Paramecia are capable of seemingly complex behaviors due to presence of an external oral groove which is lined with cilia and it's connect to mouth pore and gullet and also presence of food vacuole for digestion.
What is paramecium?Paramecium is a single celled eukaryotic, organism that have cilia for movements and it is the representative of the ciliate group. Paramecia are found in freshwater, brackish, and marine environments and also very many in stagnant basins.
Therefore, Paramecia are capable of seemingly complex behaviors due to presence of an external oral groove which is lined with cilia and it's connect to mouth pore and gullet and also presence of food vacuole for digestion.
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1) What types of specialized cells (cells with a specific purpose such as
cardiac or nerve cells) do you think the daphnia have? What are their
functions? List at least 2 types of cells and their function.
on systems (s
Answer:
alle and the daphina cell
describe what a growth factor is and how it influences the cell cycle
Answer: A growth factors are a broad group of proteins that stimulate cell division. They bind to receptors that activate specific genes to trigger cell growth. … These two factors help a cell advance to different stages of the cell cycle when cells bind to each other.
Part A
You will be sketching a model building made of toothpicks and marshmallows. The building must be at
least two floors (stories) high. It should be able to stand on its own and withstand shaking without
toppling over. In this approach, what problem are you trying to solve? What are some of the fixed, chosen,
and adjustable design features?
The problem that is being solved by this approach is the Structural Integrity Problem. The definition for this is given below.
What is a structural integrity problem?Structural Integrity is the ability of a structure to carry the load intended for it without crumbling, fracturing, deforming, or experiencing fatigue.
What are some of the fixed, chosen, and adjustable design features?For any structure, the fixed feature is the foundation, the chosen and adjustable design features are any other structures that are above the ground or above the foundation.
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The ability of a structure to withstand the load intended for it without crumbling, fracturing, deforming, or experiencing stress is referred to as structural integrity. The foundation is the fixed characteristic of any construction, and the chosen and adjustable design features are any other structures above the earth or above the foundation.
In order to replicate behavior, one must retain it in memory. please select the best answer from the choices provided t f
It is a true statement that; "in order to replicate behavior, one must retain it in memory."
What is long term memory?Memory can be categorized into two clases;
Long term memoryShort term memoryThe long term memory is used to store information for future reference after being properly encoded. Hence, it is a true statement that; "in order to replicate behavior, one must retain it in memory."
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Answer:
true
Explanation:
Eye color, hair color, and skin color are polygenic traits. Polygenic traits result from.
Answer:
A polygenic trait is one whose phenotype is influenced by more than one gene. They are due to to the actions of more than one gene and often, their interaction with the environment. Hope this helped! <3
What types of cells are most involved in the cell-mediated response?.
Explanation:
Cell-mediated immunity is primarily driven by mature T cells, macrophages, and the release of cytokines in response to an antigen. T cells involved in cell-mediated immunity rely on antigen-presenting cells that contain membrane-bound MHC class I proteins in order to recognize intracellular target antigens.
The transfer of genes between two species that does not involve inheritance is known as.
Answer:
Horizontal gene transfer
Explanation:
is the movement of genetic information between organisms, a process that includes the spread of antibiotic resistance genes among bacteria fueling pathogen evolution
What is the basic idea of evolution?
a. Changes only occur between female in a species
b. Change over time
c. Changes only occur between male in a species
d. Nothing changes
e. Rapid Change
Answer:
B is the correct answer.
What is the light and porous material at the center of bone.
Answer:
Spongy or cancellous tissue – the porous, honeycombed material found inside most bones, which allows the bone to be strong yet lightweight.
There are 2,000 mice living in a field. If 1,000 mice are born each month and 200 mice die each month, what is the per capita growth rate (rmax) of mice over a month?
round to the nearest tenth
For 2,000 mice living in a field, the per capita growth rate is mathematically given as
NT=0.4
What is the per capita growth rate (rmax) of mice over a month?Generally, the birth and death rate is mathematically given as
BT=1000/2000
BT=0.5
Where
DT=200/2000
DT=0.1
In conclusion, per capita growth rate
NT=0.5-0.1
NT=0.4
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What do the arrows in food chains and webs represent?
A. the flow of energy between organisms in an ecosystem
B. the migration of animals in an ecosystem
C. the top predator in an ecosystem
D. the heterotrophs in an ecosystem
Answer:
A.the flow of energy between organisms in an ecosystem
Help the question is in the green box!
Answer:
Negatively correlated. As we can see, the relationship between the two species are based off one another. When one species population increase, the other decreases and vice versa.
Explanation:
Explain why and how the layers have changed from one cliff face to the next
Layers have shifted from one cliff to the next because all cliffs are formed, in one way or another, by the movement of tectonic plates.
What is a cliff?An escarpment, in geomorphology, is a landform that is a transition area between different physiogeographic provinces that involves an acute elevation (greater than 49º), characterized by the formation of a cliff or a steep slope. The term comes from the Italian scarpa.
Whit this information, we can conclude that layers have shifted from one cliff to the next because all cliffs are formed, in one way or another, by the movement of tectonic plates.
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Learning Task 3
Compare and contrast mitosis and meiosis by filling up the table below. Answer this on a separate sheet of COMPARISON MITOSIS MEIOSIS Purpose Number of parent cells Number of divisions Number of cells produced Chromosome sets (=n) Type of cells that undergo cell division
The purpose of both mitosis and meiosis is to increase the number or population of cells in the body.
Compare mitosis and meiosis type of cell divisionMitosis produces two diploid (2n) cells that are identical to the original parent cell whereas meiosis produces four haploid (n) cells that are different from the original parent cell.
Mitosis occurs in somatic cells whereas meiosis occurs in reproductive cells.
So we can conclude that the purpose of both mitosis and meiosis is to increase the number or population of cells in the body.
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Older adults may fail to consume adequate water leading to dehydration. The possible reasons for this include
how does wrapping bananas in newspaper encourages faster ripening
Explanation:
This is most likely because the banana is in a warmer area! I dont know much about biology so hope this helps!
If an organism's DNA contains 33% adenine nucleotides and 17% guanine nucleotides, what percentage of its DNA is composed of cytosine nucleotides
A DNA with 33% adenine and 17% guanine nucleotides respectively will contain 17% cytosine.
Purine to Pyrimidine ratio in DNAAccording to Chargaff's rule, the ratio of purine to pyrimidine bases in DNA is constant.
Since adenine always pairs with thymine and guanine always pairs with cytosine, adenine to thymine and guanine to cytosine ratios would be constant as well.
Thus, if a DNA contains 17% guanine, it will also contain 17% cytosine.
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when temperatures are sufficiently low.
cess, but the process only occurs in darkness or
pr
13. The sugars produced by photosynthesis can be used to synthesize amino acids,
which are compounds that contain nitrogen. Which step is necessary for amino acid
synthesis to occur?
AA nuclear reaction must occur to change carbon nuclei into nitrogen nuclei,
because sugars do not contain nitrogen.
B Hydrogen atoms must be added to the sugars to provide the energy needed
for amino acid synthesis.
Carbon atoms must be added to the sugars to provide the energy needed for
amino acid synthesis.
Carbon compounds must be combined with the sugars, because sugars
contain only one carbon atom per molecule.
E
Nitrogen compounds must be combined with the sugars, because sugars
not contain nitrogen.
Answer:
Hydrogen atoms must be added to the sugars to provide the energy needed
for amino acid synthesis.
Carbon atoms must be added to the sugars to provide the energy needed for
amino acid synthesis.
or
Nitrogen compounds must be combined with the sugars, because sugars
not contain nitrogen.
People who are under the influence of drugs are at greater risk of injury than those who are not under the influence of drugs.
A. True
B. False
Answer:
It is true.
Explanation:
People who are under the influence of drugs have a worse perception of their surroundings, therefore making it much easier to walk into some object and get injured.
How have scientific advancements led to an increase in food safety? a. improved preservation techniques b. improved monitoring techniques c. improved processing techniques d. all of the above
Scientific advancements led to an increase in food safety through improved preservation techniques, improved monitoring techniques, and improved processing techniques.
What are the scientific advancements in the food industry?There are many scientific advancements made that help in the food industry.
Genetically modified meat and plants are there.
Food preservers, food additives, etc increase the food life.
Thus, the correct option is d. all of the above
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Answer:
yoooo its d
Explanation:
The____concentrates bile produced by the____and stores this concentrate until it is needed for digestion.
Answer:
The_GALLBLADDER_concentrates bile produced by the_LIVER_and stores this concentrate until it is needed for digestion.
What is a mass extinction?
A. the death of one member of a species
B. the death of every member of a species
C. the death of select members of a species
D. the death of all members of many different
species
Answer:
D. the death of all members of many different species :)
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James and Captain Keller discuss the Civil War Battle of Vicksburg, in which the Union General Grant and his army attacked Vicksburg for more than forty days and finally won. Vicksburg is considered a turning point in the war. What can you infer about the historical setting, based on their conversation? What opinions and political beliefs do they express?
The historical scenario is from the moment when the south began to categorically lose the war, opinions express political convictions separatist forces.
Civil War Battle of Vicksburg
The Siege of Vicksburg (May 18 – July 4, 1863) was a major battle fought in the context of the Vicksburg Campaign during the United States Civil War.
In a series of maneuvers, Ulysses S. Grant, Major General of the Union, who commanded the Army of Tennessee, crossed the Mississippi River and forced the retreat of the Confederate army, led by Lieutenant General John C. Pemberton, who had mounted a position defense in the city of Vicksburg, Mississippi.
With this information, we can conclude that the historical scenario is from the moment when the south began to categorically lose the war, opinions express political convictions separatist forces.
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Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
The
radiant
energy of the Sun is converted into
mechanical
energy by the plants
Answer:
light energy from the sun is converted to chemical energy which is stored in plants
Explanation:
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
What is the molecular tool that can cut dna at specific recognition sequences so a gene of interest can be inserted into a plasmid?.
The molecular tool that can cut DNA at specific recognition sequences so a gene of interest can be inserted into a plasmid is the Restriction Endonucleases.
What is the molecular tool that can cut DNA at specific recognition sequences so a gene of interest can be inserted into a plasmid?Generally, Restriction Endonucleases are simply defined as enzymes that break the DNA next to a certain DNA sequence known as a restriction site.
In conclusion, the molecular tool that can cut DNA at specific recognition sequences is the Restriction Endonucleases.
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Here is a picture of a creek in a forest. Which part of this environment would
a biologist be most likely to study?
A. Rocks found in the forest
B. The source of the creek running through the forest
C. Living organisms in the forest
D. The pH of the water running through the forest
If the father is SS and then mother is Ss the childs genotypes are SS or Ss. Which is the right one? There can only be one and I kinda need this before 8:30 on April 28th 2022 because thats when I finish my test
The allelic make up of an individual is referred to as its:.
Answer:
The allelic make up of an individual is referred to as its: genotype.
Explanation:
Long-term survival of any species is possible only if the organisms -
A migrate during cold seasons
B hide from predators
C locate a constant food source
D reproduce successfully
Answer:
D
Explanation:
In order for a species to live on, they must reproduce successfully to have continuing generations. A is not right because not all animals migrate. B is correct, but that does not apply to the long-term. C is also important but it is not correct because it also does not apply to the long term. This makes the answer D.
Answer:
the answer is a
Explanation
If Mars was built larger, how would that affect the distance limit ?
Answer:
The effect of a mass of gravity, adds an additional term of decay to this.
But one of the models i am playing around with red shift, is that part of the red shift is due to the photons dragging on space, and this causes the photons to loose energy, and move in the red direction. This in turn eliminates the need for a geometric expansion of space, which i am having an awful time getting right.
If photons drag on space, it means there is some kind of proper motion, which we see in the relation of blue-shift v red-shift. Dopler effect is relative to the ether, and the idea that energy changes in frame reference gives some sort of geometric issue.