Answer:
(C) the brain is made up of tissues with different functions that work together.
a pharmaceutical company has developed a new weight loss drug for women. preliminary tests show that the drug seems to be fairly effective in about 75% of test subjects. the drug company thinks that the drug might be most effective in overweight women, but they are unsure to whom they should market the product.
use the scientific method to address the pharmaceutical company's needs:
4a. state a research question
4b. conduct online research on "body mass index" categories. record pertinent information and cite your sources
4c. construct a testable hypothesis
4d. design an experiment to test the hypothesis. be as specific as possible in describing what will be observed or measured
In this case, the scientific method can be used to confirm weight loss in 75% of cases by a preclinical assay.
What is a research question?A research question is a given question that can be solved by using the scientific method (e.g., can this drug be used to loss weight?).
A hypothesis is a given explanation of an observation from a question of the real world (in this case, the target drug is effective 75% of cases).
The experimental procedure, in this case, may involve taking two sample populations and supplying the target drug to one to observe if is statistically associated with weight loss.
In conclusion, in this case, the scientific method can be used to confirm weight loss in 75% of cases by a preclinical assay.
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how light refracts off water
Answer: If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angel as it hit the surface
Explanation:
Where does the hydrogen that is used in Stage 2 of photosynthesis come from?
Which animal is native to a different part of the world than the other two?.
The animal that is native to a different part of the world than the other two is the penguin.
What is the penguin?The penguin is one of those birds that do not fly. They are usually found around the southern hemisphere. It is one of the animal that is adapted to living in the sea.
The animal that is native to a different part of the world than the other two is the penguin.
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The ______ states that energy always changes from high quality to low-quality forms.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answer:
J) Second Law of Energy
Explanation:
second law of thermodynamics. Scientific law stating that whenever energy is transformed from one type to another in a physical or chemical change, the result is a lower-quality or less usable energy.
explain closely related but different
Please help me asp
Identify the level of classification that organisms must be in to be able to reproduce.
Kingdom
Order
Species
Genus
Answer:
yh that's species ..,....
Answer:
Species
Explanation:
Taxonomical Hierarchy
Kingdom
=============================
Phylum/Division
==============================
Class
==============================
Order
==============================
Family
==============================
Genus
===============================
Species
As species are the most detailed category, that is the level of classification they must be in to be able to reproduce.
What is the term for the disease whose symptoms includes pallor, shortness of breath, infection, bleeding gums, predominance of immature and abnormally functioning lymphocytes in a young child
Answer: acute lymphoid leukemia
Explanation: Acute lymphoblastic leukemia is the most common childhood cancer. It occurs when a bone marrow cell develops errors in its DNA.
Symptoms may include enlarged lymph nodes, bruising, fever, bone pain, bleeding from the gums, and frequent infections.
When making bread,you add yeastand sugar, buti does not taste steet, why?
Answer:
You don't have enough sweet ingredients in the bread. The other ingredients outbalance the sweet ingredients
Explanation:
Answer:
Yeast is a fungus, and eats sugar for energy. When this occurs, carbon dioxide and fermentation occurs, in which the carbon dioxide is trapped within the bread, allowing for it to rise. If there is little to no sugar left after the bread is completed, then the bread will not taste sweet.
the united states builds between 2 and 5 new nuclear power plants each year for the past 20 years.
true or false
The nuclear power is a technology, providing 11 percent of electricity globally. This provides only one-fifth of America's electricity, and there are currently only five reactors under construction.
What is a nuclear power?The use of nuclear reaction to produce electricity is called as nuclear power.
It can be done either by nuclear fission, decay or fusion reactions mainly by uranium and plutonium.
As America has only 5 reactors under construction recently which provides one-fifth of America's electricity.
Thus, the given statement is false.
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What is the order of the 3 major climates zones moving from the North and South Poles towards the equator?
Tropical, Temperate, and Polar.
What is the independent variable in an experiment testing if caffeine affects the way common house spiders build webs?
a.the number of house spiders you give caffeine to
b. the amount of food you feed the house spiders
c. the body mass of each house spider
d. the amount of caffeine the house spiders receive
Answer:
d.
Explanation:
The independent variable in an experiment is the variable that is manipulated to test a hypothesis. In this case, that is caffeine. In order to study the effects, they have to give different amounts to spiders
The independent variable in an experiment testing if caffeine affects the way common house spiders build webs is the amount of caffeine the house spiders receive. The correct option is b.
What is variable?In science and research, a variable is any factor or condition that can be measured, controlled, or manipulated.
The independent variable is the variable that the researcher manipulates or changes in order to observe its effect on the dependent variable.
In this case, the researcher is interested in the effect of caffeine on the way house spiders build webs, so the amount of caffeine that the spiders receive is the independent variable.
The other options, such as the number of house spiders, the amount of food, or the body mass of the spiders, are not being intentionally manipulated in this experiment and therefore are not the independent variable.
Thus, the correct option is b.
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Which molecules are unable to pass through the phospholipid bilayer?
a
Sugar
b
Water
c
Oxygen
d
Protein
The molecules that are unable to pass through the phospholipid bilayer is sugar .
What is phospholipid bilayer?Phospholipid bilayer refer to a two thin layers which consists of hydrophobic head and hydrophilic tail which allow allow the inflow or outflow of gases and smaller substances in cells.
Therefore, The molecules that are unable to pass through the phospholipid bilayer is sugar .
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What food chain is represented in the food web below?
Answer:
Each level in the food chain is called a trophic level.The different trophic levels are primary producers, primary consumers, secondary consumers, tertiary consumers and quaternaty consumers.
Multiple choice: Circle the best answer.
a
The height of a plant is likely to be determined by
a. genetic factors.
b. factors in the environment.
C. both genetic and environmental factors.
d. neither genetic nor environmental factors.
State four ways in which the mammalian skin responds to low temperature in the environment
When you're out in cold climate, your skin starts shivering so the blood vessels will acquire and keep you as warm as possible.
But if there's a heat wave, you'll sweat to increase the blood flow to the veins, which in turn increases perspiring. This process chills you off as the water disappears from your skin.
How does the skin respond to low temperature?If the skin temperature drops below 37°C, a variety of rejoinders are started in the skin to have the warmth within the body and to increase heat display . These include vasoconstriction, end of sweating, and erection of follicles to increase insulation.
Thus, this could be the answer.
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Which of the following is an example of a free-range farm?
chicken coop
cattle ranch with pasture
puppy mill with cages
hog farm with pens
Astronomy
What are some of the differences between building the ISS to be sent out to space and building a large structure that will remain on Earth? Explore and discuss the differences and similarities in the challenges of constructing something on Earth versus something in space.
In the construction of the building of the ISS, the strength and mass of the materials used are put into consideration since there is less gravity in space.
What is space?Space is the space which is found outside the earth that is occupied and in which the planets and stars are found.
In building the ISS to be sent to space, the materials used are such that they will be able to withstand the collisions with particles found in space.
Consideration is also given to the mass since gravity is smaller in space than on earth.
However, both the ISS and buildings on earth are similar since they are built from materials.
Therefore, in the construction of the building of the ISS, the strength and mass of the materials used are pit into consideration since there is less gravity in space.
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Answer: In the construction of the building of the ISS, the strength and mass of the materials used are put into consideration since there is less gravity in space. After building, the ISS to be sent to space, the materials used are such that they will be able to withstand the collisions with particles found in space. Consideration is also given to the mass since gravity is smaller in space than on earth.
Explanation:
The purpose of ______ is to pass a copy of a cell's gene to cells in the next generation. The purpose of ______ is to pass the parents' genes onto the next generation.
The purpose of reproductive cells is to pass a copy of a cell's genes to cells in the next generation. The purpose of somatic cells is to pass the parents' genes onto the next generation.
Reproductive cells are specialized cells involved in the process of sexual reproduction. In humans and many other organisms, reproductive cells include sperm cells in males and egg cells (or ova) in females. These cells are produced through a unique cell division process called meiosis, which reduces the number of chromosomes in half to create haploid cells.
Somatic cells make up the majority of an organism's body and are involved in various functions, such as growth, repair, and maintaining bodily functions. Unlike reproductive cells, somatic cells are diploid, containing two sets of chromosomes—one inherited from each parent. While somatic cells do not directly pass their genes to the next generation, they play a crucial
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6 The primary function of a plant's roots is to
(1) absorb water
(2) perform photosynthesis
(3) produce seeds
Answer:
1
Explanation: The roots of seed plants have three major functions: anchoring the plant to the soil, absorbing water and minerals and transporting them upwards, and storing the products of photosynthesis.
What are the top two layers of a soil profile called?.
Answer:
Top two layers of a soil profile is: 1.Top soil and 2. Sub soil.
Explanation:
The soil is arranged in layers or horizons during its formation. These layers or horizons are known as the soil profile.
The different layers of soil are:
1.Topsoil
2.Subsoil
3.Parent rock
help me quick please i really need this
Answer:
White Dwarfs
Explanation:
White Dwarfs usually have stars that are between 8,000 K and 40,000 K.
Hope I helped.
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Reduction and eventual increase in the size of populations
Explain these different adaptations:
Behavioral-
Structural-
Functional-
Explanation:
Behavioral adaptation:This is the actions animals/organisms survive.
Structural adaptation:This is the process animals/organisms adjust to live on any surroundings to survive.
Functional adaptation:It is the activity/working of animals/organisms.
What would happen to a compass if earth's magnetic field were to invert?
a.
the compass would point in the opposite direction.
b.
the compass would oscillate between magnetic north and magnetic south.
c.
the compass would not be affected.
d.
the answer depends on the strength of the magnetic field.
The capsid of the virus is made up of
Answer:
The capsid surrounds the virus and is composed of a finite number of protein subunits known as capsomeres, which usually associate with, or are found close to, the virion nucleic acid. I hope this helps and god bless
Explanation:
What kind of compound
does NOT contain carbon or
living properties?
A. plant leaves
B. inorganic
C. organic
D. microorganisms
Answer:
I think it's option C. Organic
How does the loss of leaves help a plant survive winter or long periods without rain?
Answer:
because It loses leaves so that it can keep all of the nutrients and water to the ruts and steam
Explanation:
It can always grow more leaves
Which of the following is not a possible cause for air pollution?
a. volcanoes
b. industry
c. combustion
d. none of the above
18. What would happen to an organism that could not
keep homeostasis of its internal conditions?
Answer:
Death or disease
Explanation:
All of the organ systems of the body work together to maintain homeostasis of the organism. If homeostasis fails, death or disease may result.
Activity: Write in your own words and understanding how do soil formed and identify the factors that helps in the formation of soil.
don use any searching app in answering
Soil is formed by the weathering of rocks which takes place over millions of years. Hence, soil formation is a slow process.
Soil formation takes place in different layers namely topsoil, subsoil, partly weathered rock and parent rock or bedrock.
The topsoil is rich in humus and supports all types of vegetation. Subsoil consists of sand, silt, clay and holds moisture.
Factors Responsible for Soil Formation :The parent rock determines the colour, the texture and mineral composition.Climate controls the rate of weathering, time decides the maturity of soil.Plants and animals contribute to humus formation and the relief of the land determines the accumulation of soil.Answer:
Soil minerals form the basis of soil. They are produced from rocks (parent material) through the processes of weathering and natural erosion. Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material.
Explanation:
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