yw
What option would be a good adaptation for an animal in a dense RAINFOREST? *
A. heavy body
B. ability to sprint
C. ability to blend with multiple colors and patterns
Answer:
c because they need to live instead of dying. bc from other bigger animals they can see it and eventually die so.
What is the greenhouse effect? How does it occur and why is it important? ps i didnt know what subject it was
Answer: The absorbed energy warms the atmosphere and the surface of the Earth. This process maintains the Earth's temperature at around 33 degrees Celsius warmer than it would otherwise be, allowing life on Earth to exist. Greenhouse gases keep our planet livable by holding onto some of Earth's heat energy so that it doesn't all escape into space. This heat trapping is known as the greenhouse effect. Just as too little greenhouse gas makes Earth too cold, too much greenhouse gas makes Earth too warm.
Explanation:
Decomposers (like bacteria and fungi) are not included in this food web. Explain the role of decomposers in nature. Why are they so important?
I NEED HELP WITH THIS PLEASE!!!!
Answer:
please give me brainlist and follow
Explanation:
Thanks to decomposers, nutrients get added back to the soil or water, so the producers can use them to grow and reproduce. Most decomposers are microscopic organisms, including protozoa and bacteria. ... Instead, fungi get all their nutrients from dead materials that they break down with special enzymes.