Answer: A. The Pineal body
Explanation: The pineal gland is responsible for releasing melatonin in response to a dark environment.
B. The cerebellum is largely responsible for motor functions such as walking and balance.
C. The hypothalamus is largely responsible for maintaining homeostasis within the body through the control of the autonomic nervous system and various hormones.
D. The corpus callosum is the "bridge" that helps the two hemispheres of the brain communicate with one another.
E. The hippocampus is largely responsible for learning and memory.
Which of the following are an advantage and disadvantage of hydrogen energy use?
Advantage: Hydrogen is easy to store.
Disadvantage: Hydrogen is scarce.
Advantage: Hydrogen allows for zero emissions.
Disadvantage: Hydrogen is difficult to store.
Advantage: Hydrogen is an efficient form of energy.
Disadvantage: Hydrogen allows for pollution to be emitted.
Advantage: Hydrogen fuel has established infrastructure.
Disadvantage: Hydrogen is scarce.
The following are an advantage and disadvantage of hydrogen energy use and is denoted as option B.
Advantage: Hydrogen allows for zero emissions.Disadvantage: Hydrogen is difficult to store.What is Hydrogen?This is an element with a atomic number of 1 and exists as a colorless flammable gas.
It has to be liquefied which is why it is difficult to store and allows for zero emissions which makes it a clean source of energy.
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Describe and Identify 5 Planktons
Planktons are organisms which are known for their small structure and inability to swim against water current.
What is a Plankton?These are organisms in water which are divided into two known as:
Phytoplankton- These are are autotrophic prokaryotic or eukaryotic algae.Zooplankton - These are small protozoans or metazoans.Mycoplankton- These include fungus organisms.Bacterioplankton - These include bacteria and archaea.Virioplankton - These include viruses.They are usually non motile hence the reason why they are easily carried by ocean tide and current.
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Which phrase describes faults?
Answer:
socorrates dijo conócete a ti mismo
yo digo conócete a tus usuarios
y adivina que ellos no piensan como tú
Explanation:
conócete primero a ti mismo
in 2016, Sub-Saharan Africa had a doubling time of 23.3 years.
calculate the growth rate
doubling time=70/ growth rate.
A. 4%
B. 3%
C. 5%
D. 2%
The correct answer is Option B: 3%.
In 2016, Sub-Saharan Africa, doubling time is 23.3 years, thus Growth rate is 3%.
What is doubling time?The doubling time is the time taken by a population to double in its size. This concept is applied to population growth, inflation, resource extraction, consumption of goods, the volume of malignant tumors, and many other things that tend to grow over time.There is an important relationship between the percent growth rate and its doubling time known as “the rule of 70”: to estimate the doubling time for a steadily growing quantity, simply divide the number 70 by the percentage growth rate.Therefore, Growth rate is 70 divided by doubling time (70/ doubling time).Here, Doubling time= 23.3 years. Growth rate= 70/23.3= 3%Learn more about population growth rate here:
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Saccharomyces cerevisiae is used in the making of all of the following EXCEPT ______
.yogurt
beer
bread
wine
Saccharomyces cerevisiae is used in the making of all of the above EXCEPT yogurt
What is Saccharomyces cerevisiae?Saccharomyces cerevisiae simply refers to those species of yeasts which is used in making beer, bread, wine et.c
So therefore, saccharomyces cerevisiae is used in the making of all of the above EXCEPT yogurt
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Now that you have had a chance to delve into epigenetics, think about how it applies to the argument between those who say we are a product of our nature and those who think we are nurtured into what we become. Your essay should be at least 250 words and include three different ways epigenetics affects our genes. Write your essay in a separate text document and upload it for submission here.
Epigenetics represents the intersection between environment (what we eat) and genetic factors.
What is Epigenetics?Epigenetics is a subdiscipline of genetics that studies how gene expression patterns may change according to different environmental inputs.
Epigenetic mechanisms include DNA methylation, histone modifications and non-coding RNAs pathways.
In conclusion, Epigenetics is the intersection between environment and genetics.
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Occurs when the individual inherits only one (female) X chromosome
Answer:
Turner Syndrome
Explanation:
When someone only inherits only the X chromosome, their karyotype symbol for that will be XO. Symptoms of Turner Syndrome include "short height, failure of the ovaries to develop and heart defects."
While sitting on a picnic blanket at the park, Sami didn't notice ants swarming around her feet and repeatedly biting her. She became very itchy and uncomfortable. Now each time she goes to the park for a picnic, she becomes itchy and uncomfortable. What is feeling itchy and uncomfortable just by going to the park in this scenario?
Unconditioned stimulus
Unconditioned response
Conditioned stimulus
Conditioned response
Answer:
C: Conditioned stimulus
Explanation:
Ur welcome
Brainliest please
A conditioned stimulus is an external stimulus that eventually results in an external response. In the experiment described, the conditioned stimulus was the ringing of the bell, and the conditioned response was salivation.
What are the different role of Conditioned stimulus?The conditioned stimulus (CS), in the language of the classical conditioning paradigm, is a learnt stimulus that may eventually cause a conditioned response.
For instance, in Pavlov's experiment, the sound of a bell serves as the conditioned stimulus, while the salivating of the dog serves as the conditioned response.
A substitute stimulus known as a conditioned stimulus causes an organism to react in the same way that an unconditioned stimulus does.
Therefore, Simply explained, a conditioned stimulus is something that an organism responds to because it is connected to another event.
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How negative feedback mechanism occurs in blood carbon dioxide levels
Answer:
If you have elevated carbon dioxide in the blood, the body sends a signal to the lungs to breathe faster to eliminate the carbon dioxide build-up, thus causing a faster breathing rate.
Explanation:
raised carbon dioxide triggers an increase in respiratory rate, which decreases the amount of carbon dioxide, and the respiratory rate falls again.
Based on the Punnett square above, what is the probability that an offspring from this cross will have a heterozygous genotype ?
A. 100%
B. 50%
C. 25%
D. 0%
3. Describe the relationship between systems, tissues, organs, and cells.
Answer:
They have a never ending relationship.(It ends on the death of the living being).
Explanation:
How they are inter-related:
The smallest structural and operational unit in the human body are cells.
A TISSUE forms when a number of specialized cells work together to complete a specific task.
The ORGANS are made up of tissues that work together to provide a specific purpose in the body.
Now, an ORGAN SYSTEM is created when a collection of organs in the human body carry out the life process.
It is important to learn effective ways to give feedback to be an effective communicator and professional. For this
discussion, think about the 4-Step formula from the lecture. Read the scenario below, then answer the prompts.
Scenario:
Jade is a senior marketing coordinator at a large communications company. One of Jade's responsibilities is to mentor
newly hired employees like Carla. Two weeks after Carla is hired, Jade notices that Carla's email messages are
sometimes too informal. As her mentor, Jade decides to give Carla feedback to help her improve.
Hi Carla,
I saw your recent report to the manager. I know that you are supposed to send me the reports to proofread for you, but I kind of assumed you would proofread
them for basic errors before you sent them to me. I think we all were hired because we know how to use professional communication skills, so I was kind of
hoping you would do a better job of fixing your report for major errors before you sent it to me. Can you start doing that please? I am really finding it time
consuming to fix mistakes you could have spotted easily.
1. Describe if you felt Jade's feedback was effective or not based on what you learned about feedback from the lecture.
2. List suggestions on how Jade could improve her feedback to Carla.
No, I don't think that Jade's feedback was effective because she was not very direct.
What is Feeback?This refers to the response that is given to a person based on a query and is a part of effective communication.
Therefore, some suggestions that Jade can use to improve her feedback to Carla are:
Be clear and directDo away with words like "I thought", "I kind of assumed", etc.Give a procedure that can be easily understood by CarlaRead more about feedback here:
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what is biographies
Biography is the study of life and living organisms.
What is Biography?The biographies are organized chronologically, are not centered around an evolutionary approach, and can be read in any order.The grouping starts with Carl Linnaeus (1707–78), who presented a still-valid terminology for classifying organisms. As well to massive productivity, Linnaeus maintained ingenious inventions. As a physician, he told that infectious diseases such as smallpox, measles, dysentery, syphilis, and plague might be caused by very small organisms. This was long before microscopes allowed us to see these pathogens. The idea must have said quite bold to his contemporaries, who used scents as protection against disease.To learn more about Biography, refer:
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Which 3 ideas are true?
1 Agriculture results in a net movement of minerals from water to land.
2 Organic fertilizers can improve soil texture.
3 The nutrients generally found in fertilizers are nitrogen, phosphate and sulfate.
4 Bodies of water can be damaged if they become excessively enriched in plant nutrients.
5 Minerals can cycle between living and non-living parts of an ecosystem.
6 Organic fertilizers can harm plants if they are used incorrectly.
The three (3) ideas that are true are as follows:
Organic fertilizers can improve soil textureBodies of water can be damaged if they become excessively enriched in plant nutrientsMinerals can cycle between living and non-living parts of an ecosystemWhat are fertilizers?Fertilizers are natural or synthetic substances that are used to make the ground more suitable for growing plants.
However, organic fertilizers are specific types of fertilizers that make use of remains or products of living organisms.
According to this question, the following are true;
Organic fertilizers can improve soil texture: Organic fertilizers help to make the soil easy to work onBodies of water can be damaged if they become excessively enriched in plant nutrients; this can cause eutrophication. Minerals can cycle between living and non-living parts of an ecosystemLearn more about fertilizer at: https://brainly.com/question/24196345
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Why are fossil fuels often not found in mountainous areas?
A. because areas with mountains do not have enough life
B. because areas with mountains were less likely to be covered by ocean water.
C. because areas with mountains are really hard to mine.
Fossil fuels are often not found in mountainous areas because mountainous areas are very difficult to mine.
C. because areas with mountains are very difficult to mine.Why is it difficult to extract oil from the mountains?Because they are soils of volcanic origin or tectonic plate collisions, the soil is much more difficult to be mined due to the large amount of rock.
With this information, we can conclude that the soil is much more difficult to be mined due to the large amount of rock.
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Which of the following is an ethical question?
A. How do we clone humans?
B. Will cloning technology be useful?
C. Do clones have the same rights as humans?
D. Can we clone humans?
THINKING
1. A protease which is protein in nature:
A. Lipase
C. Gastrin
B. Enterokinase
D. Amylase
Answer: D. Amylase
Explanation:
Amylase is a enzyme that breaks down protein present in food.
How can the detergents we use cause pollution?
A. When we wash clothes, the chemicals in detergent can evaporate and pollute the air.
B. The chemicals can stay in our clothes and then get into the environment when we are outside.
C. The phosphates from detergent that end up in the water supply cause less oxygen to be present.
D. Salts in the detergents can absorb into the ground when clothes are thrown out.
Answer:
c
Explanation:
water can and will most likely be recycled
2. How is modeling useful to scientists?
Answer:
scientific modeling, the generation of a physical, conceptual, or mathematical representation of a real phenomenon that is difficult to observe directly. Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.
The crossover frequency between genes E and F is 6%, between E and G is 10% and between F and G is 4%. Construct a gene map. Determine the sequence of genes on the chromosome.
EFG...because G and E are furthest from each other, and F is closer to G than to E so this is the sequence of genes on a chromosome.
A sequence of genes is the entirety of an organism's genetic material, according to the areas of molecular biology and genetics. It is made up of DNA nucleotide sequences (or RNA in RNA viruses). Knowing the placement of the four chemical "bases," or building components, that make up the DNA molecule is known as sequencing of DNA.
The sequencing of DNA reveals to researchers the type of genetic data that is stored in a certain DNA segment. The basic building block of heredity, the gene, is situated over a particular chromosomal location. A chromosome contains thousads of DNA strands that each encode a number of different genes.
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Two individuals who are heterozygous for Huntington’s are pregnant with a child. What is the probability that the resulting child will not inherit Huntington’s disease ?
Calculate the probability. The Punnett square is provided to show your work
The probability that the child will not inherit Huntington’s disease is therefore 1/4.
What is Probability?This is defined as a numerical description of how an event is likely to occur and the formula is :
Number of favourable outcomes/Total Number of outcomes.
When the heterozygous traits(Hh × Hh) are crossed, we have HH, Hh, Hh, hh.
The recessive trait is hh which makes the probability to be 1/4 in which the resulting child will not inherit the disease.
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The lagging strand runs in a _________ direction and is replicated _________.
A. 3’ to 5’, continuously
B. 5’ to 3’, continuously
C. 3’ to 5’, discontinuously
D. 5’ to 3’, discontinuously
The lagging strand runs in a 5’ to 3’ direction and is replicated discontinuously.
Why a discontinuous or delayed tape?The other strand, called delayed, is replicated discontinuously. In this case, the presence of Okazaki fragments is necessary, small pieces of DNA that will bind to form a new strand. - DNA is degraded by two types of enzymes.
The ends of a DNA strand are classified as 5' and 3', as they correspond to the carbon number of the pentose where the phosphate and hydroxyl (OH) group are located, which join in a phosphodiester bond.
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Using what you know about mutation, cellular division(mitosis), and DNA replication, explain how damaged DNA in a stem cell could cause a large impact to an organism.
Answer______________
_____________________
____________________
____________________
_______________________
Answer:
It could largely impact the way you look.
Explanation:
Since 100% of your DNA decides how you look, if even one thing changes, one part of your look would change. Sometimes it's something big like eye color, or sometimes like a small change in skin color.
Down syndrome, the most common genetic condition in the United States, is also called trisomy 21. What does this mean?
(PLEASE ANWSER ONLY IF YOUR SURE )
A)
A person with Down syndrome has two copies of chromosome 21 but they're fused together. During early embryo development, these chromosomes didn't segregate properly.
B)
A person with Down syndrome has three copies of chromosome 21 instead of two copies. Two sperm cells simultaneously fertilized the egg cell.
C)
A person with Down syndrome has only one copy of chromosome 21 instead of two copies. Either the sperm cell or the egg cell was lacking this chromosome.
D)
A person with Down syndrome has three copies of chromosome 21 instead of two copies. An extra chromosome 21 was present in either the sperm or the egg cell.
A person with Down syndrome has three copies of chromosome 21 instead of two copies. An extra chromosome 21 was present in either the sperm or the egg cell (Option D).
What is a trisomy?A trisomy is a genetic phenomenon where there homologous chromosomes (instead of two) are found in diploid cells.
A person with Down syndrome carries three copies of chromosome number 21 instead of two.
In conclusion, A person with Down syndrome has an extra chromosome 21 that was present in either the sperm or the egg cell (Option D).
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What kind of geological forces or events cause mountains to form? Using the Himalayan Mountains as an example, explain the process of mountain building that is caused by plate movement.
The Indian Plate and Eurasian Plate colliding caused the formation of the Himalayan Mountains and Tibetan Plateau.
When India and Tibet collided, the relatively light sedimentary and metamorphic rock that makes up the Indian subcontinent pushed against Tibet, driving it upwards, and creating a gigantic mountain fold instead of descending with the plate.
Where continental plates clash, mountains form. Each plate will not sag below the other because they are the same thickness and weight.
Instead, they give way and fold until the rocks are forced to take the shape of a mountain range. Mountains keep rising in height as the plates continue to collide.
As a result of the Indian Plate and Eurasian Plate colliding, the Himalayan Mountains and Tibetan Plateau were created.
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If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?.
If the gamete were diploid like somatic cell, zygotes would contain twice of diploid number of chromosomes.
what is zygote?A zygote is a type of eukaryotic cell created when two gametes fertilize one another.
An organism's reproductive cells are called gametes.
They are additionally known as sex cells.
Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.
During fertilization both male and female gametes are fused to form zygote. chromosome of both gametes are fused in zygote.
If gametes have diploid number of chromosome then zygote would have twice of diploid number of chromosomes that is chromosome number of two gametes.
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Identifying Igneous Rock FormationFill in the blanks to complete each statement about igneous rock formation. intrusive rocks form when extrusive cools below Earth’s surface. rocks form when cools on Earth’s surface.
The author uses the Money Pit diagram to show
A
the rocks and minerals below Earth's surface.
B
the depth at which various items were found.
C
the considerable money spent to explore it.
D
the location of the pirate treasure.
The author uses the Money Pit diagram to show the location of the pirate treasure.
What is the Money pit diagram?The money pit diagram depicts the location of a treasure that is deep below the ground. It shows a dip pit in the city of Oakland that was explored by a team in search of a hidden treasure somewhere in the field. The money pit exists in Oakland. Once, explorers who were digging deep saw an inscription which suggested that a treasure was lying deep below.
However, no treasure was eventually found at the site after it was deeply dug. However, the hole dug in search of the treasure had been codenamed money pit until date. The money pit was found out in 1795 by a local boy named Daniel McGinnis
Hence, in this context, the author uses the Money Pit diagram to show the location of the pirate treasure.
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Answer: The answer is (B) the depth at which various items were found.
Explanation:
Which of the following occurs in meiosis but not mitosis?
O Sister chromatids separate and move to opposite ends of the spindle
O Homologous chromosomes separate
O The cells formed have the same combination of genes as found in the initial cell
O The nuclear envelope disappears
OA spindle apparatus forms
Answer:
AnswerThe nuclear envelope disappear
what is the primary distinction of being an animal?
A) ability to reproduce
B) having a backbone
C) ability to digest
D) ability to turn sunlight into energy
Answer: A) ability to reproduce
Explanation: