Answer:
Answer is bile
Cholecystokinin is secreted by cells of the upper small intestine. Its secretion is stimulated by the introduction of hydrochloric acid, amino acids, or fatty acids into the stomach or duodenum. Cholecystokinin stimulates the gallbladder to contract and release stored bile into the intestine.
What are the three possible ways that a species can react to a change in environmental
conditions?
Answer:
here
Explanation:
hibernate,change there coat,or migrate
Species X is an endotherm that is adapted to hot desert weather so that it is able to function well in 120 degree F temperatures. Based on what you know about temperature regulation, which of the following adaptations might allow Species X to live in such a hot environment?
A. Species X has more mitochondrial uncoupler proteins than cool-adapted species to help produce heat.
B. Species X has sensory neurons that are insensitive to temperature so it does not feel hot.
C. Species X does not internally regulate its body temperature so its body temperature is the same as its environment.
D. Species X has long thin ears to help dissipate heat.
Answer:
D. Species X has long thin ears to help dissipate heat.
Explanation:
Endothermic (i.e., warm-blooded) animals often have developed a series of strategies or adaptations associated with heat dissipation with the aim of maintaining thermal balance and avoid water loss. One of these complex adaptations may be the presence of thin ears capable of increasing the surface area of the skin where the blood vessels pass, thus promoting the loss of heat and thereby acting like 'heat radiators'. For example, large thin ears in elephants increase the blood supply, thereby enabling them to lose excess heat in very hot weather.
please help to know this question
Answer:
spontaneous generation is the correct answer
Explanation:
1. The industry that provides commodities that are basic to life is
a. aerospace.
c. biotechnology.
b. agriscience
d. transportation.
What do totipotent cells have the
capacity to do?
Earthworm Data
Plot Number of Earthworms
A 1,145
B 978
C 125
D 1,008
E 959
Juan and Melissa were counting earthworms for a science experiment. They had predicted that they would find more earthworms in plots that shady and lots of damp soil. They marked out 3 meters by 3 meters plots. The shadiest plots were A and D.
What is another possible explanation of the student's data?
A) The plots were not all the same size.
B) The plots were shady but did not have damp soil.
C) Juan and Melissa did not count the worms accurately.
D) The earthworms moved when the students started counting.
A pine tree has recently seen a large amount of growth. A scientist looks at some of the cells under a microscope and notices that the cells are in different stages of the cell cycle, one cell appears to have finished the division stage, but has not fully completed the final phase of the cycle. Which of the following structures below best describes the part of the cell cycle the scientist sees, just before the conclusion of the cell cycle of a pine tree?
A. Cleavage furrow
B. Nuclear membrane
C. Centromere
D. Cell plate
Answer:
Centromere
Explanation:
Suppose researchers are studying biodiversity in tide pool ecosystems. The researchers study 2 tide pools and identify 10 species at each site. Develop a set of questions researchers could investigate to compare species diversity, genetic diversity and functional diversity for each site.
Answer:
How much sunlight does each ecosystem receive? What types of species live in each ecosystem? How is the climate in each ecosystem? What ecological roles are shown in each ecosystem? Is there any genetic variation shown?
Explanation:
The set of questions that the researchers could investigate to compare species diversity, genetic diversity, and functional diversity for the site include:
How is the climate in the ecosystem?How much sunlight does each ecosystem receive? What types of species live in each ecosystem?What are the ecological roles that are shown in each ecosystem?A research question simply means the question that a researcher seeks to get answers to. A good research question should make use of original data and the interpretations should provide an answer.
In this case, the questions such as the climate in the ecosystem, the amount of sunlight received by the ecosystem is vital in showing the relationship among the functional, genetic, and species diversity.
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Why is convection is a method of heat transfer in liquid and in gas but not in solids?
Answer:
Convection is the method of heat transfer by which the movement of actual molecules occurs. In liquids and gases, the molecules are loosely packed, hence can move. On the other hand, in solids, the molecules do not have space to move, hence convection does not occur.
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How did agriculture begin?
Capturing and tending animals.
Collecting seeds from plants.
Sowing specific plants that would attract desired prey animals.
Caring for plants that were growing already
Answer:
I think it's number 2 (viewpoint)
What form do you cells store energy?
Cells store energy in the form of ATP, or adenosine triphosphate. ATP is a molecule produced as a result of cellular respiration, and storing energy.
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12 If pressure is applied to a rock until its volume is
reduced by one half, how does its new density
compare to its original density?
(1) It is half its original density.
(2) It is twice its original density.
(3) It is the same as its original density.
(4) It is one-third its original density.
a
0 1
02
O 3
Answer: The correct answer to the question is option 2
If pressure is applied to a rock until it's volume is reduced by one half how the new density compares to it's original density is ; THE NEW DENSITY IS TWICE IT'S ORIGINAL DENSITY.
Explanation: Density is defined as mass divided by volume,density increases with pressure and it's determined by spaces between atoms in the object being measured.
Density is directly proportional to Pressure,so when pressure increases, Density increases and when pressure decreases,density decreases.
Density is indirectly or inversely proportional to temperature. so when pressure and density increases, temperature remains constant.
This is applicable to the scenerio with the rock in the question,as the pressure on the rock is increasing,the density is increasing too.
Answer:
pjiohugiyftgvuihiojpk[';ojkhugtfhrvgbhjoik;lukgyjvbjknmk,['lk.
Explanation:
What role of ethics play in the study of science?
Answer:
Ethics in general means the moral principles of an individual which rules the mind of an individual and tells him/her about the good or bad.
Ethics play a very important role in science, like there should not be any biased research and also there should be honest reporting of data. If the data is copied or used from any other research done by other scientist then one must provide the credit of sourcing of information. There are many chemicals which are made by the researchers which are very useful for the mankind but on the same hand those can be also used as a weapon and used for mass destruction of mankind, so it is all upto the moral or ethics of the individual.
what is a scientific theory
Answer: scientific Theory. A single explanation that connects a large set of related observations or results from experiments. Scientific Theory. A process that includes the different ways that scientists find out about the natural world and try to explain what they have observed.
Explanation:
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Beyonce wants to test if eating more broccoli will make her stronger. What
is her independent variable? *
A) exercise done
B) strength gained
C) calcium in milk
D) amount of broccoli eaten
Answer:
d
...........................................
the quiver tree grows in desert areas in southern africa
Answer: okay
Explanation:
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What force is jumping on a trampoline a push or a pull
Answer:A push
Explanation: If you jump on a trampoline it pushes you back up into the air.
What two things can never change for atoms of a certain element? (make sure you select both!)
A. atomic number
B. number of protons
C. number of neutrons
D. number of electrons
Answer:
A. Atomic number
B. Number of protons
Explanation:
Protons and electrons are what defines elements. If the number of protons or electrons was changed, you would have a completely different element.
The atomic number of an atom is the number of protons within its nucleus. Again, if you changed the atomic number, you would no longer have the same element.
Neutrons can be added or taken away from an element while keeping that elements properties. Atoms of the same element that differ in neutrons are called isotopes. Isotopes also differ in atomic mass from other atoms of that element, as the atomic mass of an atom is the amount of neutrons AND protons in its nucleus.
Electrons can also change in an atom. Atoms will lose and gain electrons when in contact with other atoms. An atom that loses an atom will have a positive charge (more protons than electrons), while atoms that gain an atom will have a negative charge (more electrons than protons). These are called positive and negative ions. You will likely learn about these later.
Important Vocabulary:
Atomic number: the number of protons an atom hasAtomic mass: the number of protons and neutrons an atom has (this defines the mass of the atom)Isotopes: atoms of the same element with different amounts of neutrons (these will also differ in atomic mass, see atomic mass definition)PLEASE, that’s for today 11:59
Answer:
I think it's A
Explanation:
Because an observation means you're observing something with your eyes, ears, mouth ect. and those are your senses. I really hope that makes any sense :)
Each of the four pedigrees that follow represents a human family within which a genetic disease is segregating. Affected individuals are indicated by filled-in symbols. One of the diseases is transmitted as an autosomal recessive condition, one as an X-linked recessive, one as an autosomal dominant, and one as an X-linked dominant. Assume all four traits are rare in the population and completely penetrant.
Required:
a. Indicate which pedigree represents which mode of inheritance, and explain how you know.
b. For each pedigree, what would you tell the parents about the chance that their child (indicated by the hexagon shape) will have the condition?
Answer:
The following four traits are -:
Pedigree 1 - A recessive trait (autosomal recessive) is expressed by pedigree 1.Pedigree 2- Recessive inheritance is defined by Pedigree 2. Pedigree 3 - The inheritance of the dominant trait (autosomal dominant) is illustrated by Pedigree 3.Pedigree 4- An X-like dominant trait is expressed by Pedigree 4.Explanation:
Explaination of each pedigree chart-
Pedigree 1 demonstrates the recessive trait since their children have been affected by two unaffected individuals. If the characteristics were X-linked, in order to have an affected daughter, I-1 would have to be affected. [tex]X^A[/tex] In this, both parents are autosomal recessive trait carriers, so the child will be affected by a 1/4 (aa) Recessive inheritance is defined by Pedigree 2. This is X-related inheritance as autosomal recessive inheritance has already been accounted for in part 1. This inference is confirmed by evidence showing that the father (I-1) is unaffected and that only the sons exhibit the characteristic in generation II, suggesting that the mother must be the carrier. The individual I-2 is a carrier for this X-linked trait. A typical Xa chromosome is attached to the unaffected father (I-1), so the chance of carrier II-5 is 1/2. Probability of an affected son = 1/2 (probability II-5 is a carrier) x 1/2 (probability II -5 contributes ([tex]X^A[/tex]) x 1/2 (probability of Y from father II-6) = 1/8. An affected daughter's likelihood is 0 because a typical [tex]X^A[/tex] must be contributed by II-6.The inheritance of the dominant trait is demonstrated by Pedigree 3 because affected children still have affected parents (remember that all four diseases are rare). The trait must be autosomal dominant because it is passed down to the son by the affected father. There is a 1/2 risk that the heterozygous mother (II-5) would pass on mutant alleles to a child of either sex for an autosomal dominant feature.Pedigree 4 is an X-linked dominant function characterized by the transmission to all of his daughters from the affected father but none of his son. On the mutant X chromosome, the father (I-1) passes on to all his daughters and none of his sons. As seen by his normal phenotype, II-6 therefore does not bear the mutation. An affected child's likelihood is 0.In the question the pedigree chart was missing ,hence it is given below.
Answer:
Explanation:
recessive will be when most males are affected, dominant will be when the females are mostly affected
which statement describes the role of mitochondrion in providing a body with energy ?
A. it stores glucose status taken from food so that respiration can happen later
B. it combines blood in oxygen so that energy can be released from glucose .
C. it is the site where oxygen combines with small molecules and releases large amounts of energy
D. it is the site where the food is broken down into small molecules in amounts of energy
Answer: C.
Explanation:
Answer:
3. It is the site where oxygen combines with small molecules and releases large amounts of energy.
Explanation:
Mitochondria is a cell organelle
It produces ATP, which is considered as energy currency of cell.
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Segments of DNA transferred from parent to offspring are called
Answer: genes
Explanation: trust
Segments of DNA transferred from parent to offspring are called genes.
The deoxyribonucleic acid (DNA) chain is known as a gene, a structure that is constituted as a functional unit in charge of the transfer of hereditary traits.
Each gene is a molecular unit that encodes a specific functional product, such as a protein.
At the same time, it is responsible for transmitting such information to the offspring of the organism, that is, it is responsible for inheritance.
In other words, the gene, as a unit that preserves genetic data, is responsible for transmitting the inheritance to the descendants.
Therefore, we can conclude that a gene is a short segment of DNA, which is found within the chromosome always located in the same place and is transferred from parent to offspring.
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MATCH each scientist to his contribution to the study of cells.
(WILL MARK BRAINLIEST)
1. Concluded that all plant cells contain a nucleus
2. First to identify and name cells
3. Concluded that all animals are made up of cells
4. Concluded all plants are made up of cells
5. Credited for inventing the first microscope
a. theodore schwann
b. matthias schleiden
c. zaccharias janssen
d. robert brown
e. robert hooke
Answer:
1=a, 2=e, 3=b, 4=d 5=c
Explanation:
I hope this helps.
Answer:
1)robert brown
2)Robert Hooke
3)Theodor Schwann
4)Matthias Schleiden
5. Zacharias Janssen
Explanation:
The emmanation of Cells was known about 3.5 billion years ago. The cell is the basic unit of life, in which all living organisms are made up. Robert Hooke in 1665 discovered what we called cell theory today. Alot of scientist worked to the successful discovery of cell such as matthias schleiden,Theodor Schwann and others.
1. robert brown who is botanist as well as a Scottish. in his experiment on plant cell, that small dense round bdy substance were present in the plant cell which he later called nucleous.
2. First to identify and name cells
In the year 1665, Robert Hooke brought about the discovery of cell, he identified cell. However, he was able to identify cell using a microscope where he sees a dead cell which he called cork.
3. Arround 1830s Theodor Schwann who is a botanist and Matthias Schleiden are carrying experiment on tissues after series of experiment they arrived at unified cell theory. and that new cell came u from existing cell.
Theodor Schwann later concluded that all animals are also made up of cells, and that was arround 1839.
4. In the year 1837, Matthias Schleiden discovered that that old plant's cell Nuclei usually form the new cell. However, with series of experiment,
Matthias Schleiden who is German scientist Concluded all plants are made up of cells In 1838.
5. Zacharias Janssen who hails from Dutch, in 1590, co-invented the first microscope with Hans. They are regarded as a spectacle maker. However, the first spectacle was attributed to Italy in 14th century. Anton van Leeuwenhoek was the man that use the microscope to observe specimen in 1675 with a lens.
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I need help with page 2 in the pages below.!
Answer:
Got you!
Explanation:
which of the following initiates a homeostatic response?
diamonds are very dense material predict what would happen to the light if you projected it from air through a diamond.
Answer:
depending on certain variables... you could create a laser
What happens when volcanoes release greenhouse gases into the atmosphere?
The climate gets warmer.
The climate gets cooler.
Winter becomes longer.
Summer becomes longer.
Answer:
a
Explanation:
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Gases from volcanic eruptions increase global temperature. The correct option is A. When volcanoes release greenhouse gases into the atmosphere the climate gets warmer.
What are the gasses involved in volcanic eruptions?
Many gases dissolved in magma are released during volcanic eruptions.
The most significant ones are water vapor, carbon dioxide, carbon monoxide, oxides of sulfur, hydrogen, nitrogen, fluorine, chlorine, boron, and arsenic.
Many of these gases are closely involved in the greenhouse effect, causing an increase in global temperature.
The emission of gases by volcanic eruptions is a natural process that might increase atmospheric pollution.
The correct option is A. When volcanoes release greenhouse gases into the atmosphere the climate gets warmer.
You can learn more about the volcanic eruptions at
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Answer:
so D is the wire, A is the battery, then B wold be the switch and last C would be the element
Explanation: