Answer: C hindbrain
Explanation:
The hindbrain (developmentally derived from the rhombencephalon) is one of the three major regions of our brains, located at the lower back part of the brain. It includes most of the brainstem and a dense coral-shaped structure called the cerebellum.
The fluid-mosaic model of cell membranes refers to the discovery that membranes are composed
of a bilayer of phospholipids with proteins embedded; both phospholipids and proteins can easily
flip from inside to out (or vice versa), but cannot move laterally in the membrane.
O True
O False
Answer:
False
Explanation:
The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving.Membrane proteins and phospholipids are unable to move back and forth between the inner and outer leaflets of the membrane at an appreciable rate. However, because they are inserted into a fluid lipid bilayer,both are able to diffuse laterally through the membrane.
Individual phospholipids and proteins can rotate and move laterally within a bilayer.
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how many grams of calcium chloride would you add to water for a total volume of 500ml to make 5% solution
25gm of calcium chloride(CaCl2) added to water for a total volume of 500ml to make 5% solution
You must prepare a 5% calcium chloride (CaCl2) solution in order to answer this question. There should be 1000 grams of weight for every 1000 ml of water. The required CaCl2 for a 5% solution would then be:
5% * 500 ml * 1 g/ml = 25 g
Since 1 calcium and 2 chlorine combine to form calcium chloride, the molecular mass is calculated as (1*40) + (2*35.5) = 111 gram/moles. In such case, 25 grams of CaCl2 would be equal to 25/111 moles when divided by 111 grams.
The mole per 1000 ml of solvent is the molarity unit. Accordingly, the solution's molarity would be as follows: (25/111 moles) / (500ml/1000ml)= 50/111M= 0.45M
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does anabolic or catabolic release energy?
Answer:
so yes
Explanation:
Catabolic reactions break down complex chemicals into simpler ones and are associated with energy release. Anabolic processes build complex molecules out of simpler ones and require energy.
A scientist is designing an investigation to find out what is the amount of light that a plant receives is related to how much food the plant has to help it grow. For her experiment, the scientist plans to get one plant only one hour of light per day another plant five hours of light per day and a third plant 10 hours of light per day. Then she will use a roller to measure how much each plant grows each day. The set up for her experiment is shown below. Which of the following will help make sure that the investigation is a fear test?
a. Use the three different types of lightbulbs.
b. Give the plants with less light more fertilizer.
c. Give each plant the same amount of fertilizer.
d. Use three different types of plants.
Answer:
c
Explanation:
two find the effect of a variable ,which is light in this experiment, all the other conditions should be fixed
The color of the fur is the
.The genetic combination of alleles that determine the fur color is called the
.
In the picture, identity the following
stages in the cell cycle.
A.
B.
C.
D.
E.
Which phase is not represented in this picture? Why?
The cell cycle involves the interphase, cell division, and cytokinesis. processes. A- Telophase, B- Anaphase, C- Metahase, D- Prophase, E- Interphase. The phase we can not see is cytokinesis.
What is the cell cycle?
The cell cycle is composed of three main stages: the interphase, cell division, and cytocinesis.
During the interphase, the cell prepares to divide. It duplicates its size and content, including genetic material. This phase is divided into three stages: G1, S, and G2 stages.
After the interphase the cell goes through division,
somatic cells and germ cells → mitosis germ cells → meiosisMitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
Mitosis occurs in only one phase.
In the prophase, it occurs chromosome condensation and nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus capture chromosomes and take them toward the center of the cell, to the equatorial plane, where they line up.Each chromatid joins with a microtubule of opposites poles.
Sister chromatids are held together until they reach the Anaphase, during which other enzymes are activated to break the bonds and separate the chromatids, which migrate to the opposite poles. In telophase, the duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, occurs cytokinesis.
In the exposed image we can see a piece of tissue and different cells in different division stages.
A- Telophase ⇒ we can see the uncondensed chromosomes already in the poles.
B- Anaphase ⇒ we can see chromatids migrating to the opposite poles.
C- Metaphase ⇒ We can see the chromosomes aligned in the equatorial plane
D- Prophase ⇒ We can see chromosomes in the nucleous before the nuclear membrane breacks. The nucleolus is not visible anymore.
E- Interphase ⇒ The nucleus is still well-defined and the nucleolus is visible.
Cytokinesis is the stage we can not see. This might probably be because,
neither of the cells has reached this stage yet or has already occurred. the used stain does not show the cytoplasm.
Cytokinesis should be seen as a thin, light membrane separating cytoplasm and the new nuclei.
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7) You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4 and a size 5 ball. You have someone time how long the ball stays in the air for each of the trials. You test each size ball a total of ten times, and average the time for each.
What is the dependent variable?
What is the independent variable?
What is the controlled variable(s)?
under what conditions might a predominantly sandy soil be advantageous for plant growth
The majority of flowering plants benefit from the sandy soil's ability to drain effectively because it is lighter weight, doesn't compact, and generally makes for easier digging and composting than clay soils.
A loose, airy texture that doesn't compact and encourages proper drainage are just a few advantages.Carrots and other root crops grow neatly straight, and the roots of all plants spread out more readily.Sandy soil has a longer growing season because it freezes later in the winter and warms up more quickly in the spring.Due to the comparatively large particle size in sandy soils, they are less fruitful than other soil types and more likely to dry up.Sandy soils are sometimes thought of as having simple-to-define physical characteristics, such as a lack of structure or a weak structure, poor water retention abilities, high permeability, and high sensitivity to compaction with numerous negative effects.
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How was hellenistic Greece influenced by Classical Greece?
Classical Greece helped with the art and construction styles.
The amount of a product offered for sale at a given price is
The quantity offered is the total amount of a good or service made available for purchase at a specific pricing point.
Higher prices typically result in greater supply, and vice versa, in a free market. The quantity offered is the total amount of a good or service made available for purchase at a specific pricing point. Quantity supplied in economics refers to how many products or services suppliers are willing to manufacture and offer for sale at a specific market price. Given that price variations have an impact on how much supply producers actually place on the market, the quantity supplied differs from the supply's total amount (i.e., the total supply). The term "price elasticity of supply" refers to how supply responds to price fluctuations.
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witch statement is one of the three parts of cell theory
The three statements that make up the cell theory are as follows:
Cells are the fundamental and basic unit of lifeAll living organisms are made up of one or more cellsAll cells arise from pre-existing cellsWhat is the cell theory?Cell theory is the scientific theory proposed by three scientists that all living organisms are made of cells as the smallest functional unit.
The cell theory was proposed in 1830's by three scientists namely;
Mathias ScleidenTheodor SchwannRudolf VirchowThe components of the widely accepted cell theory are as follows:
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How do I make my legs bigger?
Answer:
Exercise and photoshop
Explanation:
Answer:
Below are 10 of the best leg exercises to build bigger legs for any level of lifter:
1. Back Squats
2. Front Squats
3. Hack Squats
4. Leg Press
5. Stiff Leg Deadlifts
6. Goodmornings
7. Machine Hamstring Curls
8. Machine Leg Extensions
9, Bulgarian Split Squats
10. Walking Lunges
Explanation:
How do you think data and evidence help scientists answer their questions
Information is collected as evidence. It contains facts and data.
Then again, what really is scientific proof?
Empirical evidence is what is employed by scientists.
This is proof that has been obtained directly through observations and measurements. The two basic categories of empirical evidence are qualitative and quantitative.
Observations are used to obtain qualitative evidence, which is then reported through written descriptions of the characteristics of the observations.
The gathering of quantitative evidence involves measurement and computation. It entails figuring out quantities or quantities and sizes. Numbers or amounts are used to describe this type of information.
The scientific method's seven steps
Pose a query. conduct research Incorporate your hypothesisBy performing an experiment, you may verify your hypothesisMake a discoveryMake a judgment based on your analysis of the dataGive the results.Learn more about scientific data here:
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which of the following structures in a human cell contains the cells genetic information
Answer:
The NUCLEUS contains chromosomes, the thread-like structures made of deoxyribonucleic acid, which are the structures that contain the body's genetic information.
Which statement best represents how structure relates to function?
When a sandhill crane finds a mate, it bonds for life.
Longer legs and different hip bones let modern humans walk upright
Parrots typically lay clutches of 2-4 eggs per year.
Hummingbird feathers come in a wide variety of iridescent colors.?
Great white sharks have sharp serrated teeth for tearing into their prey. It can last for years until one of the cranes dies. A Hummingbird's feathers are iridescent and reflect light due to the structural make-up of the feather.
Hummingbird feathers are in general black, brown, white, and reddish brown. The mirrored image of mild off their unique feathers gives an iridescence and brilliance to the hummingbird's shade. Hummingbirds have almost one thousand feathers on their frame. The definition of iridescent is something that has rainbow-like colors. An instance of iridescent is the inner of an abalone shell. outstanding, lustrous, or colorful.
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What features do all arthropods have in common
Answer:
they all have a exoskeleton, bi-lateral symmetry, jointed appendages, segmented bodies, and specialized appendages.
Explanation:
Answer:
An exoskeleton is what all arthropods have in common. This is a feature where the organism has a skeleton outside its skin rather than inside like humans do.
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If there is a pollution plume on one side of an aquifer, and someone pumps water from the opposite side of the aquifer, do you think the pollution plume will move towards the pump, away from it, or stay in the same place?
The pollution plume will move towards the pump when someone pumps water from the opposite side of the aquifer when there is a pollution plume on one side of an aquifer.
What is a plume in the environment?A column of liquid, gas, or dust traveling through another is referred to as a plume. In general, we refer to things like smoke flowing from a chimney or steam issuing from a smokestack at a power plant as plumes. A plume could also be a snowflake or a raindrop.
As water flows through and down to an aquifer, certain pollutants are filtered by rock and soil. From the source, a plume of contaminants moves outward through the aquifer in the direction the water is flowing.
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Which statement describes carbon's unique bonding ability?
Carbon can easily form 2 covalent bonds with other atoms.
Carbon can easily form 4 covalent bonds with other atoms.
Carbon can only bond with other carbon atoms.
Carbon can bond with all other atoms.
The statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms (option B).
What is a covalent bond?Covalent bond is a type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
Carbon is a chemical element (symbol C) with an atomic number of 6. It is a unique element with unique characteristics.
This uniqueness of carbon is attributed to its ability to form four covalent bonds with other atoms because of its four valence electrons.
Therefore, the statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms.
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Problem 1
A botanist studying flowering plants observed that when two true breeding
(homozygous) plants, one with white flowers and one with pink flowers, were
crossed, the resulting F₁ progeny were all pink.
a) What is the dominant phenotype?
The dominant phenotype is Pink
A monohybrid cross is made up of two homozygous individuals that have the opposing phenotype for a particular genetic characteristic. "A monohybrid cross is a cross between two monohybrid characteristics (TT and tt)." The monohybrid cross is in charge of passing one gene on.
What is a Dominant phenotype ?When two dominant alleles are inherited (homozygous dominant) or when one dominant and one recessive allele are inherited, a trait is said to have a dominant phenotype (heterozygous dominant).The relationship between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent. One allele of a gene, known as the dominant gene, will be expressed if the alleles are different.Learn more about Dominant phenotype here:
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Which list is an organ system?(1 point)
a. the heart, arteries, and veins
b. the heart, the stomach, and intestines
c. the liver, the bladder, and the heart
d. the liver, blood, and skin
I selected D. do you think its correct?
Answer:
B
Explanation:
the heart, the stomach and intestines
Which of the following is the best description of what the atomic mass of an element is roughly equivalent to?
A. The number of protons
B. The number of electrons
C. The number of neutrons
D. The number of protons plus the number of electrons
E: The number of protons plus the number of neutrons
Answer:
I believe its E
Explanation:
Atomic mass = atomic number + amount of neutrons
Atomic number = amount of protons
Therefore Atomic mass is the amount of protons plus the amount of neutrons so your answer would be E.
Example of the nucleus acid include
Answer:
Explanation:
Two examples of nucleic acids include deoxyribonucleic acid (better known as DNA) and ribonucleic acid (better known as RNA). These molecules are composed of long strands of nucleotides held together by covalent bonds
Which area of the ocean, as described above, best fits the definition of a commons?
The area of the ocean, as described above, that best fits the definition of a commons is The high seas
This is because the part of the oceans that lie beyond coastal states' 200-mile exclusive economic zones—is a commons and this is an area that is known as the high seas.
With this in mind, an ocean which is a body of salt water that is found in huge basins on Earth's surface and the commons that can be found there is the high seas.
What is a Commons?This refers to the cultural and natural resources that people in a community have access to and these can include natural materials that are used by all such as air, water, etc.
Hence, we can see that The area of the ocean, as described above, that best fits the definition of a commons is The high seas
This is because the part of the oceans that lie beyond coastal states' 200-mile exclusive economic zones—is a commons and this is an area that is known as the high seas.
With this in mind, an ocean which is a body of salt water that is found in huge basins on Earth's surface and the commons that can be found there is the high seas.
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What would happen to homeostasis in the kangaroo rat's body if it was unable to concentrate urine in its kidneys?
When the copper (II) sulfate and sodium hydroxide indicator turns from blue to purple, that means:
When the copper (II) sulfate and sodium hydroxide indicator turns from blue to purple, that means that protein is present.
What are food tests?We know that foods are those chemical substances that we take into the body for the nourishment of the body. Foods are broken down by certain chemicals in the body called enzymes in order to produce energy.
Since foods are chemical substances, they can be identified by interaction with other chemical substances. One of the indicators used in a food test is copper (II) sulfate and sodium hydroxide.
When the copper (II) sulfate and sodium hydroxide indicator turns from blue to purple, that means that protein is present.
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True or false: If you take a thermal energy source and combine them with inorganic
molecules, you can create protein structures. Explain.
yes we can combine the thermal energy sources with inorganic molecules and we can also make a structures.
The thermal energy also called heat energy which are produces from the following sources such as combustion, burning of fossil fuels and microwaves etc.along with heat energy but few gases are also released which we can used for our own purpose.In case of inorganic molecules or compound are those which does not include carbon sources but other molecules like Sulphur , nitrogen etc.For the formation of any compound we need energy either to break the bond or to formed the new bond. For example to formed the diamond we burnt the coal at very high temperature and large amount of heat is supplied.Therefore, the energy and molecules can combine together to formed the biomolecular structure or any other molecular structure.
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If a solution has a pH of 5, how many ions of H+ are in the solution?
*
1 point
1 x 10^-3
1 x 10^-4
1 x 10^-5
1 x 10^-6
Considering the definition of pH, the concentration [H⁺] is 1×10⁻⁵ M.
Definition of pHpH is the Hydrogen Potential. It is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.
Mathematically, pH is calculated as the negative base 10 logarithm of the activity of hydrogen ions:
pH= - log [H⁺]
The numerical scale that measures the pH of substances includes the numbers from 0 to 14. The pH value 7 corresponds to neutral substances. Acidic substances are those with a pH lower than 7, while basic substances have a pH higher than 7.
Amount of ions of H⁺ in the solutionIn this case, you know the solution has a pH of 5. You can replace this value in the definition of pH:
5= -log [H⁺]
Solving:
[H⁺]= 10⁻⁵ M
[H⁺]= 1×10⁻⁵ M
Finally, the concentration [H⁺] is 1×10⁻⁵ M.
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Which of these is a characteristic of a virus?
It invades a host organism and reproduces inside the host.
It can grow on any surface provided there are nutrients.
It can independently make its own proteins and survive.
Characteristic of a virus is It invades a host organism and reproduces inside the host.
A virus is an infectious submicroscopic creature that only reproduces inside of live cells. All living things, including plants, animals, and microbes like bacteria and archaea, are susceptible to virus infection. Since Dmitri Ivanovsky's 1892 publication revealing a non-bacterial pathogen infecting tobacco plants and Martinus Beijerinck's 1898 discovery of the tobacco mosaic virus, more than 9,000 virus species—out of the millions of different types of viruses in the environment—have been documented in detail. Viruses are the most common sort of living organism and can be found in practically all ecosystems on Earth. Virology is the study of viruses; it is a branch of microbiology.
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Plss help meee pls :’0
Choose a plant structure and animal structure that serve a similar function in each
organism. Describe the structures and how they each organism survive.
Answer:
Structurally plant and animal cells are very similar because they are both eukaryotix cells they both contain membrane bound organisms such as nucleus method
Arjulia soaked six different kinds of seeds in water for 24 hours. Then she planted the seeds in soil at a depth of 1 cm. She used the same amount of water, light, and heat for each kind of seed.
Answer:
a
Explanation: