The conclusion that can be made here is that:
A is motileSpecimen A gave indoleSpecimen B does not hydrogen sulfide (H2S)Specimen B does not have indoleWhat is a sim media inoculation?This is a type of laboratory practical that isb used to see if organisms are motile through the use of single stabs.
An organism is motile when there is a radiation from the stab mark which makes the tube it is in to turn turbid.
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I need help. The diagram below represents levels of organization in living things. Which term would best represent X?
why have 900 megahertz (mhz) industrial, scientific, and medical (ism) band wireless local area networks (wlan) lost favor in comparison to 2.4 gigahertz (ghz) and 5 ghz frequency systems?
900 MHz devices are more expensive and provide slower data output.
What is wireless local area networks (WLAN)?WLAN is defined as a wireless distribution of network used for two or more devices.
The industrial, scientific, and medical (ism) band is a WLAN that makes use of radio frequency
for domestic network purposes.
A gigahertz connection delivers more bits per second more than a megahertz connection.
Therefore, 900 MHz cannot be compared with 2.4 gigahertz (ghz) and 5 ghz frequency systems because 900 MHz devices are more expensive and provide slower data output.
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what energy is transferred during translation
Answer:
Guanosine triphosphate (GTP)
Explanation:
a purine nucleotide triphosphate, acts as an energy source during translation
How does the intracellular fluid compartment differ from the extracellular fluid compartment?.
Answer:
The main difference between intercellular and extracellular fluid is that intracellular fluid is the liquid found inside the cell whereas extracellular fluid refers to all the body fluids outside the cell.
Please help me out
It would be appreciated
Answer:
A
Explanation:
A hypothesis is a prediction of what will happen which is waht happens in section A.
Section B is an observation of the cause of the rise in CO2 levels
How are manures different from fertilizers? List out the impacts of using fertilizers over and over and how can it be prevented.
The main difference between Manure and Fertilizer is that Manure is natural that consists of the beast and factory wastes, whereas Fertilizers are chemical substances that are nutrient-rich.
Difference between manures and fertilizers-
Manure is animal excreta(waste) used for the good growth and development of plants while fertilizers are the chemical substances used to increase crop yield.Manure is natural (no chemical used), whereas fertilizers can be organic or (man-made)synthetic.Manure supplies fewer nutrients in fields whereas fertilizers are rich sources of nutrients.Manure is heavier on the flip side fertilizer is not bulkierManure is composed of animal dung, human wastes, and plant residues whereas fertilizers are composed of inorganic salts.Manure is soluble in water but takes time while fertilizers have more solubility in water.Manure unloose Nitrogen content in the air, if left in the environment on the other side, nitrogen loss from fertilizers is less.Manure makes the soil texture better by making it pourable while fertilizers also improve soil texture but the improvement is less in comparison to manure.learn more about fertilizers here:
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Fig. 6.1 shows four species of myriapod, not drawn to the same scale.
Polydesmus
denticulatus
1
Fig. 6.1
(a) State three features of all myriapods that are visible
Answer:
Many pairs of legs.Two body sections (head and trunk)One pair of antennae on the head.Fungi are divided into subgroups based on their methods of ____________.
Fungi are divided into subgroups based on their methods of sexual reproduction.
Fungi divisionFungi are divided into 4 groups, namely:
ChytridiomycotaZygomycotaAscomycotaBasidiomycotaThe division into the different groups is based on the methods of sexual reproduction used.
Zygomycota produce zygosporesAscomycota produce ascosporesBasidiomycota produce basidiosporesChytridiomycota produce diploid zoosporesMore on fungi can be found here: https://brainly.com/question/1261179
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Why the nucleus can’t be seen at end of prophase in eukaryotic cell?
Is it because the nucleus breaks down or nuclear membrane and why? Please
The nucleus can't be seen at the end because the nucleus envelope breaks down and nucleus disappears
Explanation :-
** chromosomes contract , spiral and becomes visible even in light microscope and nucleoli becomes smaller(material to chromosomes)
** chromosomes split length wise to form chromatids connected by centromeres
** nuclear membrane breaks down
** nucleus disappears
Which of the following organic compounds is the main fuel supply for cellular work?
a. sugars
b. lipids
c. nucleic acids
d. proteins
I am pretty sure it's sugars but I want to check
proteins not expressed on normal cells but found on tumor cells are called _____.
Proteins not expressed on normal cells but found on tumor cells are called tumor specific antigen.
What are cancer cells?Cancer cells are cells whose cells cycles and growth has been altered as a result of mutation in their DNA resulting in abnormally high growth rates.
Cancer cells are also called tumor cells.
Proteins that are expressed in tumor cells but not on normal cells are called tumor specific antigen.
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17. What processes in the water cycle above are involved
in the movement of phosphorous and nitrogen
contaminants into lakes and oceans?
Answer:
The Nitrogen Cycle, Carbon Cycle, and the Phosphorous Cycle
Explanation:
These cycles together work together in harmony with the water cycle, transferring nutrients into the atmosphere and breaking them down into the soil.
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in:.
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
Meaning of smooth musclesmooth muscle can be defined as a muscle in the body that is non striated and involuntary in nature.
Smooth muscles are mostly found in hollow organs, passageways and tracts of some systems.
In conclusion, A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
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How is sucrose moved in sink?
The sucrose moved in sink by active transport.
What is active transport?Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.
In this case, the sucrose moves from companion cells in sink elements by active transport. This reduces the water potential of the sink element by osmosis, which increases the hydrostatic pressure.
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HELPPP I need someone who’s really good at biology to help with my midterm I have less than a week and I’m barely half ways done
I’ll give you my accellus log in if you are serious and willing to help !! PLEASE ILL BE YOUR BEST FRIEND
Answer:
I could help!
Explanation:
i just took bio last year and got a 5 on the EOC
How are microtubules built and destroyed?
Microtubules are generated by polymerization of dimer subunits of alpha and beta-tubulin.
What are microtubules?Microtubules are essential proteins of the cytoskeleton that provide structural support to the cell.
Alpha and beta-tubulin subunits are arranged in a repeated way to form protofilaments, whereas molecular motors are proteins that disassemble microtubules.
In conclusion, microtubules are generated by polymerization of dimer subunits of alpha and beta-tubulin.
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What's the PH of the stomach and small intestine
The intraluminal pH is rapidly changed from highly acid in the stomach to about pH 6 in the duodenum. The pH gradually increases in the small intestine from pH 6 to about pH 7.4 in the terminal ileum. The pH drops to 5.7 in the caecum, but again gradually increases, reaching pH 6.7 in the rectum.
The pH of the stomach is acidic while that of small intestine is slightly alkaline.
What is pH?
This is referred to as the power of hydrogen and is the measure of the degree of acidity or alkalinity of a substance.
The stomach contains dil. Hcl which makes it acidic while the small intestine is alkaline because of the presence of bile.
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What is the name of the Coenzyme that binds with Acetyl Acid?
The name of the coenzyme is Coenzyme A.
Citric acid cycleThe intermediate step between glycolysis and the citric acid cycle is the production of acetyl-co A.
Acetyl-co A is produced by the oxidative decarboxylation of the pyruvate molecule generated from glycolysis in the matrix of the mitochondrion.
The pyruvate molecule is first transformed into an acetyl group. The enzyme, Coenzyme A, binds with the acetyl group to form acetyl-co A.
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Which endocrine gland releases a hormone to regulate calcium levels in the bloodstream ? A. Thyroid B. Pituitary gland C. Adrenal gland D. Pancreas
Answer:
b
Explanation:
Parathyroid glands release a hormone to regulate calcium levels in the bloodstream the regulation of calcium levels in the blood.
Explanations:
Endocrine glands are the gland that secret hormone directly into the blood for creating certain stimuli. Parathyroid glands produce parathyroid hormone, which plays a key role in the regulation of calcium levels in the blood. The parathyroid glands are two pairs of small, oval-shaped glands. They are located next to the two thyroid gland lobes in the neck. Each gland is usually about the size of a pea.
functions:
Release of calcium by bones into the bloodstreamAbsorption of calcium from food by the intestinesConservation of calcium by the kidneysStimulates cells in the kidney to transform weaker forms of vitamin D into the form that is strongest at absorbing calcium from the intestines
therefore, option A is the correct answer.
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What effect will a heterotropic activator have on a sigmoidal kinetic plot of V versus [S]?
An effect of a heterotropic activator on a sigmoidal kinetic plot of V₀ versus [S] is a shift to the left by the curve.
What is an enzyme?An enzyme refers to a biological catalyst that speeds up the rate of a chemical reaction, especially by lowering the activation energy of its chemical reactants.
In Science, a heterotropic activator is a regulatory molecule which serves as an activator of the enzyme. Thus, an effect of a heterotropic activator on a sigmoidal kinetic plot of V₀ versus [S] would be a shift to the left by the curve.
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Select the correct answer from each drop-down menu.
The nervous system and the muscle system respond to stimuli to produce motion. The movements of
muscles are mostly voluntary. Involuntary movements occur in these muscles when the nerve impulse passes from a sensory neuron to a motor neuron via an interneuron in the
.
The nervous system and muscular system respond to stimuli to produce movement.
What is nervous impulse?
The nerve impulse corresponds to an electrical current that propagates through neurons, thanks to a process of membrane depolarization. This depolarization process occurs through stimuli and its function is to transmit certain information to other cells (nervous, muscular or glandular).
With this information, we can conclude that the nervous system and muscular system respond to stimuli to produce movement.
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Answer:
skeletal
spinal cord
Explanation:
just took test on edmentum and got 5/5
Environmental degradation decrease the production. why
Environmental degradation decreases production because it obliterates the environment for the survival of plants and crop species by miscellaneous factors.
What is Environmental degradation?Environmental degradation may be characterized as the deterioration of the environment through a deficiency of natural resources such as air, water, and soil. In other words, it may refer to the obliteration of ecosystems and the termination of wildlife.
It influences productivity by cutting down forests and trees, privileging their livestock to overgraze in fertile lands and devastate its productivity, utilization of harmful chemicals in agricultural practices, farming in marginal lands, etc.
Therefore, it is well described above.
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Question 7 of 10
How much of Earth is covered in water?
OA. 50%
B. 95%
OC. 25%
OD. 75%
Vacuoles in a cell are used for:
Answer:
the storage of water in plants
Answer:
Vacoules in cells are used for the storage of water.
Proteins and DNA are stored in Nucleus.
Use the following vocabulary words in a coherent paragraph using the image below as a resource. Highlight your vocabulary words.
Transmit Absorb Frequency Light Energy Reflection Transparent
(image attached)
thank you!! WILL GIVE BRAINLIEST!!
Answer:
Transmit - cause (something) to pass on from one place or person to another.
Absorb - take in or soak up (energy or a liquid or other substance) by chemical or physical action.
Frequency - the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second.
Light Energy - Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun.
Reflection - the throwing back by a body or surface of light, heat, or sound without absorbing it.
Transparent - (of a material or article) allowing light to pass through so that objects behind can be distinctly seen.
Answer:
In the photo to the left, we can see a red tomato. This tomato appears red because of how it is interacting with the light energy it is receiving. It is reflecting red, and absorbing all other colors: orange, yellow, green, blue, and violet. In this depiction, you can see an entire rainbow of colors going into the apple and only red coming/bouncing (reflecting) back off. You can also see the green of the stem, which is colored in the same way. It absorbs certain frequencies of light--all other colors of light than green--and reflects certain frequencies of light, green light.
In this image, we are able to see the apple and stem because the air/medium that we are seeing this image through is transparent. If the surroundings were opaque, we wouldn’t see red at all (all colors would be blocked if light is blocked).
Another transparent factor in this image are light waves. Actual lightwaves (unless they are being refracted in such a way that they are being spread out--like a laser beam hitting a spray of water mist) are transparent.
You wouldn’t be able to see the [red] lightwaves bouncing off, you would only see the red of the apple. When light is being refracted by a different translucent material--such as glass, plastic, and water--that material is also transmitting the light, it is passing on the light wave. This is when refraction/the bending of light due to a change in media occurs.
hope this helps!!
Which cells are present during acute inflammation?
Neutrophils are the cells which are present during acute inflammation.
What is Neutrophil?These cells are referred to as granulocytes and make up of majority of the white blood cells.
When inflammation occurs, the neutrophils go to the site and destroy the micro-organisms through ingestion or releasing enzymes so as to keep the body safe.
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How can aids be transmitted from one person to another.
Answer:
Sexual Activicty
Explanation:
Looking at the graph (photo attached), what is the independent and dependent variable?
Answer:
Temperature(0C)= Independent
Light Intensity(candelas)= Dependent
Explanation:
Dependent is always the Y-axis (vertical line)
Independent is always the x-axis(horizontal line)
s. aureus has been isolated from george’s infected wound. to satisfy koch’s postulates, what would george’s doctor need to do with the isolated s. aureus?
George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.
What is Koch's postulates?Robert Koch was a famous microbiologist that made some postulates as follows:
The bacteria must be present in every case of the disease.The bacteria must be isolated from the host with the disease and grown in pure culture.The specific disease must be reproduced when a pure culture of the bacteria is inoculated into a healthy susceptible host.The bacteria must be recoverable from the experimentally infected hostAccording to this question, S. aureus has been isolated from George’s infected wound.
This means that in accordance with Koch's postulates, George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.
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The frequency of a wave does not change as it passes from one medium to another. What will most likely happen if a light wave moves from the air into a solid? The wavelength of the light wave will increase. The speed of the light wave will decrease. The wavelength of the light wave will remain the same. 0 The speed of the light wave will remain the same.
Answer:
I think the answer is B. The speed of the light wave will decrease.
Explanation:
Light waves travel fastest in empty spaces, and slowest in solids.
I hope this helps!
Answer:
B. The Speed Of The Lightwave Will Be Modified As It Enters Another Medium (State Of Matter)
Explanation:
Got it right on edge