Answer: number 2
Explanation:
The one that correctly describes one result of this heating pattern is Atmospheric and oceanic currents distribute heat from the tropics to the poles. The correct option is 2.
What is the atmosphere?The atmosphere is the outer covering of the earth. It is a layer of gases around the earth. There are different types of atmosphere. They contain different types of temperature, pressure, and gases.
The equator of the earth is at the center of the earth. They have normal temperatures there. At the poles, there is low temperature because sunlight is less there. But with the changing climate of the earth, the warming is increasing and the sun.
Thus, the correct option is 2. Atmospheric and oceanic currents distribute heat from the tropics to the poles.
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A horticulturist (plant scientist) complains to the city that a nearby residence is ruining his flowers because of the detergent being used to wash their cars. The soap runs into a stream that goes near his flower beds. As an inquiring scientist, you want to find out whether soap can affect flower growth. You will need to set up your experiment (using the animation below) and publish your findings (see questions below). Write your hypothesis (should be in a complete sentence and describe what exactly is being tested)
Answer:
IF flowers are exposed to detergent, THEN the flowers will grow poorly
Explanation:
Hypothesis of an experiment gives a testable explanation to a problem. It is a predictive statement that explains the possible solution to a given problem, but subject to testing via experimentation. Hypothesis usually goes in an IF (cause), THEN (effect) format. That is, it shows how an independent variable will affect the deoendent variable.
In this experiment involving the effect of soap on flower growth, a possible hypothesis will be that: IF flowers are exposed to the detergent, THEN the flowers will grow poorly. This hypothesis, which is subject to testing by conducting an experiment, gives a possible solution to the problem of how detergent is affecting plant growth.
A population of salamanders lives near a stream. A severe drought dries up the flow of the stream. What is this effect on the salamander population called? Group of answer choices: emigration limiting factor immigration biotic factor
Answer:
limiting factor
Explanation:
In an ecosystem, certain factors hinder the growth or abundance of the population of organisms. These factors are called LIMITING FACTORS. Limiting factors, which can be biotic, food, drought, predation, disease etc, are factors that inhibits a population of organism from becoming enlarged. There are two types of limiting factors viz: density dependent (depends on size) and density independent (not dependent on size).
This is the case of a drought that dries up the stream that inhabits a population of salamanders. The drought causes the unavailability of water, which will ultimately have an effect on the growth of the salamander population. Hence, the DROUGHT is considered a LIMITING FACTOR.
What does the presence of these coral fossils suggest about the location of North America 370 million years ago?
Answer:
These fossils indicate that North America must have had a much warmer (i.e a tropical environment 370 million years ago)
Explanation:
Corals are marine animals whose skeletons are easily fossilized and thus have an extensive fossil record. There are many fossils of extinct corals in North America. For example, Lophophyllum is a North American extinct genus of corals dated at 320 million to 290 million years ago (i.e., from the Late Carboniferous period). In general, corals live in warm seawater, and thereby their fossil records can be used as indicators of environmental conditions.
What is the primary function of the phospholipid in the cell membrane
Answer:
The primary function of the plasma membrane is to protect the cell from its surroundings
someone please help me with this :,,,,,,,,,,,)
Answer:
1. 1.26823082 mL
2. 0.5 g/mL
Explanation:
The density formula is:[tex]d=\frac{m}{v}[/tex]
1.
Rearrange the density formula for v,
[tex]d=\frac{m}{v}[/tex]
[tex]d*v=\frac{m}{v}*v[/tex] Multiply both sides by v.
[tex]d*v=m[/tex]
[tex]\frac{d*v}{d} =\frac{m}{d}[/tex] Divide both sides by d.
[tex]v=\frac{m}{d}[/tex]
Volume is found by dividing mass by density. The mass is 20 grams and the density is 15.77 grams per milliliter.
[tex]m= 20 \ g\\d= 15.77 \ g/mL[/tex]
Substitute the values into the formula.
[tex]v=\frac{20 \ g} {15.77 \ g/mL}[/tex]
Divide. Note the grams, g, will cancel.
[tex]v= 1.26823082 \ mL[/tex]
2.
Use the density formula.
[tex]d=\frac{m}{v}[/tex]
Density is found by dividing mass by volume. The mass is 10 grams and the volume is 20 milliliters.
[tex]m= 10 \ g\\v= 20 \ mL[/tex]
Substitute the values into the formula.
[tex]d=\frac{10 \ g}{ 20 \ mL}[/tex]
Divide.
[tex]d= \frac{1}{2} \ g/mL[/tex]
[tex]d= 0.5 \ g/mL[/tex]
Notice that the by-products of one process are used as the reactants for the other process. This is referred to as the ____________ of molecules.
Answer:
cycling of molecules
Explanation:
In a cell, the flux of energy is associated to the cycling of molecules among subcellular compartments. In coupled reactions, the cycling of molecules between mitochondria and chloroplasts is required to produce the flow of energy and to sustain the life of the Earth. Chloroplasts produce chemical energy by using solar energy to convert water and carbon dioxide (CO2) into oxygen (O2) and high energy carbohydrates (i.e., sugars and starches). Subsequently, in the mitochondria, the process of cellular respiration enables to convert the carbohydrates into high energy molecules (ATP), releasing water and CO2.
A blow to the head may cause diabetes insipidus by ______. A blow to the head may cause diabetes insipidus by ______. triggering the hypersecretion of hypothalamic-inhibiting hormones triggering the hyposecretion of hypothalamic-inhibiting hormones interfering with the normal transmission of nerve impulses to the posterior pituitary interfering with the normal transmission of nerve impulses from the posterior pituitary
Answer: interfering with the normal transmission of nerve impulses to the posterior pituitary
Explanation: A blow to the head may cause diabetes insipidus by interfering with the normal transmission of nerve impulses to the posterior pituitary. Interfering with the normal transmission of ADH (antidiuretic hormone) to the posterior pituitary is done via the axons of the hypothalamic neurons. The disease is a rare one, characterized by the excretion of large amounts of severely diluted urine which cannot be reduced when fluid intake is reduced. It is generally related to a tumor or an insult to the pituitary gland, where the hormonal signals it gives to the kidneys break down, and the kidneys do not conserve water, but express the water as urine.
Which of the following are independent
variables?
A scientists measure how tall a plant grows
after feeding it fertilizer
The amount of dog food given to puppies is
decreased by a vet to see if they will lose
weight.
A scientist changes the amount of sunlight a
plant receives in an experiment to see how
they grow in different levels of light
The vet measures the weight of the puppies
after one week.
The amount of dog food given to puppies is decreased by a vet to see if they will lose weight and A scientist changes the amount of sunlight a plant receives in an experiment to see how they grow in different levels of light are independent variables.
Thus option B and C are correct.
What are the types of variable ?
In an experiment, the most important parameter is variable which can change such as amount of light, temperature, humidity etc.
Two major types of variables, independent variable which changes either on its own, or we purposely change it.
Change in Amount of light, environmental temperature, and humidity show effect on plant growth.
Dependent variable is depend on other variable such as independent variable.
Third one is controlled variable which must be taken as a parameter in an experiment in order to avoid the bias of the result.
Thus option B and C are correct.
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What are the three types of symbiotic relationships? with definitions please
Answer:
The three types of symbiotic relationships are mutualism, parasitism, and commensalism. In mutualism, both organisms gain something, in parasitism, one organism gains and the other loses, and in commensalism, one gains and the other doesn't gain or lose
Answer:
living in close association.
Explanation:
The phase sequential mask is certified for use up to_____feet.
Answer:
The correct answer is "40,000".
Explanation:
According to the Federal Aviation Administration, the phase sequential mask is certified for use up to 40,000 feet, because above this level the pressure will not allow the lungs to take enough oxygen. A specialized system such as pressure demand is necessary in order to fly to higher altitudes. These systems provide oxygen under positive pressure conditions.
Which of the following is a scientific statement which one is not scientific statement some plants eat meat
Answer:
Explanation:
Carnivorous plants are plants that derive some or most of their nutrients (but not energy, which they derive from photosynthesis) from trapping and consuming animals or protozoans, typically insects and other arthropods. Carnivorous plants have adapted to grow in places where the soil is thin or poor in nutrients, especially nitrogen, such as acidic bogs. Charles Darwin wrote Insectivorous Plants, the first well-known treatise on carnivorous plants, in 1875. Carnivorous plants can be found on all continents except Antarctica, as well as many Pacific islands.
Scientific models can never be changed.
Please select the best answer from the choices provided
OT
F
Answer:F
Explanation:I got it right
How are tigers and goldfish share the same phylum?
Answer:
See the answer below
Explanation:
Tigers and goldsih share the same phyllum because they both posses the basic characteristics of animals in the phyllum chordata. These characteristics include;
Possession of notochord. The notochord is a rod-like structure that serves supportive functions and develops into the vertebral column in some group of chaordates.Posession of post-anail tails which is an extension of the posterior end of the of the body.Possession of dorsal, hollow nerve chord which eventually forms the brain and the central nervous system.Possession of pharyngeal gill-slits, an opening that develops into gill arches in golfishes and jaws in tigers.How are muscle cells and bone cells similar? Answer Quickly
Answer:poop
Explanation:
no figure it out yourself
Not one of the ways that bacteria have adapted to become resistant to antimicrobial agents.
Answer:
Explanation:
An antimicrobial agent is a natural or synthetic chemical that kills or inhibits the growth of microorganisms. Bacteria have a mechanism of transferring genomic material called horizontal gene transfer, the movement of genes between cells that are not direct descendants of one another. Horizontal gene transfer allows cells to quickly acquire new characteristics and drives metabolic diversity. One of the characteristics usually acquired is the resistance to antibiotics.
Three mechanisms of genetic exchange are known in prokaryotes:
(1) transformation, in which free DNA released from one cell is taken up by another; (2) transduction, in which DNA transfer is mediated by a virus; and (3) conjugation, in which DNA transfer requires cell-to-cell contact and a conjugative plasmid in the donor cell.
Examples of genes transferred by transducing bacteriophages include multiple antibiotic resistance genes among strains of Salmonella enterica serovar Typhimurium, Shiga-like toxin genes in Escherichia coli, virulence factors in Vibrio cholerae, and genes encoding photosynthetic proteins in cyanobacteria.
Conjugative plasmids use a mechanism to transfer copies of themselves and the genes they encode, such as those for antibiotic resistance, to new host cells.
Which of the following E. coli proteins is responsible for advancement of the mRNA during translation?A. EF-G
B. IF2
C. IF1
D. EF-Tu
E. None of these.
Answer:
The correct answer is option A. "EF-G"
Explanation:
As its name implies, the elongation factor (EF-G) of E. coli is one vital protein that participates during the elongation phase of translocation. EF-G catalyzes the GTP-dependent ribosomal translocation step, which allows the ribosome to change from its pre-translocational to the post-translocational state, moving the process from the P to the E site of the ribosome.
What are the functions of mitotic cell division?
Answer:
The main functions of mitosis are growth and repair. Some cells once fully formed do not undergo cell division, such as nerve cells and muscle cells. Since you can never re-grow or repair these types of cells once they are mature, you must take care of the ones you have.
Explanation:
Mitotic cell division is a process of mitoses where a parent cell divides to create two identical daughter cells.
There are five phases of mitoses which include:
prophaseprometaphasemetaphaseanaphasetelophaseThe functions of mitotic cell division include:
They are used for the development of cellsThey are used for cell replacementThey are used for asexual reproduction.They are used for cell repairRead more here:
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Which is a component of cell theory? Cells come from bacteria. Cells come from cells. Cells come from nonliving matter. Cells come from non-cells.
Answer:
B
Explanation:
Cells come from cells is correct component of cell theory.
What is Cell theory?Theodor Schwann put forth the classical cell theory in 1839. This theory consists of three components.
All organisms are composed of cells, according to the first section. The basic building blocks of life are cells, according to the second section. The conclusions reached by Schwann and Matthias Schleiden in 1838 as a result of contrasting their observations of plant and animal cells served as the foundation for these sections.
Rudolf Virchow described the third element, which claims that cells originate from preexisting cells that have multiplied, in 1858 when he said omnis cellula e cellula (all cells come from cells).
Therefore, Cells come from cells is correct component of cell theory.
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The monomer of DNA is nucleotides. Which type of macromolecule is DNA
Answer: Nucleic Acid
Explanation:
Made out of nucleotides
What determines the function of a protein domain? Be as specific as you can.
Answer:
Domains are distinct functional and structural units in a protein. Usually they are responsible for a particular function or interaction, contributing to the overall role of a protein. Domains may exist in a variety of biological contexts where similar domains can be found in proteins with different functions.
Which substance is produced as a by-product of both glycolysis and aerobic respiration?
Answer:
Carbon dioxide and water I believe
Explanation:
Why do increased temperatures decrease photosystem II activity?
Answer: Options are not given, here are the options.
a.Thylakoid membranes become more permeable to ions
b.The chlorophyll breaks down
c.The peripheral proteins lose their ability to bind to the transmembrane proteins
d.Water cannot bind to PSII to form oxygen
The correct option is C.
The peripheral proteins lose their ability to bind to the transmembrane proteins.
Explanation:
In photosystem 11, it is the center where light is converted to moving electrons. When the chlorophyll molecule absorb light, the electrons gain energy.
Increase temperature affects the activity of photosystem 11 because the peripheral protein lose their ability to bind to the transmembrane protein which is as a result of high temperature affecting the surface of ionic interactions which is for binding to transmembrane protein.
In an experiment, the thing you compare your experimental results to is called the
the thing you compare your experimental results to is called the control group.
What do you mean by control group?Control group is the standard to which comparisons are made in an experiment. Many experiments are designed to include a control group and one or more experimental groups.
Moreover, some experiments use multiple control groups to gather more information and improve the accuracy of results. For example, many medical studies include positive, negative and placebo.
The control group and experimental group are compared against each other in an experiment. The only difference between the two groups is that the independent variable is changed in the experimental group.
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do you think the coyotes’ hábitat is in a state of homeostasis or not?
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! I'M REALLY BEHIND ON MY ASSIGNMENTS, AND NEED THE CORRECT ANSWER.
Answer:
The first two is classified as fracture and the last one as cleavage
Select the correct answer.
Which act or regulations protect the AFN industry from food emergencies?
OA
Federal Insecticide, Fungicide, and Rodenticide Act
Homeland Security Presidential Directives
OB
OC Comprehensive Environmental Response Directives
Perishable Agricultural Commodities Act
Reset
Next
Answer:
Homeland Security Presidential Directives help in food emergencies
Explanation:
The monomers that are joined by glycosidic linkages to form biological polymers are
Answer:
They form carbohydrates. The monomers are called monosaccharides.
Explanation:
Answer: Monosaccharides
Molecule that contains the information for the growth and functioning of the cell
Answer:
Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature. These cells cooperate with other specialized cells and become the building blocks of large multicellular organisms, such as humans and other animals. Although cells are much larger than atoms, they are still very small. The smallest known cells are a group of tiny bacteria called mycoplasmas; some of these single-celled organisms are spheres as small as 0.2 μm in diameter (1μm = about 0.000039 inch), with a total mass of 10−14 gram—equal to that of 8,000,000,000 hydrogen atoms. Cells of humans typically have a mass 400,000 times larger than the mass of a single mycoplasma bacterium, but even human cells are only about 20 μm across. It would require a sheet of about 10,000 human cells to cover the head of a pin, and each human organism is composed of more than 30,000,000,000,000 cells.
Answer: DNA, ribosome, cell membrane.
( DNA ) is the molecule that contains the information for the growth and functioning of the cell.
A ( ribosome ) is an organelle that creates specific molecules.
The ( cell membrane )is a layer that surrounds cells, separating their interior from the exterior environment.
Explanation: 1st,2nd,and 3rd Answer.
S2-, sulfur ion Protons: ____ Electrons: ____
Answer:
The protons and electrons in each element are equal. The sulfur has 16 electrons and 16 protons. But the ionic atom’s electron quantity changes depending on how many it has gained. 'S2-' has gained 2 electrons, which means it has now 18 electrons and 16 protons.
Which of the following correctly describes the image below?
Protein Molocule
RNA Molocule
Amino Acid
Carboxylic Acid