Answer: B. the phagocytotic barrier, which is a part of innate immunity
Explanation:
Answer:
the phagocytotic barrier, which is a part of innate immunity
Please help me with this
Answer:
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Explanation:
When we exhale, carbon dioxide is released.
The carbon dioxide reacts with the limewater, it turns the limewater to a cloudy or milky solution.
The reason for this is because of the suspended Calcium carbonate in the limewater.
A manifestation of calculi in the ureters include which of the following? (Select all that apply.) Enuresis Hematuria Flank pain Tachycardia Intermittent pain
Answer: Enuresis Hematuria
Explanation: Enuresis Hematuria, the inability to control frequent urination especially at night. It's more common in kids. Not 100% sure if this is correct.
The part of a banana plant not used as food is: Options- a. Roots b. Flower c. Fruit d. Stem
The part of a banana plant not used as food is:
a. Roots
b. Flower
c. Fruit
d. Stem
A genetic disorder in which the enzyme to convert a particular amino acid to tyrosine is called __________________.
Answer: A genetic disorder in which an individual lacks an enzyme responsible for converting the amino acid phenylalanine into the amino acid tyrosine is called phenylketonuria (PKU) A trait that is determined by a gene that is found only on the X chromosome is said to be
Explanation:
How might you model the relationship between a tomato plant and the hornworm caterpillar? Identify the components of the model, including inputs and outputs.
Answer:
Ok, there are multiple ways of model this, one of the ways can be:
Knowing that a hornworm can strip a tomato plant of its foliage in about two days, we can count the number of hornworms (x, the input) and find the number of plants (y, the output) that they can eat in a day.
So, if a hornworm can eat a plant in two days, then in one day the worm can eat half a plant.
Then:
y = (0.5plants/worm)*x
This says:
The number of plants eaten in one day (y) is equal to half of the number of hornworms
OF course, there are a lot of other ways to model this, for example we can use the time as a variable x, and the number of plants as y.
Knowing that a worm eats a plant in two days:
y = (0.5 plants/day)*x
Now x is the number of days, and y is the number of plants that can be eaten by a single worm
Which of the following questions is of LEAST pertinence when determining whether a mother will deliver her baby within the next few minutes?
A. "Do you feel the need to push?"
B. "When are you due?"
C. "Is this your first baby?"
D. "Have you had a sonogram?"
Which structures in the cell membrane allow the cell to communicate with and interact with its environment?
A. Phospholipids
B. Cholesterols
C. Proteins
D. Carbohydrates
nitrogen-fixing prokaryotes
nitrifying prokaryotes
nitrogen to ammonia
convert ammonia
to nitrites and nitrates
convert nitrates to
atmospheric nitrogen
denitrifying prokaryotes
An ecosystem experiences a loss of denitrifying prokaryotes. Will this loss affect the health of the ecosystem?
OA. No, because denitrifying prokaryotes do not produce the usable form of nitrogen needed by organisms.
OB. Yes, because an excessive level of usable nitrogen could accumulate and disrupt the ecosystem's balance.
OC. No, because atmospheric nitrogen is not necessary to most organisms in an ecosystem.
D. Yes, because plants and animals will no longer have the usable form of nitrogen that they need to grow.
egion Scor
Answer:
The correct answer is option D. Yes, because plants and animals will no longer have the usable form of nitrogen that they need to grow.
egion Scor
Explanation:
Denitrifying prokaryotes are the organisms that perform the denitrification process in which nitrate is reduce to nitrogen gas in absence of the oxygen with the help of soil microbes such as denitrifying bacteria. It is a essential process that helps in the recycling of nitrogen.
Denitrification can negatively impact global warming by increasing nitrogen gas in environment and losses of nitrous oxide and reducing soil fertility and there would be loss of productivity in agriculture.
Thus, the correct answer is option D.
You are doing research on a bacterial species, trying to determine the nature and structure of a number of intracellular inclusions. Which type of microscopy would provide the best view of these intracellular structures
Answer:
Transmission Electron Microscope.
A Transmission Electron Microscope provides the best view of the intracellular structures.
What is Transmission Electron Microscope?
Transmission electron microscopes (TEM) are microscopes that use a particle beam of electrons to visualize specimens and generate a highly-magnified image. TEMs can magnify items up to 2 million instances. with a purpose to get a better concept of simply how small that is, think about how small a cellular is.
What is a transmission electron microscope used for?The transmission electron microscope is used to view skinny specimens (tissue sections, molecules, etc) through which electrons can bypass producing a projection picture. The TEM has similarities in lots of ways to the traditional (compound) light microscope.
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1. Who is considered to be the first marine biologist?
2. Why was the HMS Challenger important?
3. What are the main marine biology laboratories located on the WEST coast of the US?
4. How has the focus of marine biology changed from Aristotle’s time to today?
5. For number five – choose any ONE of these three investigative questions and answer thoroughly:
a. You notice that in certain areas of the intertidal zone, there are patches where sea lettuce (an intertidal alga) does not grow as well as in other areas. You also notice that in the areas where the sea lettuce is not growing as well, there seem to be an abundance of intertidal snails. You wonder whether or not the snail is causing these patches in the algal distribution. Describe how you would set up this experiment to test your idea. Be sure to include your hypothesis (If/then statement), control group, experimental group, at least 3 controlled variables and your manipulated variable.
b. When you are snorkeling on the Great Barrier Reef, you notice that there are certain places on the reef that animals go to get parasites removed by cleaner fish. You wonder if the way that the animals know it is a cleaning station is because the cleaner fish have a pattern (stripes on the fish) that signals the presence of a cleaning station to other animals. Describe how you would set up this experiment to test your idea. Be sure to include your hypothesis (If/then statement), control group, experimental group, at least 3 controlled variables and your manipulated variable.
c. You are in the deep sea submersible Alvin, exploring the mesopelagic zone when you notice that anglerfish are flashing lights in a process called bioluminescence. You wonder if this is to attract prey for the anglerfish to eat. Describe how you would set up this experiment to test your idea. Be sure to include your hypothesis (If/then statement), control group, experimental group, at least 3 controlled variables and your manipulated variable.
6. Describe the process of seafloor spreading.
7. How is old oceanic crust recycled?
8. Explain the evidence that supports the theory of seafloor spreading and continental drift
9. Who was the first person to propose the theory of continental drift?
Modern oceanography began with the Challenger Expedition between 1872 and 1876. It was the first expedition organized specifically to gather data on a wide range of ocean features, including ocean temperatures seawater chemistry, currents, marine life, and the geology of the seafloor.
*You have post lots of questions, i don't have time to solve them all*
different between larva and egg of silkworm
Answer: a larva is the active immature form of an insect
Explanation:
what effect has breast cancer researcher had on society
Answer:
People who have gene mutations have more treatment options.
Explanation:
What would happen is a person had right sided heart failure
Answer:
the right chamber has lost its ability to pump. That means your heart can't fill with enough blood, and the blood backs up into the veins. If this happens, your legs, ankles, and belly often will swell.
Explanation:
Which type of protein will fight disease?
insulin
O antibodies
ligaments
genes
Answer:
antibodies
Explanation:
as antibodies are the part of immune system that fight against diseases and protect our body
while insulin is enzyme which speed the chemical reaction without affecting itself it does not fight against disease
and genes are involve in the inheritance not in the immunity so
correct answer is antibodies which produce immunity
The proteins that help to fight against diseases are ANTIBODIES.
The antibodies are specific proteins of the immune system that recognize harmful particles called antigens in order to destroy them.The antigens can be localized on the surface of pathogenic harmful microorganisms (i.e., bacteria, fungi, parasites, viruses).Antibodies are secreted into the bloodstream by differentiated B cells, which are specific cells of the adaptive immune system known as plasma cells.In conclusion, the proteins that help to fight against diseases are ANTIBODIES.
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All foods can be categorized into one of three groups. What are they? *
Answer:
animal products, processed fruit fragments and whole plants
Explanation:
The three categories of foods are as follows:
Animal products.Processed plant fragments.Whole plants. What is Food?Food may be defined as any substance that possesses nutritious qualities. Such substances deliver energy which is essential for the survival of living entities.
The food by animal products generally includes egg, milk, meat, pork, etc that contains a high nutritious value and are rich in proteins and fats.
The food by processed plant products generally includes vegan cheese, vegan eggs, faux meats, veggie burgers, etc. that contains a high amount of fat and cholesterols.
The foods that we get from whole plants include fruits like pears, bananas, etc. vegetables like spinach, broccoli, tomatoes, etc.
Therefore, it is well described above.
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Some students grew sunflowers in the biology laboratory. After three weeks they measured the height of each plant. The following figure shows the conditions of the experiment:
Answer:
a. The factor changing among groups = The color of the light
b. The independent variable in this experiment = Color of light
c. The quantity measured at the end of the experiment = The height of the plant
d. The dependent variable is the height to which the plants grow
e. The control group is the Plant Group C, because they are subjected to normal light
f. The parts of the experiment kept constant are;
Temp
Humidity
Water Daily
Daily Light Exposure
g. The amount of nutrient available and atmospheric gases
h. The growth rate of plant is dependent on the color of the light in which the plant grows
Explanation:
Environmental science which of the following is a result of human impact on the nitrogen cycle?
Answer:
Scientists have determined that humans are disrupting the nitrogen cycle by altering the amount of nitrogen that is stored in the biosphere. The chief culprit is fossil fuel combustion, which releases nitric oxides into the air that combine with other elements to form smog and acid rain.
Explanation:
A scientist is studying the effects of growing human populations on the biodiversity that can be found in a region. Each region selected had a different population density of humans from 1 to 10 million per 10 square miles. Then in each region the number of different species that can be found was recorded. What type of variable is the dependent variable in this experiment?
Answer:
The different species
Explanation:
There are two types of variable in a scientific experiment; Dependent and Independent variable.
An Independent variable is the variable that is intentionally or expectedly altered in order to see the effect on the dependent variable.
A dependent variable is the variable that is been observed for changes as a result of the independent variable.
For example, in the relationship between age and blood pressure, age is the independent variable while blood pressure is the dependent variable.
From the question, the different human populations is the independent variable (because it is the one been intentionally altered) while the biodiversity/different species is the dependent variable (because it is been observed for changes as a result of the different human population).
Suzie Q wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height. She places one in white light, one in blue light, one in green light, one in red light and one in the closet. All of the ferns are planted in Miracle-Grow and given 20 mL of water once a day for 2 weeks. After the two weeks, Suzie observes the plants and makes measurements. Hypothesis: If___________________________________, then ______________________________________ Independent Variable: _____________________________ Dependent Variable: ________________________ Control Group: __________________________________ Constants: ________________________________________________________________________________
This question is about identify
The hypothesis to this question is as follows: If a fern is exposed to white light, then it would grow taller.Independent variable: different colors of light Dependent variable: growth (height) of plants/fernsControl group: plants/ferns placed in the closet (no light)Constants or Control variable: Miracle-Grow, 20ml of water, 2 weeks Hypothesis of an experiment is a testable explanation given to support the experiment. Based on the experiment conducted by Suzie in order to determine the effect of colors of light on plant growth, she is of the belief that plants grow/survive best under white light. Hence, the hypothesis of the experiment will be: if a fern is exposed to white light, then it would grow taller. Independent variable of an experiment refers to the variable that the experimenter controls or manipulates in order to effect a change. In this case, the independent variable is the different colors of light. Dependent variable is the variable that is measured or responds i.e. the outcome. In this case, the growth/height of the plants is the dependent variable. The control group in an experiment is the group that receives no experimental treatment. In this case, the group of ferns placed in the closet/no light are the control groups. Control variable or constants are the variables in an experiment that are unchanged or kept constant throughout the experiment. In this experiment, the constants are miracle-grow, Same amount of water (20ml), same amount of weeks (2 weeks).Learn more about the variables of an experiment at: https://brainly.com/question/3210387?referrer=searchResults
Which is true for a substance in the gaseous phase?
Answer:
Explanation:
in gaseous phase the molecule of gas are far away from one another
the attractive forces among gas molecules are very weak
the gas molecule occupy the shape of the container in which they are confined
in gaseous phase the molecules are in continous collision with each other and with the walls of container
Jupiter, Saturn, Uranus, and Neptune are made up by what gases?
Answer:
hydrogen and helium
Explanation:
Jupiter, Saturn, Uranus, and Neptune are made up hydrogen and helium gases and called gas giants of solar system.
Uranus and Neptune also consist of more ices and methane in comparison to Jupiter and Saturn.
Jupiter is the largest planet in the solar system and also have rings around it consist of rocks.
Hence, the correct answer is hydrogen and helium.
Stained bacteria that lose the purple color when the decolorizer is added and pick up the red color of the safranin are referred to as ________ bacteria.
What is one way to create a positive ion?
Answer:
When you are missing an electron or two, you have a positive charge
Explanation:
how many different possible codon combinations are possible using the three letter alphabet of DNA
Answer:
The genetic code includes 64 possible permutations, or combinations, of three-letter nucleotide sequences that can be made from the four nucleotides. Of the 64 codons, 61 represent amino acids, and three are stop signals. For example, the codon CAG represents the amino acid glutamine, and TAA is a stop codon.GgTt pea plants can produce _____ type(s) of gametes, but a ggtt plant can produce _____ type(s) of gametes.
Answer:
4; 2
Explanation:
GgTt can produce GT, Gt, gT, or gt gametes while ggtt can only produce gt gametes.
When both participants in a species' interaction develop adaptations in direct response to one another, this could progress into all of the outcomes except:
Answer:
coevolution
Explanation:
Coevolution refers to the process where two or more species modify each other's evolution via natural selection. Darwin mentioned how insects and flowering plants could coevolve by reciprocal evolutionary modifications. Coevolution has firstly been associated with mutualism between species including, for example, birds and flowering plants. However, coevolution may also involve host-parasite relationships, such as associations involving parasitic organisms and their sexually reproducing hosts. Finally, there are situations where coevolution involves both parasitism and mutualism (i.e., antagonistic coevolution).
The adaptation in direct response to one another could lead to all the outcomes except : Intraspecific interaction ( option 5 )
Intraspecific InteractionIntraspecific interaction is a kind of interaction seen within same species that compete for basic necessities for survival such as food, habitat and water. It does not lead to evolutionary changes within the species, therefore they do not develop adaptations in response to the competition
Hence we can conclude that the adaptation in direct response to one another could lead to all except intraspecific interaction
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Attached below is the missing options related to your question
resource partitioningcoevolutionextinction of one speciescompetitive exclusionintraspecific competitionDeKwami is conducting an experiment in which he needs to use both sucrase and catalase. Which pH should he prepare to ensure that BOTH of the enzymes will show some activity?
Answer:
pH of 6.5
Explanation:
The pH favorable to an enzyme where it is most active is called optimum pH. The optimum pH of sucrase is about 6.0 while that of catalase is 7.0. Both enzymes can however still show some activity when the solution is slightly basic or slightly acidic (from it's optimum pH). Hence, getting the middle point (6+7/2 = 6.5) between the optimum pH of the two enzymes and preparing same will ensure the enzymes show some activity.
So can I have help with this questions also the question I posted..
Exfoliation is a form of mechanical weathering in which curved plates of rock are stripped from rock below.
This results in exfoliation domes or dome-like hills and rounded boulders.So your answer is D, Exfoliation.
Can any kind soul help me ASAP
Answer:
1- D transpiration
2- A
✅diffusion and osmosis don't require energy from a cell, it is needed in active transport.
✅a partially permeable membrane is present in osmosis but is not necessarily needed in diffusion.
❌diffusion and osmosis always happens from an area of higher concentration to an area of lower concentration.
3- B
red blood cells have lower water concentration than the solution of water, so water will diffuse into the cells ✅
from higher water potential to lower water potential ✅
and the cells will burst as a result.
A preparation that "teaches" the immune system to recognize a disease-causing agent without actually causing disease is termed a(n):__________.
A. antibiotic.
B. virus.
C. antiviral.
D. vaccination.
E. injection.
Answer:
c. Vaccination
Answer:
D. Vaccination.
Explanation:
Vaccination is a preparation that teaches the immune system to recognise a disease-causing agent without actually causing disease is termed a vaccination.
For example:
The coronavirus vaccine won't expose us to the coronavirus yet the it helps the immune system prepare to fight the virus in advance just in case the person gets infected with the disease.
Hope this helps ;) ❤❤❤