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The immune system works with the digestive tract to help protect you from infection by these potential invaders. Your immune system also depends upon cells to kill invading organisms, and chemicals that don't require the involvement of cells at all, but which are simply toxic to bacteria and viruses. Acid in the stomach does the same thing.
Related Questions
As a result of your Zombie Apocalypse, the grass at a local park will no longer be mowed. What type of succession is this (primary or secondary)? Describe the stages of succession that will occur in the next 100 years.
What type of succession is this depicting?
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Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.
Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.
In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.
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A population of snails is located in a lake that has a carrying capacity of 20,000 snails. The intrinsic capacity for increase for these snails is 0.15 and the current population is 12,000. In a year, how big do you expect the snail population to be?
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Total population of snails with the increase of intrinsic capacity after a year = 12,720 .
What do you mean by intrinsic capacity?The intrinsic capacity (IC), defined as the composite of all physical and mental capacities of an individual, is therefore proposed to also serve as a potential indicator of functional reserve in the aging process.
Moreover, the intrinsic qualities of something have to do with its nature. An intrinsic quality of dogs is that they're loyal. Anything intrinsic comes from within. Doing a job for only money is not intrinsic.
The most commonly used tools for assessing intrinsic capacity were gait speed test and chair stand test (locomotion); handgrip-strength and mini-nutritional assessment (vitality); Mini-Mental State Examination (cognition); Geriatric Depression Scale (GDS) and Center for Epidemiological Studies Depression Scale (CES-D).
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Describe and account for the relationship between the two population growth curves between hares and lynx.
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Answer:
The lynx's principal food source is the snowshoe hare. These two species' population cycles are intertwined. When hares are abundant, lynx consume almost nothing else and kill two hares every three days. When hares are sparse, lynx eat mice, voles, squirrels, grouse, ptarmigan, and carrion.
A table in a room is like a
B. Not alive
D. 46 Total
E Nucleus
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Answer:
nucleus im pretty sure haha
Explanation:
Please help me ASAP
*please write down what goes in the second blank
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Krebs cycle occurs in the matrix of the mitochondria and requires oxygen.
What is Krebs cycle?Krebs cycle is a series of enzymatic reactions that occurs in all aerobic organisms. It involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.
The Krebs Cycle is also called the citric acid cycle. After glycolysis breaks glucose into smaller 3-carbon molecules, the Krebs cycle transfers the energy from these molecules to electron carriers, which will be used in the electron transport chain to produce ATP.
Krebs cycle specifically requires the presence of oxygen to occur, hence, is termed an aerobic process.
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Does a virus have DNA, RNA, or both to carry its genetic material
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Answer:
it was one of either it depends so Both
Explanation:
Explanation: took course
how was the San Andreas Fault formed?
the creation of land in a subduction zone
consistent seismic activity
the kinetic energy in a rift valley
two plates moving past each other
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Answer:
The correct answer is - two plates moving past each other.
Explanation:
The San Andreas Fault is a boundary or long valley that present at or represent the two different tectonic plates, North America plate meets the Pacific plate.
The origin of this valley is almost 30 million years ago in California. At that time both tectonic plates the Pacific Plate and the North America plate first met and slid past one another to make a boundary called a strike-slip fault. These are cause the biggest earthquakes.
Answer:two plates moving past each other
Explanation:
Difference between ribozymes and RNA
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Answer:
They're the same thing, a ribozyme is a ribonucleic acid (RNA) enzyme that catalyzes a chemical reaction. The ribozyme catalyses specific reactions in a similar way to that of protein enzymes. Also called catalytic RNA, ribozymes are found in the ribosome where they join amino acids together to form protein chains.
How can you find the density of a blow up balloon?
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If you grew up with a family pet, then you have surely noticed that they often seem to hear things that you don’t hear. Now that you’ve read this section, you probably have some insight as to why this may be. How would you explain this to a friend who never had the opportunity to take a class like this?
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Answer:
force
Explanation:
you should force him so that he can hear or get the lesson you told him
Make a table to show 3 biological macromolecules that a great white shark needs to grow. Your table should have the following columns: molecule name, subunit name, function of molecule, and picture of molecule.
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The macromolecules to be analyzed are
Create a flow chart to represent
and describe the process of urine
formation in the kidneys
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Start -> Filtration -> Reabsorption -> Secretion -> Concentration -> Urine
Description of the process:
1. Filtration: The process of urine formation begins with the filtration of blood in the glomerulus, a network of small blood vessels called capillaries. The glomerulus filters blood by forcing fluids and small molecules through the walls of the capillaries and into the Bowman's capsule.
2. Reabsorption: The filtered fluid then moves through the proximal tubule of the nephron, where essential substances such as glucose, amino acids, and salts are reabsorbed back into the bloodstream.
3. Secretion: In the next stage, the filtrate passes through the loop of Henle, where more water and electrolytes are reabsorbed. This is followed by the distal tubule where hydrogen ions, potassium ions, and some drugs are secreted into the filtrate.
4. Concentration: In the final stage, the filtrate reaches the collecting duct, where water is reabsorbed, and the urine is concentrated. The concentration of urine is controlled by the hormone ADH (antidiuretic hormone), which regulates the amount of water that is reabsorbed into the bloodstream.
5. Urine: Once the urine is formed, it is transported from the kidneys to the bladder, where it is stored until it is expelled from the body during urination.
End of the process.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
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Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
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The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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Which factor is least likely to affect the results and interpretation of a functional MRI?
cancerous growth
prescription medication
a sinus infection
caffeinated soda
Answers
Answer:
None of the given options is correct. The correct solution is "Sprained ankle".
Explanation:
Brain activation is assessed by functional MRI via identifying causes an increase in blood flow. The assumption that brain blood flow and neural activity are linked is the basis of this methodology.MRI allows excellent visualization of the structure of the ankle, allowing ligament defects and their related osteochondral including tendon disorders to be correctly identified. In patients with such an uncertain psychiatric history although with equivocal otherwise complicated psychiatric exams, MRI can be particularly useful for early diagnosis of syndesmotic lesions.All those other alternatives are not linked to a working MRI. Then the option above is appropriate.
Answer:C) a sinus infection
Explanation:
What are enzymes composed of
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Answer:
Enzymes are biological catalysts that accelerate chemical reactions by lowering the activation energy. Enzymes are proteins consisting of one or more polypeptide chains. Enzymes have an active site that provides a unique chemical environment, made up of certain amino acid R groups (residues).
The cell theory was developed after matthius schleiden and theodor schwann concluded thatboth plants and animals were composed of cells. Other scientists including Rudolph Virchowlater made contributions that added to the cell theory. which of the following led to the earlydevelopment of the cell theory?|A. The finding that energy now occurs within cells.B. the proposal that traits were passed from cell to cell.C. the discovery that chemical composition is similar for all cells.D. the use of microscopes that allowed for the in depth examination of cells.
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The correct answer is D. the use of microscopes that allowed for the in depth examination of cells. The microscope was the critical technological advance that enable scientist to realize all living beings were made of cells.
Drag the tiles to the correct boxes to complete the pairs.
Match the mRNA sequences to their DNA sequences.
AUUACGCAU
CCGAAAUGU
GAUCAUUAC
UUUUUAACG
AAAAATTGC
arrowRight
GGCTTTACA
arrowRight
TAATGCGTA
arrowRight
CTAGTAATG
arrowRight
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Answer:
mRNA sequence1=AUUACGCAU
DNA sequence1=TAATGCGTA
mRNA sequence2=CCGAAAUGU
DNA sequence2=GGCTTTACA
mRNA sequence 3=GAUCAUUAC
DNA sequence3=CTAGTAATG
mRNA sequence4=UUUUUAACG0
DNA sequence4=AAAAATTGC
Under which circumstances would an error during DNA replication be most
likely to cause genetic variation?
A. The error prevents the parent cell from completing its cell cycle.
OB. The error occurs in a gamete and the resulting offspring survives.
C. The error is so minor that the cell can still fully function.
D. The error occurs early in development and causes observable
changes in the organism.
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Answer:
During DNA synthesis, most DNA polymerases "check their work," fixing the majority of mispaired bases in a process called proofreading. Immediately after DNA synthesis, any remaining mispaired bases can be detected and replaced in a process called mismatch repair.
5. Imagine that you encounter two color morphs of S. marcescens in natural environment. If you do not have any prior knowledge on the prodigiosin synthesis pathway of these Serratia species, will you consider the red and white Serratia colonies as one species or two species? Do you think we should designate species based on morphological traits or genetic differentiation? Without limiting to the S. marcescens experiment, provide evidence and example to support your claim.
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Answer:
According to the given question that without prior knowledge on the prodigiosin synthesis pathway of these Serratia species, and we experience two different color morphs of the species. So, there is given or known preliminary morphological basis we will consider them different two different colonies. These can be identify only after genetically identify or study.
The morphological characterstics of the organism and the genetic identification both are equally important. So Giving any one more importance over other is not logical.
Morphologically we can differentiate the color of the colonies of mutants. The mutant serratia sp. are known for eficient biosynthesis of prodigiosin, Thus on the basis of color characteristics of their colonies when grown on peptone glycerol medium we can identify.
What is the function of NADPH and ATP?
a) They absorb light
b) They power the light-dependent reactions
c) They are light-reflecting pigments
d) They act as short-term energy storage
Answers
Answer: D
Explanation: They Provide energy, electrons, and hydrogen to the Calvin cycle. Hope this helps!
In which stage and location of aerobic cellular respiration is most of the energy extracted from glucose?
O stage 1 in the cytoplasm
Ostage 1 in the mitochondria
Ostage 2 in the cytoplasm
Ostage 2 in the mitochondria
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Answer:
it should be d
Explanation:
tell me if i'm wrong.
Answer:
d
Explanation:
tell me if I’m wrong
Whats the correct answer answer asap for brainlist
Answers
Also side note stop saying brainlest and not giving it
which nucleotide base is specifically modified to make a dna building block? what is the modification? what exact cofactor is used to accomplish this critical modification?
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Uracil is modified to make thymine nucleotides (question 2), which involves the methylation as chemical modification (question 2) and it requires 5,10 methylene tetrahydrofolate as a cofactor (question 3).
What is the methylene tetrahydrofolate enzymatic component?The 5-10 methylene tetrahydrofolate is a cofactor used by enzymes in many different reactions which include the generation of thymine from uracil, the first being a nucleotide base exclusive of DNA, while uracil is found in RNA.
It is well known that the addition of a methyl group to the uracil nucleotide base present in RNA is able to generate thymine nucleotide base, which is exclusively found in the DNA molecule.
Therefore, with this data, we can see that thymine and uracil bases are interchangeable depending on the presence of a methyl group, which is catalyzed by enzymes that use 5,10 methylene tetrahydrofolate as a cofactor of such chemical reactions.
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How might a sudden cold front limit population growth of newborn offspring?"" HELP PLEASE
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Answer:
The correct answer is - they may not be able to survive at such a temperature.
Explanation:
A Cold front is a weather change when a cooler air mass moves into warmer air that leads to a sudden drop in temperature following by the cyclone, heavy rainfall and hail.
These sudden changes and heavy rain with storms and cyclones can limit the population growth of newborn offspring as they may not able to survive in such a sudden temperature drop.
What do I say I need help plz
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Answer: The water from the bottom of the dirt it going inside the plants roots around the tree. Therefore things a living, not just the tree.
Explanation:
Fill in the blank below with the vocabulary word that best completes the sentence, is the science of naming and dassifying organisms based on structural comparisons and genetic evidence
Answers
Answer:Taxonomy
Explanation:
What is a biogeochemical cycle?
A. The cycling of materials through only the biotic components of Earth.
B. Minerals that are chemically changed by photosynthesis and respiration.
OC. The cycling of minerals and materials through the biotic and abiotic components of the Earth.
D. A cycle that moves minerals from biotic organisms, to the Earth, and finally through a chemical change.
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The biogeochemical cycle is the cycling of minerals and materials through the biotic and abiotic components of the Earth; option C.
What is a biogeochemical cycle?A biogeochemical cycle describes the cyclical process by which a chemical substance or chemical substances are cycled between the living part of the environment known as the biotic component, as well as the non-living component of the environment known as the abiotic component.
Certain chemical substances such as carbon, nitrogen, and oxygen are important components of both living and the non-living part of the environment. Therefore, a biogeochemical cycle will describe how these substances flow from non-living components to the living components of the environment.
In conclusion, the continuous flow of substances between the biotic and abiotic components of the environment constitute the biogeochemical cycle.
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Explain the important of photosythesis for plants ?
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Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.
Hey there!
Photosynthesis is the reaction that converts light energy to chemical energy in sugar and carbohydrates. Humans can't eat sunligh, so we eat the plants. Plants convert the energy in the sunlight into chemical energy using chlorophyll. Chlorophyll is a molecule produced by plants, algae and cyanobacteria, which aids in the conversion of light energy into chemical bonds. It is the green pigment found in the chlorookasts of higher plants. They are a part of our ecosystem, and they are lower on the food chain.
Hope this helps!
Have a great day! :)
Describe the ecological relationship between the coral and the zooxanthellae algae
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Answer:
firstly they have mutualistic relationship .Coral provides the algae with protected environment and compounds they need for photosynthesis .
infact ... as much as 90% of the organic material photosynthetically produced by zooxanthellae is transferred to the host coral tissue