Answers
Answer:
Oligopoly
Explanation:
That's the answer
Answer:
Oligopoly
Explanation:
Related Questions
Students in a science class were asked to investigate how missing or damaged
organelles affect cellular homeostasis for cells found in muscle tissues.
Which of the following questions should they ask to determine if these muscle cells
are functioning properly? (AKS 151)
At what rate do the chloroplasts of the cell need to capture enough sunlight to
meet the high energy needs of the cell?
At what rate do the ribosomes of the cell need to work to produce enough
glucose to meet the high energy needs of the cell?
At what rate do the mitochondria of the cell need to convert glucose to usable
energy molecules to meet the high energy needs of the cell?
At what rate does the cell wall need to break down its carbohydrate structure to
meet the high energy needs of the cell?
Answers
Answer:
At what rate do the mitochondria of the cell need to convert glucose to usable
energy molecules to meet the high energy needs of the cell?
Explanation:
Organelles are organ-like structures found in cells. The are responsible for the specific actions carried out by each cell. Each organelle has its own specific role to play. However, missing or damaged organelles can have effects on the cells.
Mitochondria are organelles found in cells of all eukaryotic living organisms e.g animal, plants as they are responsible for the synthesis of energy in form of ATP. Since the cells being investigated in this question is a MUSCLE CELL, which is only found in animals, then an appropriate organelle must be investigated.
The appropriate to be asked to know if muscles cells are functioning properly is: At what rate do the mitochondria of the cell need to convert glucose to usable energy molecules to meet the high energy needs of the cell?.
Note that, other options are incorrect because muscle cells do not have chloroplast and cell wall, while ribosomes are not site for glucose production.
Based on the information in the graph, choose the statement that best describes the reaction it depicts. A. The reaction absorbs energy. B. The reaction releases energy. C. The reaction fails to proceed because of insufficient energy. D. The reaction fails to proceed because it does not involve an energy change.
Answers
Answer:
The answer is B the reaction releases energy.
Explanation:
As per the graph, the reaction will release energy. The correct option is B.
What is exothermic reaction?A heat-producing task is an exothermic process. This heat is conveyed to the external environment. Endothermic processes require heat to be supplied to the system from outside the system.
Exothermic reactions are heat-producing chemical reactions. When heat flows from the system to the surroundings, the heat flow q is negative. Exothermic reactions, therefore, have a negative enthalpy of reaction.
Thus, the correct option is B.
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Shannon wants to see if the amount of time she studies will affect her grades. She normally studies for 30 minutes a night but decides to double her study time to one hour per night. Over the next three weeks, Shannon sees her science grade raise 10%
A. Independent Variable=
B. Dependent Variable=
C. Control=
Answers
Answer:
it is an independent variable as it can be changed by studying and also a dependent variable as you can measure her results and see its increase or decrease
Explanation:
hope this helps
could u pls help me with my latest questions pls pls pls pls pls
The variables in the given situation would be as follows:
A). Independent Variable: Amount of time given on study
B). Dependent Variable: Grade in Science
C). Control: Additional Study of 30 minutes
In an experiment or research, an independent variable is described as a variable that remains unaffected by the change in other but rather a manipulation or change in it can affect the other variables. Dependent variables are the variables that receive a direct effect of change in the other variable and therefore, it is the variable that the researcher aims to measure or study.While control helps in making the comparison of the results with or without it. Thus, the given variables are classified in this situation as mentioned above.
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You are running a marathon and observe that running increases your pulse rate. Using what you know about the scientific method complete the following:
1. Hypothesis: __________________________________________________________________
_____________________________________________________________________________
2. Independent variable: _________________________________________________________
3. Dependent variable: ___________________________________________________________
4. Controlled variables (at least 3): _________________________________________________
_______________________________________________________________________________
5. Control Treatment: ___________________________________________________________
6. Experimental Treatment: _______________________________________________
Answers
Answer:
hypothesis is A hypothesis (plural hypotheses) is a precise, testable statement of what the researcher(s) predict will be the outcome of the study.
Explanation:
independent variable is what u can change
dependent variable is the one u can measure
control variable is one u keep the same
control treatment In the design of experiments, treatments are applied to experimental units in a treatment group. In comparative experiments, members of a control group receive a standard treatment, a placebo, or no treatment at all. There may be more than one treatment group, more than one control group, or both
experimental treatment in research, the conditions applied to one or more groups that are expected to cause change in some outcome or dependent variable.
How is tonicity affected by solutes?
Answers
Unlike osmotic pressure, tonicity is influenced only by solutes that cannot cross the membrane, as only these exert an effective osmotic pressure. Solutes able to freely cross the membrane do not affect tonicity because they will always equilibrate with equal concentrations on both sides of the membrane without net solvent movement.
PLEASE HELP MEH!!!!
A patient’s blood is tested for growth hormone which has a molecular mass of 848.952 g/mol. The test results show a normal concentration of 4 . 0 × 10 − 6 g/L. How many moles of growth hormone are in 1 L of blood?
Answers
1) Which of the following types of heterotrophs eat other animals?
A. omnivores
B. herbivores
C. carnivores
Answers
Answer:
A & C (Omnivores and Carnivores) eat other animals.
Answer:
A and c
Explanation:
heterotrophs eat other animals?
. omnivores and carnivores
Which eukaryotic kingdoms could be made up of multicellular organisms
Answers
Answer:
the inside
Explanation:
Explain how the bacteria and animals around the hydrothermal vents showed scientists that life was much more adaptable than they had believed.
Answers
Explanation:
Well, its extremely hot in the hydrothermal vents. Scientists simply believed it would be impossible for anything to survive due to the heat. Bacteria and micro-organisms were able to adapt to growing there, though. So in short words, they survived extreme conditions teaching scientists that life was quite adaptable.
Weird fun fact: In Switzerland it is illegal to own just one guinea pig. Felt the need to mention that ^ Sorry, I know it has nothing to do with the question but i felt it was worth speaking of.
What two factors keep Earth in orbit around the sun and the moon in orbit around Earth? A:gravity and distance B:Mass and distance C:force and speed D:gravity and force
Answers
Answer:
gravity and inertia Gravity keeps Earth, along with the other planets in line, as inertia keeps them moving creating an orbit.
its C hope it help
Transpiration is the loss of water from the leaves of plants. The stomata of leaves must
open to allow carbon dioxide to enter the leaf for photosynthesis, but when they are open,
water vapor escapes into the atmosphere.
HYPOTHESIS: As the intensity of light is increased, the rate of transpiration will increase,
as measured in by the loss of mass of the plant.
what is the independent and dependent variable HELP
Answers
Answer:
Explanation:
dependant= loss of mass of the plant (not sure) as you're measuring it i guess? or it may be transpiration. which one are you actually measuring
independent=light of intensity as you're changing
In red shift the wavelengths of light become ?
Answers
According to the article, what are the problems with monoculture farming? Your answer should be written in sentences and not constructed as a list.
Answers
Answer:
In addition to overproduction, industrial monoculture predisposes farms to pest problems. To keep up with intensified production, farmers increased pesticide and fertilizer usage, crop density, and the number of crop cycles per season, but decreased crop diversity
Explanation:
Monocultures lack other plant and animal species that limit the transmission of disease and manage pests through predation, which increases the danger of disease and pest outbreaks.
What is monoculture farming?One variety of crop is grown at a time on a particular field in a practice known as monoculture farming. A poly culture system, in contrast, presupposes that two or more crops are sown in a field at once.
Because monoculture farming has the potential to disrupt the natural soil balance, it is not sustainable.
The soil moisture is unstable in a typical monoculture situation. Due to the increased need for water to irrigate crops, water sources including rivers and reservoirs are being unevenly drained.
Therefore, monoculturing is not suitable.
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What defines the carrying capacity of a particular species?please help
Answers
Explanation:
avarage particular size in capacity
All of the following movements can occur across the intervertebral joints of the vertebral column except:______
a) extension.
b) lateral flexion.
c) flexion.
d) dorsiflexion.
Answers
Answer:
D) dorsiflexion
Explanation:
extension, lateral flexion, flexion can occur across intervertebral joints of the vertebral column. Dorsiflexion is the odd one out.
Dorsiflexion is the act of bringing the toes closer to the shin, it is also referred to as the backward bending of an individual's foot or hand. when someone is walking on the heels of their ankle, their ankle can be described to be in dorsiflexion. therefore option d answers the question.
Where are there typically more ecological hotspots?
Answers
Answer:
There are currently 36 recognized biodiversity hotspots. These are Earth's most biologically rich—yet threatened—terrestrial regions. To qualify as a biodiversity hotspot, an area must meet two strict criteria: Contain at least 1,500 species of vascular plants found nowhere else on Earth (known as "endemic" species). The Andes Mountains Tropical Hotspot is the world's most diverse hotspot. About one-sixth of all plant species in the world live in this region. The New Zealand archipelago is another hotspot.
Explanation:
I need some help! What cell structure goes to what definition? The structures as well as the descriptions are below.
lysosome
vesicle
nucleus
Golgi apparatus
chloroplast
smooth endoplasmic reticulum
nucleolus
rough endoplasmic reticulum
ribosome
mitochondrion
1.
contains chlorophyll, site of photosynthesis
2.
contains chromosomes, directs cell’s activities
3.
contains hydrolytic enzymes
4.
membranous network that detoxifies and helps synthesize lipids
5.
membranous network that helps synthesize proteins
6.
modifies and stores the products of the ER
7.
site of cellular respiration and ATP production
8.
site of protein synthesis
9.
site of ribosomal RNA synthesis
10.
small membrane-bound sac within a cell
Answers
Answer:
1-chloroplast
2-Golgi apparatus.
Explanation:
Enzymes are biological catalysts. Enzymes are proteins that are found inside cells to
increase the rate of chemical reactions within each cell. Enzymes are denatured
(destroyed) by various environmental conditions. Amylase is an enzyme in the digestive
system that helps to break down complex carbohydrates into simple sugars.
HYPOTHESIS: Amylase works best in an environment with a pH level of 7. what is the independent and dependent variable sum1 please help!
Answers
Answer:
Explanation:
independent= pH as you will change the pH in order to test your hypothesis and see if it's true
dependent= how amylase works-needs to be measured so you can see how easily it does it function depending on the pH (dependent on the independent variable)
The independent variable is pH, you change it to test your hypothesis; The dependent variable is the activity of amylase enzyme depend on the pH value.
What are the properties of an enzyme ?Enzymes are protein catalysts that speed up the rate of biochemical reactions
The enzyme activity is pH-specific, catalyze both forward and reverse reaction but do not decide the direction of the biochemical pathway.
An enzyme have active site which bind to substrate and form desired products.
Several factors influence the enzyme activity like heat, temperature and varying pH.
Enzyme show absolute, relative, group, stereo-specificities and regulatory function.
Physical properties include enzyme act as colloid, it become inactivated below boiling point of water.
Enzymes are thermos-labile as it can withstand temperatures of 100 degrees.
The optimum temperature needed for enzymatic activity varies from 25 degrees Celsius to 45 degrees Celsius.
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How is it possible that all animal life depends on the chloroplast for energy
Answers
chloroplast contains chlorphyll . Chlorophyll is used in photosynthesis to produce glucose . (photosynthesis is a process where green plants manufacture simple sugar (glucose) from carbondioxide and water by using sunlight ) 6co2+6h2o=c6h12o6+6o2
if theres no chloroplast no glucose will be produced so animals will have no energy. chloroplast must be present in order of photosynthesis to take place and produce glucose , when plants produce glucose animals get the energy needed by feeding on plants (in simple words animals eat the sugar that plants have produced )
What type of macromolecule is oil?
Answers
hope this helped!!!
What are the 5 main steps in the formation of the Solar System?
Answers
Answer:
These steps should cover it all
Can i have brainley please
Explanation:
Step 1 of the formation of the solar system
the solar nebula collapses
Step 2 of the formation of the solar system
rotating protostellar disk
Step 3 of the formation of the solar system
center of nebula fusion begins, star is born
Step 4 of the formation of the solar system
Planeteseimals eventually planets form
The formation of clumps, its collapse, heating and rapid cooling, formation of planetesimals, and Oligarchic growth are the five main steps of solar system formation.
What is a solar system?The Solar System is composed of the Sun and the planets gravitational bound to the Sun.
The Solar System went through five stages of creation and initial evolution:
The establishment of dense clumps within a massive molecular cloud.The clumps crumble by gravitational force to establish a protostar; angular momentum conservation outcomes in a protoplanetary disc.The sudden heating and cooling of dust results in the formation of Ca-Al-rich refractory aggregates (CAIs) and spatters of silicate melt.Planetesimals form from dust, CAIs, and chondrules.Oligarchic development into planet embryos and planets.Thus, above mentioned are the five steps in formation of solar system.
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Choose the answer that describes biological weathering.
A: lichen growing on rocks
B: salt crystallization forming tafoni
C: stone and boulders moved by water
D: acid in water acting on limestone
Answers
Answer:
A. lichen growing on rocks
Explanation:
Lichen growing on rocks and types of bacteria produce chemicals that weather minerals 3 to 4 times faster than normal.
Plants' roots, mosses, and lichen which grow on rocks highly responsible for biological weathering, hence option a is correct.
What is biological weathering?Rocks are biologically weathered by living things like lichens, mosses, and plant roots, among others.
When plants break apart rocks with their roots or root exudates, this is known as biological weathering. The delayed process might have a significant impact on how a landscape is formed.
Mosses and lichens are able to break down the rock on which they grow by producing various acids.
Therefore, lichens and non-vascular plants can speed up the weathering of the rock they grow on significantly, hence option a is correct.
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Which clue can be used to identify a chemical reaction as a combustion reaction? Oxygen is a product. A hydrocarbon reacts with oxygen. Water and carbon dioxide react. The reaction involves ions.
Answers
Answer:
A hydrocarbon reacts with oxygen
Explanation:
The clue that can be used to identify a chemical reaction as a combustion reaction from the options would be if a hydrocarbon reacts with oxygen.
Basically, a combustion reaction is a kind of reaction involving oxygen and another reactant with energy being released in the process. The energy is usually in the form of light and heat.
Thus, following the definition:
Oxygen is rather a reactant, and may not be a product in combustion reactionsWater reacting with carbon dioxide is not a combustion reactionReaction involving ions may not be a combustion reactionThe only reaction that may identify as a combustion reaction is, therefore, the one involving hydrocarbon and oxygen.
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4. If a galaxy is moving towards us, what would happen to the wavelengths of light that we see? How
would that change what we see?
Answers
Answer:
Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. ... When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.
A basic solution will have
O a low hydrogen ion concentration and a high pH.
O a low hydrogen ion concentration and a low pH.
O a high hydrogen ion concentration and a low pH.
O a high hydrogen ion concentration and a high pH.
Answers
Answer:
a low hydrogen ion concentration and a high pH
What relationship does Organism Y have with the other organisms in figure 1?
1. It is the herbivore that feeds on autotrophs.
2. It is the producer that provides the food base.
3. It recycles nutrients by breaking down organic matter.
Answers
Researchers propose a model to explain variation in phytoplankton cell sizes in a marine environment. They base their model on the idea that smaller cells absorb nutrients more efficiently. The researchers predict that the mean diameter of phytoplankton cells will change by 50 micrometers for every 5-kilometer increase in distance from the shore because of a gradual decrease in nutrient availability. To test their model, the researchers determine that the phytoplankton cells found closest to shore have a mean diameter of 900 micrometers. Based on the model, what will be the mean diameter of the phytoplankton cells that are found 25 kilometers from shore?
Answers
The mean diameter of phytoplankton cell is 650 micrometers at a distance of 25 kilometers from the sea shore.
The mean diameter of phytoplankton cell is 650 micrometers because at every 5 kilometers, decrease occur in the diameter of phytoplankton cell about 50 micrometers and we know that the the diameter of phytoplankton cell is 900 micrometers so for 25 kilometers there is 250 micrometers decrease occur in the diameter of phytoplankton cell.
So this 250 micrometers are substracted from 900 micrometers we get 650 micrometers. So we can say that the mean diameter of phytoplankton cell is 650 micrometers at 25 kilometers distance from the sea shore.
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A 7.2 × 10–5 C charge has an electric potential energy of 1.08 × 10–2 J. The electric potential, to the nearest whole number, is V.
Answers
Answer:
150.
Explanation:
On edge
The electric potential, to the nearest whole number is 150 V.
What is the electric potential energy?The electric potential energy denoted by U is proportional to the charge and inversely proportional to the distance between the point where its is brought from infinity to the charge.
U = kQ₁Q₂/r
For identical charge,
U =kQ²/r................(1)
and the electric potential is given by
V = kQ /r................(2)
Dividing both the equations, we get
U/V = Q
Substitute charge Q = 7.2 × 10⁻⁵ C, Electric potential energy U = 1.08 × 10⁻² J, then the electric potential will be
V = 1.08 × 10⁻² / 7.2 × 10⁻⁵
V = 150 Volts
Thus, the electric potential is 150 Volts.
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5 On his voyage on the HMS Beagle, Darwin saw fossils of giant sloths whose bones resembled bones of living sloths, but were much larger in size. Darwin hypothesized that the fossil sloths were related to sloths alive today. This hypothesis was based on (1 Point)
Answers
Answer:
A: observation and inferences
and on this one I am 100% sure it is right
Explanation:
In Oxygen molecule O2, stability is gained through sharing of
Answers
Answer:
Trees and plants.
Explanation:
Trees give us oxygen and plants get rid of carbon dioxide and remake it as oxygen.
In the Oxygen molecule O2, stability is gained through sharing of two pairs of electrons with a single neighboring atom.
What is the sharing of electrons?The sharing of electrons gives rise to the formation of covalent bonds between two atoms. Atoms will be covalently bonded in order to gain more stability. During the process of sharing electrons, they are simultaneously attracted by the two atomic nuclei.
The stability of oxygen molecules is gained through the help of non-polar covalent bonds. This means that there is no difference in electronegativity of bonded atoms.
The valence shell of oxygen has six electrons, so they need two more electrons in order to fulfill its octet and maintain stability. The sharing and paring of electrons between two or more atoms construct a bond known as covalent bonds.
Therefore, in the Oxygen molecule O2, stability is gained through sharing of two pairs of electrons with a single neighboring atom.
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