Answer:
Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall.
Explanation:
Answer:Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall.
Explanation:
which statement best explains the orientation of the phospholipid molecules in this model?
Answer:
B.) The hydrophilic phosphate groups of the phospholipid molecules are attracted to the aqueous internal and external environments.
Explanation:
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Which of the following is a way that minerals are used?
a industry
b. construction
c. technology
d. all of the above
Please select the best answer from the choices provided
Ο Α
OB
Ос
OD
Answer:
Your answer is all of the above, D.
Explanation:
All of the above are ways that minerals are used.
The ways by which minerals are used are as follows:
industryconstructiontechnologyWHAT ARE MINERALS?Minerals are naturally occurring substances with a definite chemical composition.
Minerals are got from the Earth crust and they include;
iron oreGoldSilverCrude oilThese minerals are used in various ways by industries, construction companies and technology etc.
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What was the Court’s decision in United States v. Nixon (1974) and how did the decision uphold the idea that even the President of the United States is not above the nation’s laws?
Answer:
The Supreme Court decided that the President was required to turn over tape recordings and other materials that had been subpoenaed by special prosecutor Leon Jaworski.
In trying to withhold some materials related to the Watergate investigation, Nixon's lawyer had argued that the President of the United States "is not subject to the processes of any court in the land except the court of impeachment." The Supreme Court disagreed, in unanimous fashion. They held that the President could not use executive privilege as an excuse for hiding wrongdoing or avoiding prosecution. In an interview some years after his resignation, Nixon still held to his view, claiming that when the President does something, "that means that it is not illegal." He felt that being in the position of President put him above the law. But the Supreme Court had firmly disagreed. They rejected the idea of "absolute, unqualified Presidential privilege of immunity from judicial process under all circumstances." Executive privilege can only protect matters of military or diplomatic confidentiality
which solution is hypertonic?
Answer:
the beaker
Explanation:
the beaker (0.5 m salt) has more solvent than the red blood cell (0.1 m salt). Therefore, it means that the red blood cell is hypotonic (more water/solute), and the beaker is hypertonic (more solvent/salt).
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A scientist looks at lung tissue under a microscope. Which level of
organization is simpler than lung tissue?
A. The respiratory system
B. The organism
C. Lung organ
D. Lung cells
Answer:
D. Lung cells
Explanation:
There are many organizations of living things and parts of living things. From simplest to complex the levels are: cells, tissue, organ, system, organism. So, if you have lung tissue then the only simpler organization is cells. These are simpler because cells are what make up tissue, just as tissue makes up organs. Through the levels, the more simple something is then the smaller it is, relatively.
why are the larval stages of silk moth and honey bees voracious ? please fast answer me
Answer:
Since that stage is the stage that most of their growth occurs and nutrition is important for their growth. Thus they eat continuously to sustain the growth pattern.
x+-2/3=4/5 respuesta
Answer:
x = 1 7/15
The answer is 1 7/15
Respuesta: x=22/15
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why is the study of coral reefs in Palau is important for other coral ecosystem
Answer:
The study of coral reefs is important for providing a clear, scientifically testable record of climatic events over the past million years or so. This includes records of recent major storms and human impacts that are recorded by the changes in coral growth patterns. The Nature Conservancy and the Palau Government have joined forces to design and implement a protected areas network for Palau’s coral reef ecosystem. They recognized bleaching as being potentially one of the
Explanation:
How many chromosomes does a normal passeriformes have?
Answer:
In general, bird karyotypes have a high diploid number (2n) of typically around 80 chromosomes that are divided into macro- and microchromosomes
Cholera bacteria causes sever diarrhoea. These bacteria spread rapidly when sewage is not piped away. Why is this?
Answer:
Because cholera bacteria rapidly multiplies in areas with improper sanitation and untreated water that people can drink.
When people drink this water, they get severe diarrhoea.
which description of a muscle action is not correct?
Answer:
saying that muscle action is not correct is incorrect
Explanation:
science
Which of these options is not a mechanism to control the opening and closing of ion
channels?
a) ATP binding (ATP gated)
b) Ligand binding (ligand gated)
c) Changes in membrane potential (voltage gated)
d) Distortion of the cell membrane (mechanically gated)
Answer:
D) ATP binding (ATP gated)Explanation:
There are three types of ion gated channel regulated by ligand binding, change in membrane potential and distortion of the cell membrane...
So the answer is ATP Binding( ATP gated) is not a mechanism to control opening and closing of Ion channels.
ATP binding (ATP gated) IS NOT a mechanism to control the opening and closing of ion channels (Option a).
ATP-gated channels are membrane channel proteins that open in response to binding ATP.
These channels require energy in the form of ATP to open and thus allow the passage of ions/molecules across biological membranes.
For example, the P2X7 receptor is an ATP-gated channel that mediates apoptosis (programmed cell death) of immune cells.
In conclusion, ATP binding (ATP gated) IS NOT a mechanism to control the opening and closing of ion channels (Option a).
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how did zebra mussels make it to the united states
Answer:
The zebra mussel is native to Eastern Europe and Western Russia. The species was unintentionally introduced into the United States' Great Lakes through the discharge of contaminated cargo ship ballast water.
which of the following is not an abiotic factor in the prairie ecosystem a water b sunlight c grass d soil
Answer:
Grass
Explanation:
Biotic means living. There are some obvious abiotic factors here. The only gray area is what "soil" encompasses
grass-Biotic means living, all of the other choices are not living, and would therefore be abiotic factors
This is because it is a living thing (performs photosynthesis and cellular respiration).
Biotic means living, all of the other choices are not living, and would therefore be abiotic factors
which is a part of the
The aurora borealis is caused by the
thermosphere.
help me papis
Answer:
The answer to this question is IONOSPHERE
Explanation:
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which type of biomolecule is a prominent part of animal tissue that functions in insulation to help animals conserve heat?
Answer:
Protein
Explanation:
protein is one of the 4 biomolecules that involve animal tissue functioning to help animals conserve the heat.
If two solutions are isotonic to each other then?
which two theories about the formation of the planet's surface features do not include changes in earth's diameter?
A. plate tectonics
B. contracting earth
C. continental earth
D. expanding earth
PLZZSS HELPPPPPPPPPP
Answer:
a
Explanation:
how are most of the non-essential amino acids made in the body?
WHAT IS OSMOREGULATION
Answer:
Osmoregulation is the process by which an organism regulates the water and electrolytic balance in its body to maintain homeostasis.
If you were on Earth at 60° N and looked directly up around noon, what would you see?
Answer:
You would experience 24 hours of it being night or darkness
Explanation:
it is more than 90 degrees away from the suns vertical ray
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the brain and spinal cord are components of the ______ nervous system, while the nerves and ganglia are components of the ______ nervous system.
The brain and spinal cord are part of the central nervous system, while the nerves and ganglia are part of the peripheral nervous system.
What is the nervous system?The nervous system is a set of structures that has the function of :
Maintaining homeostasis inside the body.Regulating mental activity.Reacting to the environment.What are the parts of this system?This system is mainly divided in:
Central: This includes the brain and spinal cord; these organs are considered part of the central system because they are located in the center of the body and they receive information from all the nervous structures in the body.Peripheral: This includes structures such as nerves and ganglia. The peripheral system differs from the central system because these structures can be found in organs, limbs, among others or the "sides" of the body.Learn more about nervous system in: https://brainly.com/question/13487019
differentiate bw jellyfish and hydra
Explanation:
The polyp form is found in the genus hydra, whereas the most typical form of Medusa is found in the group called sea jellies"(jellyfish).
Help!!!!!!!!!
Difference between sperm and zygote
zygote is the diploid cell that results from the fertilization between an egg and sperm
sperm is the male reproductive cell that is responsible for a baby to born
ZYGOTE IS DIPLOID CELL FORM WHEN TWO GAMETE CELLS ARE JOINED BY MEANS OF SEXUAL REPRODUCTION
SPERM IS THE MALE REPRODUCTIVE CELL,OR GAMETE IN ANISOGAMOUS FORMS OF SEXUAL REPRODUCTION.
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Outline the four stages of the demographic transition as it occurred in Europe and North America.
Answer:
Stage 1—High birth and death rates lead to slow population growth.
Stage 2—The death rate falls but the birth rate remains high, leading to faster population growth.
Stage 3—The birth rate starts to fall, so population growth starts to slow.
Stage 4—The birth rate reaches the same low level as the death rate, so population growth slows to zero.
Explanation:
The normal body temperature of an adult human is between 36.1°C and 37.2°C. The normal body temperature of an adult chicken is between 40.6°C and 41.7°C. Based on this information, do you think most human enzymes and chicken enzymes have identical structures? Explain why or why not.
Answer:
Almost 60% of chicken genes correspond to a similar human gene. Although, researchers uncovered more small sequence differences between corresponding pairs of chicken and human genes, which are 75% identical on average, than between rodent and human gene pairs, which are 88% identical on average
Explanation:
promoters of many genes have regions that are rich in adenines and thymines. what is the most likely reason for this?
Answer:
Many promoters of a hypothetical conserved gene have mostly adenines and thymines. What is the most likely reason for this high proportion of adenines and thymines? This is the region for separating template and non-template strands, and A-T base pairs are easier to separate than G-C base pairs.
Explanation:
human construction of buildings and pavement affect the hydrological cycle by
Of the following, what is the most important for ATP production?
A) amount of sunlight
B) carbon dioxide
C) concentration water concentration
D) glucose concentration
E) oxygen concentration
Answer:
B. glucose concentration.
Explanation:
ln general, the main energy source for cellular metabolism is glucose.
A cooler area appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings.
Answer:
Are you talking about a sunspot?
Explanation: