Answer:
plants
Explanation:
because animals can maybe poop or pee on the water .and also people are the same too.so plants are the least likely to cause water pollution
What would be a good positive control for this experiment?
Remember that a positive control should show a change during the experiment.
a) Expose a sample to visible light
b) Keep a sample in the dark
c) Add a molecule that acts as reducing agent
d) Open the lid of the cuvette
Answer: A) Expose a sample to visible light.
Explanation: It is because in this manner the sample can be exposed to the full spectrum of light. By doing this the chlorophyll in the positive control is active and so is the DCPIP and in this, it should be reduced by the photosystem.
Changing the structure of the transmembrane domain in the MC4R receptor, which would result in:
A. an increase in MC4R signalling
B. an elongated C-terminal
C. an inability for the receptor to be embedded in the cell membrane correctly.
D. an overexpression of MC4R at the cell membrane
Answer:
Answer is C
Explanation:
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4. There is a new viral disease in the human population. You found that the
isolated viral particles do not lyse human cells when cultured together. You
also found the virus contained a ssRNA genome and curiously, you found
the viral sequences in the host cell genome. What Class of virus do you
think you have? How would you confirm this?
Answer:
COVI-19
Explanation:
In diffusion,
A) the molecules only move if ATP is present
B) the molecules move from an area of low concentration to high concentration
C) the molecules are unable to permeate the membrane
D) the molecules of a substance spread out evenly in the space they occupy
For instance, when a person spray his or her room, from where he or she spray will spread throughout the corners of the room
Which of the following levels of organization is the smallest and simplest?
a. chemical level
b. cellular level
c. organ system level
d. organ level
Answer:
celllular level, chemical level, organ level, and organ system level
Explanation:
Organ system level is the is the smallest and simplest in the levels of organization.
What is Organ system level?It is one of the smallest and simplest levels of organization in which includes:atoms molecules organelles cells tissues organs organ systems and the human organism.So, Organ system level is referred as the smallest and simplest in the levels of organization. (option c)
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which of these is an effect of an algal bloom
Answer:
An increase growth in microorganisms results in oxygen depletion
Explanation:
The growth of algal bloom is caused due to excessive runoff rich in the nutrients like nitrogen and phosphorous. This run off comes from the agricultural field.
These nutrients aids in the growth of the algae(microorganisms) in large number. This growth forms a layer on the water body and use the oxygen present in the water and makes the water oxygen deficient.
all of the following are characteristics of living things expect
Answer:
The ability to move
Explanation:
Have a good day
Answer:
homeostasis
Explanation:
Question:
All of the following are characteristics of life except:
a. growth
b. homeostasis
c. movement
d. reproduction
e. energy use
Can someone help me please!!!
Answer:
take the photo of full question
I can't understand
Animals and plants have certain features which make them to survive in a particular habitat. This is called(a) adaptation (b) speciation (c) specialisation (d) evolution
Answer:
Adaptation
Explanation:
The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation.
when animals adapted environment they can survive
hope it helps
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ATP hydrolysis is needed for active transport. Which of the following requires the transfer of the terminal phosphate group of ATP?
Aquaporins
Carrier proteins
Channel proteins
Sodium potassium pump
Answer:
I would think Channel proteins but I could be wrong
The sodium potassium pump is the only one of the options that requires the transfer of the terminal phosphate group of ATP.
Active transport is the process of moving molecules across a cell membrane against their concentration gradient. This requires energy, which is provided by ATP hydrolysis.
Aquaporins are water channels that allow water to move through the cell membrane without requiring energy. Carrier proteins and channel proteins are also involved in passive transport, which does not require energy.
The sodium potassium pump is an example of active transport. It uses the energy from ATP hydrolysis to move sodium ions out of the cell and potassium ions into the cell. This creates an electrochemical gradient, which drives the movement of other ions and molecules across the cell membrane.
The sodium potassium pump is essential for maintaining the electrical potential of the cell membrane. It is also involved in the transport of nutrients and waste products into and out of the cell.
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How is CO2 essential for life?
Answer:
if there will be no CO2 then there will be no food because the green plants produce food using the CO2 only
Explanation:
brainliest plz
Answer:
Carbon dioxide provides the carbon that is the building block of all life. Plants consume carbon dioxide to grow and animals consume plants to obtain the necessary carbon for existence. ... All plants and animals die. The carbon eventually becomes coal, natural gas and crude petroleum locked inside the earth
How many chromosomes would there be in each cell after meiosis I?
Answer:
it would be 23 chromosomes
Explanation:
my teacher just told me yesterday
Protein Folding Notes
Answer:
"Protein folding occurs in a cellular compartment called the endoplasmic reticulum. This is a vital cellular process because proteins must be correctly folded into specific, three-dimensional shapes in order to function correctly. Unfolded or misfolded proteins contribute to the pathology of many diseases."
Explanation:
which of the following summarizes the endocrine system's role?
- to carry nerve impulses throughout the body in order to maintain homeostasis
- to receive information about what is happening inside and outside of the body
- to regulate body activities (like growth and immunity) by sending chemical messages
- to send electrical messages about how the body should respond to stimuli
Answer:
To regulate body activities (like growth and immunity) by sending chemical messages
Explanation:
I'm not 100% sure about this, but this seems most likely after a quick internet search.
I hope this helps, but you might want to double-check this.
What is reproduction?
a. A formation of new traits
b. The process of producing new living things
c. The creation of living things from nonliving materials
d. The ability to make offspring using energy from the sun
Answer:
B
Explanation:
Reproduction is when a living thing mates and is capable of making another living thing. That means it's the process of NEW living things, because it's being created. Hope that helps:)
Answer:
Option B (The process of producing new living things)
Explanation:
Further answer:
reproduction is the process of producing new living things which is possible only in living things (not non-living things)..
animals, plants and humans can reproduce...
An -ate or -ite at the end of a compound name usually indicates that the compound contains ____.
Select one:
a.
fewer electrons than protons
b.
neutral molecules
c.
only two elements
d.
a polyatomic anion
Answer:
d. a polyatomic anion
Explanation:
ate and -ite are commonly used for polyatomic ions of Oxygen. - ate is used for the ion that has the largest number of Oxygen atoms. the -ite would be used for the ion with the smaller. NO2 and NO3 are known as Nitrite and Nitrate respectively.
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Short note on : Sustainable harvesting on herbal plants
Answer:
The ecological definition of sustainable harvesting is harvesting that allows population numbers to be maintained or to increase over time. A lagging economy and a lack of alternative construction materials make mangrove harvesting inevitable, and for local people, an economic necessity.
19. All species, including humans, possess ____?
Answer:
Cells, From birds to bacteria, we all have cells or are cells, depends.
Answer:
Below! : )
Explanation:
All animals are eukaryotic, multicellular organisms and most animals have complex tissue structures with differentiated and specialized tissue. Animals are heterotrophs; they must consume living or dead organisms since they cannot synthesize their own food and can be carnivores, herbivores, omnivores, or parasites.
Hope this helps! : )
A population of fruit flies
Answer:
Yes your correct, there are populations of fruit flies.
qué tipos de deformaciones pueden sufrir las rocas? Explicalas
Explanation:
Cuando una roca se somete a un esfuerzo creciente, pasa por 3 etapas sucesivas de deformación. Deformación elástica: en la que la deformación es reversible. Deformación dúctil: en la que la deformación es irreversible. Fractura: tensión irreversible en la que el material se rompe
a __ error occurs when sister chromatids fail to separate properly during meiosis. a)frameshift b)disjunction c)nondisjunction d)genetic
Which step of the scientific method do you perform after you form a
hypothesis?
A. Collect data and observations.
B. Draw conclusions.
C. State the problem.
ОО
D. Conduct an experiment.
Answer:
d. conduct an experiment
Answer:
D. Conduct an experiment.
Explanation:
State the Problem.
Collect Information (Data and Observations)
Form a Hypothesis.
Test Hypothesis: Conduct an experiment
Keep Accurate Record.
Check Results.
Repeat Experiment.*
Draw Conclusions.
Which atmospheric condition will increase the amount of air pollution close to the surface of the Earth?
- Prevailing winds
- Dry deposition
- Thermal inversion
- Photochemical smog
The atmospheric condition will increase the amount of air pollution close to the surface of the Earth is Prevailing winds.
Prevailing winds in the ecosystem blows dust and other particles from
different areas into the air thereby making the air dusty and unsafe for
breathing by organisms.
Prevailing winds has its importance in helping to determine the amount of rainfall an area will receive during a period of time.
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what would a low number of oxygen bubbles indicate about photosynthesis
A low number of oxygen bubbles indicates the rate of photosynthesis.
What is Photosynthesis?This is the process in which green plants manufacture their food. Carbon dioxide is used up and oxygen is given off during this process.
The bubbles means oxygen is present which translates to a low number of bubbles depicting a decrease in photosynthetic activity and vice versa.
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Which TWO pieces of evidence suggest that the test of introducing Texas panthers into Florida
was successful?
A. Va
The total population of panthers in Florida has increased over time.
B.
The percentage of pure Florida panthers in the region has increased over time.
C.
The area of habitat available to panthers has increased over time.
D.
The hybrid panthers have better survival than pure Florida panthers.
E.
The percentage of hybrid panthers in the population has decreased over time.
This illustration shows a kind of animal that is a free-living organism.
What is the common name of this organism?
planarian
tapeworm
fluke
amoeba
Answer: fluke
Explanation:
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The cell membrane potential is maintained by the ion channels with movement of ions into and out of the cell. Using the model below, if there was a decrease in protein C, what would be a likely outcome?
The membrane will be maintained by an increase of Na+ ions into the cell.
The membrane potential will be disrupted by a decrease in K+ concentration inside the cell.
The membrane potential will be disrupted by an increase in Na+ concentration inside the cell.
The membrane potential will be maintained by an increase in K+ concentration inside the cell.
Answer:
The loss of protein x function would lead to an increase in intracellular potassium ion ( K+) concentration
Definición de minerales
English-
Definition of minerals -
a solid inorganic substance of natural occurrence.
Spanish-
Definición de minerales -
una sustancia inorgánica sólida de ocurrencia natural.
Where does the energy from and where does it end up?
Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun. Electricity falls into its own category because it's an energy carrier and not a primary source.
A bacterial cell usually contains a single loop of DNA that is located in the cytoplasm of the cell and is not surrounded by a nuclear membrane. Some bacteria have additional loops of DNA called plasmids. Plasmids can be used for genetic engineering because DNA from other organisms can be spliced into a plasmid loop. For example, scientists in the late 20th century discovered a way to insert the portion of human DNA that codes for the protein insulin into plasmid E. coli bacteria. Which statement best explains why these genetically modified bacteria have been useful to society?
A. Human diabetics are now more resistant to bacteria
B. The bacteria are resistant to human diabetics
C. The bacteria can now make their own insulin
D. the bacteria are used to produce cheap insulin.
Answer: A is the correct answer.
because for the treatment of one type of diabetes insulin should be provided but isolation of insulin and production is so costly.
but as DNA recombination has developed we can use bacterial replication system to produce insulin. they replicate very fast so large amount of insulin will be produced and then it can isolated.
but we also know that insulin of bacteria needs some modification before it can be used in human.
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