Two photographers take time-lapse photos of the night sky. One of them is at the equator. The other is at the south pole. Which photo will show stars that never rise or set? Explain
Answers
Answer: South pole.
Explanation:
The equator is filled with non-circumpolar stars which means the stars sets in the sky. The north and south pole is full of circumpolar stars which means they never set.
If two photographers take time-lapse photos of the night sky with one being at the equator and the other at the south pole, the photo by the photographer at the south pole will show stars that never rise or set.
The stars that never rise or set is known as the circumpolar stars and are usually found close to either of the earth's poles - north or south pole.
This means that the photographer at the equator which is an equidistance from the two poles will not be able to capture the circumpolar stars.
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Related Questions
what are the symptoms of bronchitis
Answers
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See below
▹ Step-by-Step Explanation
Symptoms of bronchitis are a cough, shortness of breath, chills, mucus, tiredness, etc. (These are the main ones)
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PLEASE HELP ME OUT I NEED HELP
Answers
Answer:
2-1 switched
Explanation:
Diffusion ____ the cell.
A. eradicates
B. hinders
C. benefits
Answers
Answer:
i think hinders?
Explanation:
Based on the data that you collected from the virtual lab, which primate had the largest skull or supraorbital height (SHI)?
Homosapiens (Modern human)
Pantroglodytes (Modern Chimpanzee)
Australopithecus apheresis (Extinct hominid)
Homoerectus (Extinct hominid)
Answers
When comparing the four groups, the primate that had the largest skull or supraorbital height (SHI) was the H0m0sapiens (Modern human).
How did the skull evolve?
Through the last three million years, from Australopithecus to H0m0 sapiens, the skull has suffered many modifications related to shape and size.
The cranial capacity increased to fit the brain size and protect it. The face got flattered as well as the chin, and teeth got smaller in size.
The increase in brain size might explain the higher capacity to learn and think.
What do skull size and supraorbital height indicate?
The size of the skull and the supraorbital height are indicators of brain size and hence, evolution.
Because the cranial cavity houses the brain, a larger skull reflects a bigger brain.
Pan troglodytes and Australopithecus have the smallest cranial sizes, expressed by a shorter skull and supraorbital height.
These measures suggest that their brain is not as developed as other groups.
H0m0erectus and H0m0sapiens showed the largest skulls and supraorbital height, reflecting their more developed brains.
H0m0sapiens is the group with the largest skull or supraorbital height. It is the most evolved group.
The primate that had the largest skull or supraorbital height (SHI) was the H0m0sapiens (Modern human).
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Answer:
The primate that had the largest skull or supraorbital height (SHI) was the H0m0sapiens (Modern human).
What are the factors that speed up the dilation of the cervix? Select all that apply.
a. Strong uterine contractions
b. Scarring of the cervix
c. Pressure by amniotic fluid
d. Prior infection of the cervix
e. Force by fetal presenting part
Answers
The factors that speed up the dilation of the cervix include A.strong uterine contractions, C. pressure by amniotic fluid, and E. force by fetal presenting part.
Strong uterine contractions help push the baby's head against the cervix, causing it to dilate. The pressure by amniotic fluid also plays a role in cervical dilation as it helps the cervix to soften and thin out. Finally, the force by fetal presenting part can speed up dilation by putting pressure on the cervix and causing it to open. On the other hand, scarring of the cervix and prior infection of the cervix can slow down or even prevent cervical dilation.
Scar tissue can make it difficult for the cervix to stretch, while an infection can cause inflammation and swelling, which can impede cervical dilation. In conclusion, factors such as A. strong uterine contractions, C. pressure by amniotic fluid, and D. force by fetal presenting part are all important factors that can speed up the dilation of the cervix during labor and delivery.
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If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is the ________.
Answers
Bacteria are one-celled microorganisms that can be found almost everywhere on the planet, including water, soil, and even inside the human body. Bacteria living in salty seawater would be displaced to freshwater in a case where a source of freshwater is connected to the sea.
This migration might pose a problem to the bacteria since the water compositions are different and the bacteria has to adapt to the new environment.The cell structure that would prevent the cells from rupturing is the cell wall. The cell wall is a rigid outer layer that protects and provides shape to the cell.
It is made up of peptidoglycan, which is unique to bacteria, and protects the cell from osmotic pressure changes by preventing the cell from rupturing due to the influx of water. As the bacteria move from seawater to freshwater, the concentration of salt decreases, resulting in the movement of water molecules from an area of low concentration to an area of high concentration (osmosis).
Bacteria living in freshwater have a higher concentration of solutes than the surrounding water, which means water molecules tend to move into the bacterial cell. If the bacterial cell wall is weak or absent, this may lead to an increase in osmotic pressure inside the cell and ultimately, cell rupture.
The cell wall also determines the shape of the bacterial cell. In freshwater bacteria, it is commonly rigid and has less water due to the environment it thrives in. In contrast, the cell wall of saltwater bacteria is often flexible and has more water to match the salinity level of the seawater. Thus, the cell wall is essential in protecting bacteria in different environments by maintaining the right amount of water in the cells.
In conclusion, the cell wall would prevent the cells from rupturing as the bacteria move from salty seawater to freshwater environment.
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Explain how the situation described in the article shows that the outside environment can help and hurt cells
Answers
Answer:
An external factor caused damage to the nerve cells. However, the injection of new cells into the injured area prompted a beneficial change. The injured cells received proteins that decreased inflammation and pain in the mice.
Explanation:
Answer:
An external factor caused damage to the nerve cells. However, the injection of new cells into the injured area prompted a beneficial change. The injured cells received proteins that decreased inflammation and pain in the mice.
Explanation:
List differences of a human digestive system and a frogs digestive system
Answers
The following are the differences of human and frog digestive systems:
1. Humans possess stable teeth which they use for chewing while frogs do not possess stable teeth to grip their prey.
2. Chewing for humans is an automatic digestion while frogs do not chew their prey but swallow it instead.
3. Humans possess only a set of teeth while frogs possess two sets of teeth.
4. Human's tongue is inclined behind the mouth while the frog's tongue is inclined to the opening of the mouth.
5. Humans possess a lengthy small intestine while the frog possess a more concise small intestine.
6. The expulsion of undigested food in human is through the rectum while in frog, it is through the cloaca.
2. Why are cell walls useful in plant cells but not animal cells?
Answers
The table below shows four organisms and one or more biological processes each uses.
Biological Processes of Some Organisms
Organism
Photosynthesis
Aerobic
Respiration
Anaerobic
Respiration
Which organisms transfer carbon from the environment to the
Answers
The organisms that transfer carbon from the environment to the biosphere are land plants and algae.
What is the role of plants in transferring carbon from the environment to the biosphere?Plants and algae are important organisms that help in transferring carbon from the environment to the biosphere.
By means of the process of photosynthesis, plants, and algae take carbo present as carbon dioxide in the atmosphere and convert them to food nutrients in the form of glucose and starch.
Thus, plants and algae play important role in the conversion of carbon to food,
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Please tell me, in your own words, what you know about the ideas of natural selection
and evolution.
Answers
Explanation:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
In the theory of natural selection, organisms produce more offspring than are able to survive in their environment. Those that are better physically equipped to survive, grow to maturity, and reproduce. ... Biologists have since observed numerous examples of natural selection influencing evolution.
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In this activity, you will compare the properties of DNA polymerase I, II, and III. Identify the properties of DNA polymerase I. Select all that apply.
Answers
The properties of DNA polymerase I are:
5' to 3' polymerase activity
3' to 5' exonuclease activity
5' to 3' exonuclease activity
Low processivity
Involved in removing RNA primers and replacing them with DNA during DNA replication
Has a molecular weight of about 109 kDa.
DNA polymerase I, II, and III are enzymes involved in DNA replication in prokaryotes. The properties of DNA polymerase I are:
5' to 3' polymerase activity
3' to 5' exonuclease activity
5' to 3' exonuclease activity
Low processivity
Involved in removing RNA primers and replacing them with DNA during DNA replication
Has a molecular weight of about 109 kDa.
Therefore, the correct options are:
5' to 3' polymerase activity
3' to 5' exonuclease activity
5' to 3' exonuclease activity
Involved in removing RNA primers and replacing them with DNA during DNA replication
Has a molecular weight of about 109 kDa.
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Within convection cells, warm moist air rises from the equator and descends at 20–30 degrees from the equator. Convection cells are partially responsible for the distribution of which two biomes?
Answers
Within convection cells, warm moist air rises from the equator and descends at 20–30 degrees from the equator. Convection cells are partially responsible for the distribution of two biomes i.e. tropical rain forests and subtropical deserts.
A convection cell is a system involving a fluid that is heated thus, reducing its density and allowing it to migrate to a region of high density. This cycle is repeated and a sequence of motion is created.
Convection cells in the Earth's atmosphere are accountable for physical phenomenon e.g. blowing of wind.
A biome is a well defined biogeographical unit comprising of a biological community which has been established in reaction to a shared regional climate.
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Weater flows through the body of the sponge in
the direction the arrow points in this illustration
How does water move through a sponge?
in through the flagellum and out
through the collar cells
in through the pores and out through
the osculum
in through the collar cells and out
through the epidermis
in through the spongocool and out
through the pores
Answers
Answer: Option B, In through the pores and out through the osculum
Explanation:
Sponges are poriferans which live in the location which are permanently located near water. The water in the body of sponges flows so that it can get the proper food for themselves.
The water flows through the cells of the body These are known as pores ( also called as porocytes) which is found in all over the body of the sponges.
The water after flowing in the whole body comes out of the oscula. These large openings are known are osculum.
The mutational mechanism that results in the production of antibodies that bind antigen with higher affinity is called _____.
Answers
Answer:The answer is Somatic hypermutation.
What causes the expression of a recessive trait?
one dominant gene
two recessive factors (alleles)
two dominant factors (alleles)
one dominant and one recessive factor (allele)
Answers
Answer:
two recessive alleles
Explanation:
the last one is wrong since the dominant allele kinda like "dominates" the recessive so the trait turns out to be dominant
one of the major categories of receptors in the plasma membrane are the enzyme-linked receptors, also known as receptor tyrosine kinases. what is the order of events in this pathway?
Answers
The order of events in the pathway of enzyme-linked receptors, also known as receptor tyrosine kinases, includes the binding of a ligand to the extracellular domain of the receptor, which causes dimerization of the receptor.
This leads to activation of the intracellular tyrosine kinase domain of the receptor, which then phosphorylates tyrosine residues on the receptor and on downstream signaling proteins. This activation of downstream signaling cascades ultimately leads to cellular responses, such as changes in gene expression, metabolism, and cell proliferation or differentiation.
The order of events in the pathway involving enzyme-linked receptors, specifically receptor tyrosine kinases (RTKs), is as follows:
1. Ligand binding: A signaling molecule (ligand) binds to the extracellular domain of the RTK.
2. Receptor dimerization: This binding event promotes RTKs to form a dimer (two RTKs pair together).
3. Autophosphorylation: The intracellular domains of the RTKs undergo autophosphorylation, where they phosphorylate each other's tyrosine residues.
4. Activation of downstream signaling: The phosphorylated RTKs then recruit and activate various intracellular signaling proteins, initiating a signaling cascade that ultimately leads to a cellular response. These events allow enzyme-linked receptors like RTKs to play crucial roles in cellular communication and response to external stimuli.
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Even though it is heavily debated, solitary confinement continues to be used in the prison system. What are some of the ethical arguments against using this technique?
** CRIMINAL JUSTICE 20 POINTS **
Answers
Answer:
system.
Cruel and inhumane treatment: Some argue that solitary confinement constitutes cruel and inhumane treatment, as it can cause severe psychological harm to inmates. Being isolated for extended periods of time can lead to anxiety, depression, hallucinations, and other mental health issues.
Lack of rehabilitation: Solitary confinement is not effective in rehabilitating prisoners. Instead, it can make inmates more violent and unstable, as they have no access to education, therapy, or other forms of rehabilitation.
Violation of human rights: Solitary confinement violates the human rights of prisoners, as it deprives them of basic needs such as social interaction, natural light, and fresh air. It also denies them the right to due process and the ability to challenge their confinement.
Disproportionate use: Solitary confinement is often used disproportionately against marginalized groups such as people of color, LGBTQ+ individuals, and those with mental illnesses. This can perpetuate systemic discrimination and inequality within the prison system.
Ineffective as a deterrent: Solitary confinement has not been proven to be an effective deterrent against crime. Rather, it can perpetuate a cycle of violence and trauma, leading to higher rates of recidivism.
Overall, these ethical arguments suggest that the use of solitary confinement should be reconsidered and alternative forms of punishment and rehabilitation should be explored.
Explanation:
Answer:
Solitary confinement, also known as segregation or isolation, is a form of punishment where an inmate is kept in a cell for 22-24 hours a day with little to no human interaction. This practice has been criticized for its severe impact on mental health, and has raised several ethical concerns. One of the primary arguments against the use of solitary confinement is that it violates the Eighth Amendment, which prohibits cruel and unusual punishment. The United Nations has also condemned its use as a form of torture, as it can lead to psychological and physical harm.
Explanation:
Which feature of the model represents stored chemical energy
Answers
The sugar molecule represents the most stored chemical energy. Thus, the correct answer is Option B.
Sugar (glucose, C₆H₁₂O₆) is a biological molecule that stores energy in its chemical bonds, not the molecule that initiates the process of cellular respiration During cellular respiration, glucose is broken down in a series of chemical reactions to produce energy ATP (adenosine triphosphate).
The process of cellular respiration begins at the stage of glycolysis, where glucose in the cytoplasm of the cell is partially broken down into pyruvate molecules and then the pyruvate molecules are broken down again in the presence or production of oxygen (aerobic respiration). fermentation in the absence of oxygen depending on whether oxygen is present
During aerobic respiration, pyruvate enters mitochondria and undergoes the citric acid cycle (also known as the Krebs cycle) and the electron transport chain These processes release energy from glucose chemical bonds to produce more ATP.
Therefore, sugar (glucose), although it stores energy in its chemical bonds, is not the molecule that initiates cellular respiration. Instead, during cell respiration, glucose is broken down and energy is released in the form of ATP.
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Complete question:
Which feature of the model represents the most stored chemical energy?
A. The oxygen gas molecule
B. The sugar molecule
C. The water molecule
D. The carbon dioxide molecule
Ciclo biológico de entamoeba gingivalis
Answers
Answer:
Ciclo biológico:
Los quistes se excretan en heces . La infección por Entamoeba histolytica ocurre por la ingestión de quistes maduros en alimentos, agua o manos contaminadas con heces. La eclosión ocurre en el intestino delgado liberando a los trofozoítos, que migran al intestino grueso.
Explanation:
stay safe
mendel crossed y/y;r/r (yellow wrinkled) peas with y/y;r/r (green smooth) peas and selfed the f1 to obtain an f2. what proportion of the f2 individuals were true breeding for both traits?
Answers
The proportion of the F2 individuals were pure-breeding aka homozygous for both traits is 1/9, thus the correct option is (c).
P: Y/Y; R/R (yellow wrinkled) with y/y; r/r (green smooth)
F1: Y/y; R/r
F2: 9 yellow, wrinkled : 3 yellow, smooth : 3 green, wrinkled : 1 green, smooth
They are homozygous for this characteristic. If you perform a Punnett square for the F1 cross, you will notice the above-mentioned 9:3:3:1 ratio in F2. There are nine wrinkled, golden peas. How many of them are R/R;Y/Y. You'll notice that only one person has the genotypes R/R;Y/Y. Thus, 1 in 9 of the yellow, wrinkled seeds are pure breeders.
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The complete question is:
Mendel crossed Y/Y;R/R (yellow wrinkled) peas with y/y;r/r (green smooth) peas and selfed the F1 to obtain an F2. What proportion of the F2 individuals were pure-breeding (aka homozygous for both traits)?
(a) 1/4
(b) 1/2
(c) 1/9
(d) 3/4
why are marine fisheries particularly susceptible to the tragedy of the commons? group of answer choices fish populations experience a lot of overshoot and die-off events. fish are migratory and move through international waters. pollution is highest in areas with high fish populations. international waters are governed by antiquated nautical law.
Answers
Marine fisheries are particularly susceptible to the tragedy of the commons because fish are migratory and move through international waters.
The fish are migratory means that fish populations are not confined to one area and can be accessed by multiple countries. As a result, it is difficult to enforce regulations and prevent overfishing. Without proper management, fish populations can experience a lot of overshoot and die-off events, leading to a depletion of the resource.
Additionally, international waters are often governed by antiquated nautical law, which can make it difficult to enforce regulations and prevent overexploitation of fish populations. Overall, the combination of migratory fish populations, international waters, and outdated laws contribute to the susceptibility of marine fisheries to the tragedy of the commons.
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A double-stranded dna molecule with three guanine and five thiamine nucleotides (on one 5' to 3' strand) has how many nucleotides in total?
Answers
A double-stranded DNA molecule with three guanine and five thymine nucleotides (on one 5' to 3' strand) has 16 nucleotides in total.
What is a nucleotide?A nucleotide is the monomer constituting DNA or RNA biopolymer molecules.
Each nucleotide consists of the following:
A nitrogenous heterocyclic base; which can be either a double-ringed purine or a single-ringed pyrimidineA five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA)A phosphate groupA double-stranded DNA molecule posseses two strands of DNA made up of nucleotides.
According to this question, a double-stranded DNA molecule has three guanine and five thiamine nucleotides.
This means that each stand of DNA has 8 nucleotides, hence, the double-stranded DNA will have 16 nucleotides in total.
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What is the primary difference between a Prokaryote and Eukaryote?
A. The presence of Organelles
B. Plasma Membranes
C. Membrane- bound Nucleus
D. Cell Walls
Answers
Answer:
C. Membrane-bound Nucleus
Explanation:
There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.
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Which conclusion is MOST STRONGLY supported by the data in the table?
A- Plants develop polyploidy only through selective breeding.
B- Plants may naturally increase their ploidy levels with each generation.
C- Plants can't survive 3, 4, or 5 times the haploid number of chromosomes,
D- Introducing polyploidy to plants can increase certain desirable traits.
Answers
The conclusion that is MOST STRONGLY supported by the data in the table is "D- Introducing polyploidy to plants can increase certain desirable traits."
option D is correct.
The table shows that introducing polyploidy in plants can increase the size of the leaves, cells, fruits, flowers, and seedless fruits.
Therefore, we can conclude that polyploidy can improve certain desirable traits in plants. This is also supported by the fact that many plants that are grown commercially are polyploid, which is an evidence that introducing polyploidy in plants has its advantages.
Option A is incorrect as polyploidy can be developed naturally.
Option B is not the MOST STRONGLY supported conclusion as it is not always the case that plants will increase their ploidy level with each generation.
Option C is incorrect because many polyploid plants exist and are able to survive with a higher chromosome number.
option D is correct.
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The medulla oblongata plays a major role in all of the following EXCEPT: heart rate breathing swallowing visual reflexes balance
Answers
Medulla oblongata does not play a role in visual reflexes.
What is medulla oblongata?Medulla oblongata is the lowest part of the brain and brainstem . The medulla oblongata is linked up to the midbrain by pons.
The medulla oblongata function well in the regulation of autonomic nervous system, such as respiration, cardiac function, vasodilation, and some reflexes actions like vomiting, sneezing coughing and so on.
Therefore, Medulla oblongata does not play a role in visual reflexes.
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The nose and the nasal cavity filter, warm and moisten the air you breathe.
True
False
Answers
Hopefully, this earns Brainliest!
Question 2
Now design your model in whatever format you prefer. Here are some examples:
Using graphic design software to model the process.
Drawing a poster to show the process.
Making a computer flowchart using diagrams of the organs.
Creating a 3-D model from clay or paper.
Producing a video to show the process.
.
.
.
.
When designing the model, be sure that it accomplishes these goals:
Clearly communicates the process through visual aids, words, or both.
Identifies the major organs involved in the process.
Identifies the major systems involved in the process.
.
.
.
• Shows the biological hierarchy of one organ.
Identifies at least one of the major tissue types found in that organ.
Presents a picture of cells that form that specific tissue.
.
.
Check with your teacher for additional guidelines. When you have completed your model, use the Insert Image button to
insert a screenshot or image of it in the answer space.
Answers
Title: Model of the Digestive System
Description: One will utilize a computer diagram to depict the process of the digestive system in this model.
What is the Digestive SystemThe process will be illustrated through the use of organ diagrams accompanied by descriptive labels in the construction of the flowchart.
The starting point of the flowchart will display an input arrow that indicates the entry of food into the mouth . Subsequently, it will split off into diverse routes that portray the various mechanisms implicated in nutrient breakdown, namely the processes of the digestive, circulatory, and respiratory systems.
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Why is it necessary to separate oxgynated blood and deoxgynated blood in living organisums?
Answers
Answer:
For efficient transportation of blood.
Explanation:
1.What would happen to our growth and development if the pituitary gland is damaged or removed? Explain with example.
2.How do insulin and glucagon maintain blood glucose levels?
3.How is the development of secondary sexual characteristics , such as onset of meanstruation, growth of hair, and production of sperm and eggs related to gonads?
okk
Answers
If the pituitary gland is damaged or removed, our growth and development are adversely affected.
Insulin reduces blood sugar levels.
The development of secondary sexual characteristics is directly related to gonads.
What would happen if your pituitary gland can't work properly?The pituitary gland is known as the master gland of the endocrine system because it controls many hormone glands in our body. Without Pituitary glands, the body wouldn't reproduce and grow properly and many other functions are not working properly in our body.
Insulin reduces the blood sugar levels in our body and provides glucose to the cell for the production of energy. When blood sugar levels are too low, the pancreas releases glucagon in the blood with help of insulin. Glucagon is a type of hormone that pancreas help to regulate your blood glucose levels. The liver release stored glucose which causes the blood sugar levels in the body to rise.
The pubertal changes in secondary sex characteristics like breast development, fat deposition, development of genitalia, changes in the larynx, and hair growth lead to increasing levels of gonads.
So we can conclude that our growth and development are adversely affected if the pituitary gland is damaged or removed.
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