Microbial biofilm are where the microbe cells stick closely to each other as well as to the surface. They are used in various purposes like: plant protection, bioremediation, wastewater treatment, corrosion inhibition, etc. The biofilm also acts as a hub for the micro-organisms to grow and therefore cause diseases.
Periodontal diseases are the inflammation of the gums. The symptoms on the onset of the disease involve red, swollen and bleeding gums.
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The Image below shows the cambium being indicated by the arrow. What is the function of this plant structure?
-Transports water to the surface of the leaves
-Expands the width and height of plants through growth
-Gives plants support
-Acts as a receptor for gas intake
Answer:Wide
Explanation:
The image that shows the cambium is indicated by the arrow. The function of the plant structure is to expand the width and height of plants through growth. The correct option is b.
What is cambium?Cambium is a narrow plant membrane found directly beneath the bark of a woody tree or plant. The cambium has numerous purposes. It develops xylem and phloem layers in woody plants, increasing the diameter of the stem.
It also promotes secondary root and stems growth. Secondary phloem and xylem tissue are produced by the vascular cambium. The vascular cambium is a plant tissue located in the stem of a vascular plant between the xylem and the phloem. It also serves as a source of secondary xylem and secondary phloem growth.
Therefore, the correct option is b, expanding the width and height of plants through growth.
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the__method would be the best way to determine when an approaching thunderstorm will reach your town.
a. analog b. trends c. climatology d. persistence
HELPPPPPP
B:Trend
definetly didnt answer this question before *cough cough*
Answer:
Trends
Explanation:
Which of the following would be an example of a pure substance
A: salt water
B: Gold
C: vegetable oil
D: Steel
Answer: water is a pure substance
Explanation:
is a sperm cell diploid or haploid
Answer:
haploid
Explanation:
because it is formed after meiosis
please mark me brainliest and 5 star
Answer:
Haploid
Explanation:
Give an example of radiation.
Answer:
A burning candle.
Explanation:
Gives off heat and light radiation.
Answer:
Electromagnetic waves through the microwave.
Explanation:
suppose you are a doctor reviewing this new bandage for its potential applications. in what ways might you use such a bandage. present your ideas in a list.
edit: bump
Answer:
For the treatment of patients.
Explanation:
As a doctor, I am using this new bandage For the treatment of patients. If this bandage has given me promising results than old bandages then I used these bandages for all my patients but if the bandage does not give me the required results and the old one is more better than the new one than I will reject using that new bandage and prefer old bandages.
byers dl. evolution in heterogeneous environments and the potential of maintenance of genetic variation in traits of adaptive significance. genetica. 123: 107-24. pmid 15881684 doi: 10.1007/s10709-003-2721-5
One of the primary problems in evolutionary biology has been how to maintain genetic diversity in qualities that are important for adaptation. Selection in diverse environments has been proposed as a means of facilitating the maintenance of genetic variation, taking into account the pattern of increasing genetic variation linked with environmental clines and heterogeneous habitats.
What is Genetic variation ?Genetic variation is the variance in DNA sequences among members of a population. Germ cells, such as sperm and eggs, as well as somatic (all other) cells, are prone to variation.
Examples of genetic variants that can exist in a human population include skin colour, hair colour, dimples, freckles, and blood type. The altered leaves of carnivorous plants and the evolution of flowers that resemble insects to entice pollinators are two examples of genetic variation in plants.Learn more about Genetic variation here:
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A general converts mechanical energy into _____________ energy
A) chemical
B) electrical
C) light
D) sound
chemical energy
pls make me as the brainliest Answer
Answer:
B) electrical energy
Explanation:
A generator converts mechanical energy into electrical energy. For example, a hydroelectric power plant converts the mechanical energy of water in a storage dam into electrical energy. An internal combustion engine is a heat engine that obtains mechanical energy from chemical energy by burning fuel.
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Tides are not the same all over the world or even in our same state. What other factors might change the way tides are experienced?
This is because that the moon orbits the Earth in the same direction that the Earth rotates on its axis. This extra 50 minutes which means that the same location will be experience the high tides in every 12 hours 25 minutes. This was varies between the different locations as the world or the local geography has an effect on the tidal dynamics
Tides also differ at the different times of the year that tdepending on the location of the Moon and to the Sun in relation to the Earth. At times when the Sun, the Earth, and the Moon are in the line with each other (during full and new moons), the tidal range was larger because both the Sun's and the Moon's gravitational pull create the tide.
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A biology teacher placed a chicken egg in vinegar to dissolve the shell exposing the cell membrane. the teacher then placed the egg in a solution of sodium chloride in water in order to demonstrate cellular transport what type of cellular transport is the teacher demonstrating?
A. facilitated diffusion
B. active transport
C. filtration
D. Osmosis
I would assume osmosis, as sodium chloride is just salt and salt travels to water, which is abundant in the egg.
Option D. osmosis is the cellular transport is the teacher demonstrating in the given case.
Osmosis is the flow of water through a semi-permeable membrane from an area of higher water concentration to an area of lower water concentration. When the egg was placed in a solution of vinegar,
vinegar reacts with the eggshell, bubbles surround the egg and dissolve the shell.It is known vinegar is a weak acid diluted with lots of waterWater moves from the vinegar, through the egg’s semi-permeable membrane, into the egg due to osmosis.When the egg was placed in the salt solution that had a higher concentration of water than was inside the egg,
water moves into the egg.The egg will become larger when placed in the salt solution due to the solution’s low salt concentration and sinks in the solution.Thus, the correct answer is - option D. osmosis.
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someone helppppp which one is it
Answer:
The orange box
Explanation:
It is the most reasonable for the plant base orginism
Paramecium A paramecium is a unicellular, eukaryotic organism. Which statement best describes a function of ATP in a paramecium? O ATP provides the energy to move cilia. 0 ATP signals the presence of other nearby organisms, O ATP senses changes in the surrounding aquatic environment.
What structure can be found in both a virus and a cell?
I’ll make you brainiest
Answer:
I think it's nucleic acid....
Explanation:
Individuals that are well adapted to their environment will survive and produce
a. fewer mutations.
b. more offspring.
c. stronger genes.
d. better traits.
The Individuals that are well adapted to their environment will survive and produce : (B). more offspring.
Meaning of environmental adaptationAn environment is simply defined as the physical surrounding and condition individual or specie is subject to. It includes both living things and non living things.
Environmental adaptation is the ability possessed by an organisms to get used to an environment, that is he is not affected by the environmental factors but can live with it and still function optimally.
In Conclusion, The Individuals that are well adapted to their environment will survive and produces more offspring.
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food dropped on a microbe-laden hard surface, such as a floor, becomes contaminated the moment it lands
The statement "food dropped on a microbe-laden hard surface, such as a floor, becomes contaminated the moment it lands" is true. Here Microbiological contamination is detected.
Microbiological contamination refers to the non-intended or accidental introduction of infectious material like bacteria, yeast, mold, fungi, virus, prions, protozoa or their toxins and by-products.
Foods that won't be cooked, including as salads, fresh fruit, as well as vegetables, or prepared foods, shouldn't be placed over raw meat, poultry, as well as fish. Keep them near the bottom of the cooler or your refrigerator so that their juices won't drip onto other foods.
The question is incomplete, the complete question is:
food dropped on a microbe-laden hard surface, such as a floor, becomes contaminated the moment it lands.
(a) True
(b) False
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Water Cycle
Wind
Groundwater
Ocean
Salt water
The amount of runoff at Y will increase as the
evaporation rate exceeds the infiltration rate
O precipitation rate exceeds the infiltration rate
precipitation and infiltration rates remain the same
slope of the land decreases
In some science experiments, you are trying to compare the effects that a certain variable may have on the topic of interest. For example, read the following question: What brand of fertilizer makes roses grow the fastest? Let’s say you had three brands that you were using, and we will just call them brands A, B, and C. In an experiment, the different types of fertilizer would be called treatments, because you will be treating roses with each type of fertilizer. Most experiments that have a treatment also have a control, which in this case would be roses that had no fertilizer applied to them. In any experiment you want to eliminate as many variables as possible. In this experiment, the only thing you want to vary is the type of fertilizer. Everything else (sunlight, water, temperature, etc) you hope, will stay the same. Use the information about this example experiment to answer problems 7-10.
How many different groups of roses will you need?
Choose one answer.
a. Three
b. Four
What is the function of the Nucleus?
A. break down worn out cell parts
B. help the cell maintain its shape
C. Store and protect DNA
D. Produce energy
Answer:
C
Explanation:
Answer:
The function of the nucleus is (C)–– to store and protect DNA.
Explanation:
What represents high pressure on a weather map?
Explanation:
When the air is warm, gas molecules move around quickly in the air pushing out on the area around them. This causes high atmospheric pressure. ... On weather maps, these readings are represented as a blue “H” for high pressure or a red “L” for low pressure.
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Identify the correct equation for aerobic respiration.
a) Glucose + Carbon Dioxide → Oxygen + Water + Energy
b) Glucose + Oxygen → Carbon Dioxide + Water + Energy
c) Carbon Dioxide + Water+ Energy → Glucose + Oxygen
d) Glucose + Water → Carbon Dioxide + Oxygen + Energy
Answer:
B
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Explanation:
Answer:
B
Explanation:
Got it correct on test.
Why do the blood vessels going to the skin and internal digestive organs constrict and get smaller during a fight-or-flight response?
a to let in more light
b to allow the body to take in more oxygen
c to redirect blood to the areas that are involved in the panic response
d to increase blood flow
Answer:
Theres the answer.
Explanation:
The sympathetic division can be thought of in a general way as helping the body to mount a “fight or flight” response, with an overall increase in heart rate and blood pressure. Pressure increases because blood vessels constrict under sympathetic stimulation.
CHAPTER 14
4. A population’s growth rate is the ____________ rate minus the _____________ rate.
5. When a cause of death is density _____________________, a certain proportion of a population dies regardless of the population’s density.
6. A close relationship between two species in which each species provides a benefit to the other is called ______________________.
No exceptions to the central dogma exist. Rna is always transcribed from dna, and rna is translated to produce proteins. True or false?.
The above-given statement that 'No exceptions to the central dogma exist. RNA is always transcribed from DNA, and RNA is translated to produce proteins' is false.
The above statement is false because of the process of reverse transcription.
In the field of biology, central dogma can be defined as a process through which mRNA is formed by DNA, under a process named transcription. The mRNA formed then forms proteins under the process referred to as translation.
However, in some organisms, like the retroviruses, the process of reverse transcription was discovered. Reverse transcription is the process by which RNA is converted into DNA which is an exception to the central dogma process. The process of reverse transcription is now being used in genetic engineering due to its various benefits.
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which charestics do volvox and euglena share
Answer:
They all have hair like structures for movement like flagella or cilia.
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Salad dressing is a(n)
A. Compound
B. Element
C. Heterogenous
D. Homogenous
Answer:
if there is two then it would be either c or d
Explanation:
match the letter with the correct organelle
E
H
F
A
Answer:
E- Mitochondria
H- Lysosome
F- Plasma/ Cell Membrane
A- Chromatin
Explanation:
Cell organelles:
E- Mitochondria
H- Lysosome
F- Plasma/ Cell Membrane
A- Chromatin material
What are Cell organelles?Mitochondria are membrane-bound cell organelles that provide the majority of the chemical energy required to fuel the cell's metabolic activities. Adenosine triphosphate is a tiny molecule that stores the chemical energy created by mitochondria (ATP)A lysosome is a digestive enzyme-containing membrane-bound cell organelle. Lysosomes play a role in a variety of cellular activities. Excess or worn-out cell parts are broken down by them.The cell membrane is a biological membrane that protects and isolates the interior of all cells from the outside environment.Chromatin is a DNA-protein complex found in eukaryotic cells. The principal role is to compress and densify lengthy DNA molecules into smaller, more compact forms.learn more about cell organelles here:
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which body composition assessment method involves the estimation of the 3-dimensional volume of the body through measurement of an individual’s body weight while they are completely submerged under water?
The body composition assessment method that involves the estimation of the 3-dimensional volume of the body through measurement of an individual’s body weight while they are completely submerged under water is Hydrodensitometry.
Hydrodensitometry is based upon the Archimedes principle. It provides information of two components: the fat mass and the fat-free mass. It is also called under-water weighing. This technique is not commonly used, however it is mostly used on athletes.
Body composition assessment is the method to calculate the ratio of fat-to-fat free mass. The composition if assessed to gain knowledge about the fitness of the body.
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Why are marathon runners collapsing and dying.
Answer:
Why do marathon runners collapse and die? Some of the reasons why marathon runners often collapse near the finishing line is because the build-up of lactic acid in the blood during the run triggers abnormal heart rhythms and also exhaustion, emotional stress, dehydration and heat stroke
Answer:
Some of the reasons why marathon runners often collapse near the finishing line is because the build-up of lactic acid in the blood during the run triggers abnormal heart rhythms and also exhaustion, emotional stress, dehydration and heat stroke.
Explanation:
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Some cells have multiple dendrites and/or axons. What advantages does this have for the nervous tissue?
Answer:
It receives information from several cells.
Explanation:
The main advantage of cells having multiple dendrites and/or axons is that it receives information from several cells as compared to those cells which have one dendrite and receive information from only one cell. If neurons have hundreds or thousands of dendrites, so these dendrites allow the cell to receive information from thousands of other cells. So we can say that dendrites number plays a key role in nervous tissue.
surface soil is good for plants ,why
Answer:
because it contains something in it that's why ok.
Explanation:
..........
Answer:Soils' properties vary with the soil depth. The surface soil, or topsoil layer (O and A horizon in Figure 1–2), usually contains less clay, but more organic matter and air, than the lower soil layers. Topsoil is usually more fertile than the other layers and has the greatest concentration of plant roots.
Explanation: