Which of the following can challenge the constant state of homeostasis?
O Extreme temperature
O Low blood sugar level
O Elevated blood pH
O All of these
Analyze the graph and complete the statements that
follow.
Average Monthly Rainfall
The greatest amount of rainfall was recorded in the
month of
The least amount of rainfall was recorded in the month
of
40
The relationship between time of year and amount of
rainfall is
30
Rainfall (inches)
W
20
M
10
0
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Month
Answer: 1. may 2. february 3. nonlinear
Explanation:
The greatest amount of rainfall was recorded in the month of M, and the least amount of rainfall was recorded in the month of W, and one can observe that there is a variation in the amount of rainfall throughout the year, with some months having higher rainfall amounts than others.
What is a rainfall?The graph of average monthly rainfall is a common tool used to visually display the variation in precipitation over time. Precipitation, which includes rain, snow, sleet, and hail, is a critical component of the water cycle and plays a significant role in shaping the Earth's environment. Precipitation patterns can vary widely depending on the location and season, with some regions experiencing very dry conditions while others receive abundant rainfall.
Hence, the greatest amount of rainfall was recorded in the month of M, the least amount of rainfall was recorded in the month of W, and one can observe that there is a variation in the amount of rainfall throughout the year.
Learn more about the rainfall here.
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How are interphase and mitosis different from one another?
the interphase is the stage in which the cell duplicates its content. Mitosis is the stage in which the cell divides into two new cells.
What is the interphase?The interphase is the stage before cell division occurs. During the interphase, the cell prepares to divide into two new daughter cells (mitosis).
The interphase is composed of three phases,
The G1 stage ⇒ the cell duplicates in size. The organelles and other cytoplasmatic structures duplicate. The S stage ⇒ occurs the DNI replication process, the synthesis of histones and other associated proteins.The G2 stage ⇒ begins the slow process of DNI condensation. Duplication of centrioles completes. Structures such as spindle fibers are assembled.What is mitosis?Mitosis 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 chromosomes condensation and nuclear membrane breaks.During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.Each chromatid joins with a microtubule of opposites poles.
In Anaphase, chromatid sisters separate. The bonds that were keeping them together break, and each of them migrate to the opposite poles.In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole. Finally, cytokinesis occurs.In conclusion, the interphase is the stage in which the cell duplicates its content. Mitosis is the stage in which the cell divides into two new cells.
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How does the size of a cell's surface area change compared to its volume when the cell grows?
O
A
The surface area remains constant as the volume changes.
B. The surface area increases at the same rate the volume does.
o
The surface area increases faster than the volume does.
O
D
The surface area does not increase as fast as the volume does
Answer:
Option D
Explanation:
Stores material within the cell
Answer:
vacuole
Explanation:
A farmer is harvesting this seasons strawberries to be sold. A farmer noticed his spotted strawberries grow better in all weather types and resist insects on their own. The next season, the farmer decided to get rid of the original strawberries and plans to only plant spotted strawberries. What is a result of this farmer's action?
Answer:
This question is incomplete as some part of the questions are missing and it also lacks options. The complete question is:
A farmer is harvesting this seasons strawberries to be sold. The farmer discovered spotted strawberries which appear to grow well in all weather types and resist insects on their own unlike other varieties of strawberries that require additional pesticides to resist insects.Pesticides are substances used to repel or control forms of animal life considered to be pests.The next season, the farmer decided to get rid of the original strawberries and plans to only plant spotted strawberries. What is a result of this farmer's action?
A. A decrease in strawberry production
B. An increase in the use of pesticides on the farm.
C. A decrease in genetic diversity of the strawberries.
D. An increase in genetic variation of the strawberries
The answer is C
Explanation:
According to this question, a farmer who is preparing to harvest strawberries for sale noticed that spotted varieties of strawberries grew better in adverse conditions, including pest resistance, than every other strawberry variety. He then decided to plant only the spotted strawberries the following season. This means that he got rid of every other varieties.
Based on this, we would realize that that farmer is trying to naturally solve the problem of pest infestation, hence, REDUCING the use of pesticides on the farm.
- Also, spotted strawberry can be produced in mass, which will not affect/reduce the production of strawberries.
- Genetic diversity refers to the total number of different alleles, which is responsible for varying traits, in the genetic makeup of an organism. The farmer's action of planting only one variety of strawberries will DECREASE GENETIC DIVERSITY IN THE STRAWBERRY SPECIES.
Stavanger, Norway has a warmer climate than the rest of Norway . What would cause this?
a.stavanger is the southernmost city .
b. the gulf stream carries warm water to the stavanger area .
c.the artic current carries cold water toward norway
d.there is no sea ice in the region to create the cold , deep ocean currents
Answer:
Stavanger is warmer than the rest of Norway because the Gulf Stream carries warm water to the Stavanger area.
Explanation:
A is not correct because there are cities in Norway that are located further south than Stavanger.
B is correct because the location of Stavanger is right where the Gulf Stream influences the Norwegian coastline the most, bringing in warm water, thus warmer weather conditions as well.
C is not correct because if that was the case Stavanger would have been significantly colder.
D is not correct because the lack of sea ice is due to the Gulf Stream.
2 questions.
An element is described as a shiny black solid with 3 valence electrons and 2 energy levels.
What is the name of the element? Is it a metal, nonmetal, or a metalloid?
Answer:
The correct answer is - Boron, a metalloid.
Explanation:
Boron is a metalloid element that has a crystalline shiny black appearance. It is found in solid-state in nature, It is also a micronutrient for the humans. It is placed in the second period of the periodic table of elements.
The electronic configuration of the boron element is - 1s2, 2s2, 2p1, as it is clear that they have 3 valence electrons in their outer shell, and by electronic configuration, it is clear that they are in 2 energy level (2).
Thus, the correct answer is - Boron, a metalloid.
Cell Structure of the outer container of the cell
Draw circle and label the diagram below using the following words (polymer, monomer)
PLEASE HELP MEEE
Answer:
The diagram given is showing polymer and monomer.
The diagram on the left side of the arrow shows a polymer as it is large and consists of repeating chains of two molecules while the diagram on the right side shows a monomer, which is a single unit of a molecule that combines together to form polymers.
In the given diagram, the polymer, in which its monomer unit bound with water molecules is breaking into monomers.
Hence, the left side diagram shows a polymer, and the right side diagram shows monomer.
In the given picture, polymer is present in the left side while on the right side monomers are present.
Polymer:
These are the macromolecules that are made up of repeated units of monomers.
For Example: Polysaccharides
Polysaccharides are made up of repeated units of sugars such as glucose. They give monomers on hydrolysis.In the given Picture,
A polymer is hydrolyzed to form monomers.
Therefore, In the left side polymer is present while on the right side monomers are present.
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Identify the following carbohydrate:
Question 4 options:
monosaccharide
disaccharide
polysaccharide
Answer:
polysaccharide
Explanation:
it is the structure of raffinose which is a polysaccharide
In the past several years we have seen increased numbers of forest fires occurring in our tropical rainforests. While natural burns are usually beneficial and a typical occurrence in forests, tropical rainforests do not typically undergo this natural process due to the average yearly amount of rainfall. This causes habitat loss and ecosystem disruption for the rainforest.
The increased occurrence of tropical rainforest fires is most likely caused by..
Select one:
Decreased tourism and human visitors to the area.
Increased precipitation rates in the southern hemisphere
Decreased production of oxygen, which helps fuel natural fires.
Increased global temperatures, leading to a 20% reduction in rainfall
Answer:
Increased global temperatures, leading to a 20% reduction in rainfall
Explanation:
According to this question, forest fires are becoming rampant in tropical rainforests. Although this occurrence is natural, tropical rainforests do not typically undergo this natural process due to the average yearly amount of rainfall. This means that the high amount of rainfall in tropical rainforests help prevent or reduce the high cases of forest fire incidence.
However, the recent increased occurrence of tropical rainforest fires is most likely attributed to an INCREASE IN GLOBAL TEMPERATURES, LEADING TO A 20% REDUCTION IN RAINFALL. This is because an increase in the global atmospheric temperature causes the reduction of the amount of rainfall, which naturally helps curb the occurrence of forest fires.
Which of these best explains the difference between eukaryotes and prokaryotes? Choose the correct answer. Eukaryotes have simpler cells and can only be unicellular. Eukaryotes have simpler cells and can be either unicellular or multicellular. Eukaryotes have more complicated cells and can only be multicellular. Eukaryotes have more complex cells and can be either unicellular or multicellular.
Answer:
Eukaryotes have more complicated cells and can only be multicellular
Explanation:
By definition Eukaryotes can only be multicellular; consequently being complex.
A prokaryote is not considered a cell because it has no nucleus.
If a cell has a nucleus it is a Eukaryote if it does not it is a prokaryote
The age of a cell is related to structures called ____.
*Talking about cancer cells*
Will report stupid answers.
Answer:
Telomeres
Explanation:
Telomeres are structures at the ends of chromosomes that protect the DNA. They get shorter as we age. When they become too short, the cell undergoes apoptosis (programmed cell death ) to avoid having cells with DNA that could become damaged.
However, cancer cells can sometimes overcome this, and can avoid telomere shortening, or avoid apoptosis once telomeres have become too short. This allows cancer cells to divide indefiniately.
How are the words system and ecosystem related?
Answer:
Well, almost everything. The term ecosystem was coined in 1935, though ecosystems have been around as long as living things. Eco is a spin-off from the word ecology and describes anything having to do with the environment and our relation to it. ... And system comes from the Greek word systema or "organized body, whole.
Explanation:
Which following is similar between RNA and DNA?
A) type of sugar
B) type of purine base
C) number of strands
D) type of pyrimide base.
Answer:
The correct answer would be A, type of sugar.
Explanation:
I hope this helps you! :)
What are the basic building blocks of DNA and RNA
Answer:
A nucleotide is the basic building block of nucleic acids.
Explanation:
RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
Hope this helps even though it was yesterday :)
You can follow the flow of energy in an ecosystem by following its food or .
In your own words: What is the study of ecology?
Answer:
Ecology is the study of organisms and how they interact with the environment around them. ... Changes in ecosystems can result from many different factors including diseases among the organisms living in the area, increases in temperature, and increased human activities.
Explanation:
PLEASE ANSWER!!!!! For each sentence below, select the name of the specialize cells being described.
neurons are specialized cells that generate and conduct electrical impulses throughout the body.
Answer:
1. Neurons
2. White blood cells
3. Epithelial cells
4. Red blood cells
5. Muscle cells
Explanation:
A lab group in biology class wanted to model cell transport using wedges of tubers, an underground stem. The students massed the tuber slices, placed them into various sucrose solutions, and then let them soak overnight. The masses of the tuber slices were taken the next day. The data is shown here. What statement is best supported by the data from this experiment?
Answer:
Answer on usatestprep is D
Explanation:
Which RNA base bonds with guanine?
Answer:
Cytosine
Explanation:
DNA:
Adenine - Thymine
Cytosine - Guanine
RNA:
Adenine - Uracil
Cytosine - Guanine
What is the difference between control group and controlled variables of an experiment
Describe the purpose of the Nucleus in a cell / discuss the DNA structure inside of the nucleus and what is the job of DNA and how it ties
into genetics? Be as detailed as you can
what animal filled the role of top predator in yellowstone before wolves were reintroduced?
Answer:
Explanation:
El Parque Nacional de Yellowstone (Estados Unidos), considerado el parque nacional más antiguo del mundo, fue creado en 1872 durante la presidencia de Ulysses S. Grant. En sus inicios, la fauna del parque no recibió la misma protección que hoy en día: los lobos y los pumas fueron eliminados deliberadamente en 1926 y, al cabo de unos años, la población de ciervos aumentó tanto que los administradores del parque reconocieron que los herbívoros estaban alterando la vegetación, por lo que se realizaron matanzas selectivas para controlar la población de dichos animales. Las matanzas selectivas terminaron a finales de los años 60 y la población de ciervos volvió a aumentar, por lo que finalmente se optó por reintroducir el lobo: 14 lobos de la provincia de Alberta (Canadá) fueron liberados en 1995 y otros 17 lobos canadienses en 1996. "La reintroducción del lobo (Canis lupus) en el Parque Nacional de Yellowstone es el experimento ecológico más celebrado de la historia", así comienza un estudio publicado en Journal of Mammalogy por Mark Boyce, de la Universidad de Alberta.
HURREEEEYYYYY PLEASSEEEEEE!!!
Which of the following is true in an isotonic solution?
A.) Water is moving only into the cell
B.) Water is moving only out of the cell
C.) Water is not moving
D.) Water is moving both in and out of the cell
Which of these processes does not require the cell to use energy?
A. Cell division
B. Protein synthesis
C. DNA replication
D. Diffusion across a membrane
Answer: Diffusion across a membrane!
Explanation:
Water can easily go through the semi-permeable membrane by osmosis!
Shelly wants to know if the temperature of a tennis ball affects the height it will bounce. What is the independent variable?
A. The tennis court
B. The temperature of the tennis ball
C. How high it bounces
D. The brand of a tennis ball
Whích phase of meiosis includes homologous
chromosomes pairing up and forming tetrads?
Answer:
Prophase I of meiosis
Explanation:
A tetrad is the group of two homologous chromosomes that have each already replicated into a pair of sister chromatids, forming a foursome. This replication happens during interphase.
During prophase I of meiosis, homologous chromosomes pair up and form tetrads. This is prior to crossing over, which is the exchange of genetic material that happens between homologous chromosomes prior to the formation of gametes.
List the three types of fibers possible in connective tissue and a brief description of each
Answer:
Look below
Explanation:
collagen fibers, elastic fibers, and reticular fibers.
Collagen fibers-Collagen fiber is made from fibrous protein subunits linked together to form a long and straight fiber
Elastic fibers-a yellowish fiber composed chiefly of elastin and occurring in networks or sheets which give elasticity to tissues in the body.
Reticular fibers-Reticular fibers, reticular fibres or reticulin is a type of fiber in connective tissue composed of type III collagen secreted by reticular cells.
Answer:
Single-mode cables include one glass strand (the core), surrounded by three layers of other material (the cladding, the buffer, and the jacket). They are relatively more expensive than other cables. Single-mode cables can transmit data at fast speeds over long distances (up to 62 miles) and offer higher bandwidths.
Multi-mode cables have more than one strand and transmit light along many paths. They support very fast speeds of between 10 Mbps to 10 Gbps over short distances (2,000 and 1,000 feet, respectively). Although these cables can transmit data over short distances, they will distort data over long distances.
Plastic optical fiber cables consist of plastic fibers instead of glass fibers. They are cheaper than glass optical fiber cables. They are similar to multi-mode cables; however, they are only reliable over short distances.
Explanation:
