true or false. the adrenal gland secretes hormones that slow down the heart rate and lower blood glucose levels.
Answers
Adrenal gland secretes hormones that slow down the heart rate and lower blood glucose levels : False.
What happens when adrenal gland secretes hormones?Adrenal glands secretes hormones that helps in the regulation of metabolism, immune system, blood pressure, response to stress and other essential functions.
During stress, adrenal gland responds rapidly with increased secretion of glucocorticoids and catecholamines into circulation which affect metabolism, to provide acutely energy, vasculature to increase blood pressure and immune system to stop it from extensive activation.
The medulla is the inner part of adrenal gland and it releases the hormones adrenaline and noradrenaline that helps in controlling your heart rate and sweating.
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Related Questions
Where does the process of cellular respiration mostly happen? A in the mitochondria B. in the nucleus С in the chloroplasts D in the ribosomes
Answers
Answer: The process of cellular respiration mostly happens in A. the mitochondria.
Explanation: Hope this helps
Explain how this experiment supports the statement, "The cell is the building block of life."
Answers
Answer: Cells are the basic unit and structure of everyone. When someone is made, they are made out of one cell. They go through
Explanation:
a population of slugs has 230 individuals that are aa, 570 that are aa, and 200 that are aa. what is the frequency of the a allele?
Answers
For a population of slugs has 230 individuals that are aa, 570 that are aa, and 200 that are aa. The frequency of the "a" allele in the population of slugs is 20%.
To calculate the frequency of the "a" allele, we need to determine the total number of alleles in the population and then calculate the frequency of the "a" allele.
Given the population counts:
Number of "AA" individuals = 230Number of "Aa" individuals = 570Number of "aa" individuals = 200To determine the total number of alleles, we multiply the counts by 2 since each individual has two alleles:
Total number of "AA" alleles = 230 x 2 = 460
Total number of "Aa" alleles = 570 x 2 = 1140
Total number of "aa" alleles = 200 x 2 = 400
Now, we add up the counts of each allele to get the total number of alleles:
Total number of alleles = Total number of "AA" alleles + Total number of "Aa" alleles + Total number of "aa" alleles
Total number of alleles = 460 + 1140 + 400
= 2000
To calculate the frequency of the "a" allele, we divide the count of "aa" alleles by the total number of alleles:
Frequency of the "a" allele = (Total number of "aa" alleles) / (Total number of alleles)
Frequency of the "a" allele = 400 / 2000
= 0.2 or 20%
Therefore, the frequency of the "a" allele in the population of slugs is 20%.
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In order for plants to survive, they must be able to undergo photosynthesis, respiration, and transpiration. Which plant structures are the most essential for those three processes?.
Answers
Chloroplasts, thylakoids, and chlorophyll are the three main biological components that make sure photosynthesis occurs. Chloroplasts found in the mesophyll of leaves are where photosynthesis occurs.
The leaves, stems, and roots of a plant are its principal "organs" or structures. They are composed of collections of specialized tissues with structures that are appropriate for the functions they carry out. The key characteristics of these buildings and their purposes are summarized in the table below. In plants, the chloroplasts, which house the chlorophyll, are where photosynthesis occurs. The thylakoid membrane, a third inner membrane that creates lengthy folds within the chloroplast and is bordered by a double membrane, is present inside chloroplasts.
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Which lettered box could represent the rock conglomerate?
Answers
Answer:E
Explanation:I think it is
calculate the weight of an object whose mass is 30 kg and acceleration due to gravity 10 m/s2
Answers
Answer:
300 N
Explanation:
\( m = 30 \: kg \\ g = 10 \: m {s}^{ - 2} \\ w =? \\ \because \: w = mg \\ \therefore \: w = 30 \times 10 \\ \therefore \: w =300 \:N \:(Newton) \)
The weight of the object having a mass of 30 Kg is 300 N
The weight and mass of an object are related according to the following equation:
W = mgWhere:W is the weight
m is the mass
g is the acceleration due to gravity.
With the above formula, we can obtain the weight of the object as follow:Mass (m) = 30 Kg
Acceleration due to gravity (g) = 10 m/s²
Weight (W) =?W = mg
W = 30 × 10
W = 300 NTherefore, the weight of the object is 300 N
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which of the following is not a characteristic of organisms living in intertidal zones?
a. can adapt to temperature changes b. are able to attach to rocks c. do not need water to survive d.can withstand being submerged in seawater
Answers
Answer:
C
Explanation:
In need of help please
Answers
Answer:
thick and low in nutrients
Explanation:
because it is so cold and has barely any room for life in the first place, the soil is extremely low in nutrients. it is very thick. i know this because worms cannot move or live in that area because it is too cold and the soil is too thick. if you see what i mean since the worms cant get into the soild since its so thick and cold the soil has no nutrients so sorry it was very hard to explain
Describe what you know about enzymes that explains your claim
"When the temperature increases, the rate of a catalase activity increases. When the temperature decreases, the rate of a catalase activity decreases."
Answers
Answer:
enzymes are a catalyst. they speed up reactions within an organism.
help!! Air molecules get farther apart when heated and some escape from the can, which causing the air pressure inside the can to_______________
Answers
The air pressure is increasing from the particles space increasing.
What is the probability of a dominant offspring for these two parents?
A. 25%
B. 50%
C. 75%
D. 0%
Answers
Answer:
Here we see that there are three ways for an offspring to exhibit a dominant trait and one way for recessive. This means that there is a 75% probability that an offspring will have the dominant trait and a 25% probability that an offspring will have a recessive trait.
Which of the following is the most inclusive component of an organism?
A.
DNA
B.
genes
C.
proteins
D.
chromosomes
Answers
Answer:
d
Explanation:
I looked it up and it said it was d
The inclusive component of an organism is chromosomes.
What are chromosomes?Chromosomes are thread-like structures in look which are located inside the nucleus of any animal as well as plant cells.
A chromosome is made from protein as well as a single molecule of DNA.
The inclusive component of an organism is chromosomes.
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protiens are made by joining into long chains called
Answers
Polypeptides, which are extremely long chains, are assembled to form proteins.
What are the names of lengthy protein chains?These amino acids are arranged in a long chain and joined to one another by covalent peptide bonds to form proteins.Polypeptides are another name for proteins.
How are proteins created through fusion?Peptide bonds, in which the amino or NH2 of one amino acid bonds to the carboxyl (acid) or COOH group of another amino acid, are how amino acids are joined to form polypeptides and proteins.
What do you call long chains of molecules?The majority of large biological molecules are polymers, which are composed of long chains of monomers, or repeating molecular building blocks.
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5. All the living things on Earth form the ______
Answers
Humans Come From A Guy Sperm It Goes Into The Females Egg
Answer:
Biosphere.
Explanation:
Living things ( Biosphere )
Land ( Lithosphere )
Water ( Hydrosphere )
Air ( Atmosphere )
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the force by which blood is moved through vessels, including capillaries, is called
Answers
The force by which blood is moved through vessels, including capillaries, is called blood pressure.
Blood pressure is the measure of the force exerted by the blood against the walls of the blood vessels as it flows through them. It is determined by the amount of blood pumped by the heart, the resistance of the blood vessels, and the elasticity of the arterial walls. Blood pressure is expressed in millimeters of mercury (mmHg) and is recorded as two numbers: systolic pressure (the higher number) and diastolic pressure (the lower number). Systolic pressure measures the pressure in the arteries when the heart contracts, while diastolic pressure measures the pressure in the arteries when the heart is at rest between beats.
Normal blood pressure ranges between 90/60 mmHg and 120/80 mmHg. High blood pressure (hypertension) can lead to serious health problems, such as heart disease and stroke, while low blood pressure (hypotension) can cause dizziness and fainting. Regular monitoring of blood pressure is important for maintaining good health.
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Two organisms are produced as a result of asexual reproduction. How does their DNA compare to the
original cell(s)?
1. The DNA is similar, but there are some minor differences,
2. The DNA is the same.
3.The DNA is completely different.
4.The DNA is a combination of both parent cells,
Answers
Answer:
2. The DNA is the same.
Explanation:
They are basically copies of the other cell(s) because they were produced asexually.
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Using the steps of meiosis, justify how the law of independent assortment explains the inheritance of alleles for a two traits on separate chromosomes.
Answers
The law of independent assortment states that the alleles of different traits on separate chromosomes segregate independently during the process of meiosis. The steps of meiosis involve prophase I, metaphase I, anaphase I, and telophase I. During prophase I, the homologous chromosomes (each with two alleles) pair up and line up randomly along the equator of the cell. During metaphase I, the homologous chromosomes are pulled towards opposite poles of the cell. During anaphase I, the homologous chromosomes are separated and move to opposite poles of the cell. During telophase I, the cells divide and each daughter cell now contains only one allele of each gene, which are randomly assorted in the daughter cells. This random assortment of alleles is what explains the law of independent assortment and is why alleles of different traits on separate chromosomes can be inherited independently.
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a regular solid has dimensions of 3.20 cm by 4.90 cm by 5.40 cm. the mass of the solid is 235g. what is its density in g/cm3
Answers
Answer:
2.775415722
Explanation:
density is Mass divided by volume
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.
A graph entitled Paramecium Contractile Vacuole Contractions has salt concentration on the horizontal axis and contractions per minute on the vertical axis. A very low salt concentration has 30 contractions per minute, low: 22, medium: 15, high: 8, very-high: 2.
Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?
The contractions would increase.
The contractions would decrease.
The contractions would cease altogether.
The contractions would establish dynamic equilibrium.
Answers
Based on the data in the graph, the condition that would most likely happen if the paramecium were placed in distilled water is the contractions would increase.
What do you mean by Hypertonic salt solution?The Hypertonic salt solution may be defined as a solution that consists of a higher concentration of solute particles outside a membrane as compared to inside.
The contraction would increase when the paramecium was placed in distilled water because as the osmolarity of the distilled water decreases, the contraction would increase. Due to the hypotonic nature of distilled water, the contraction of the contractile vacuole of the paramecium will increase and expel more water quickly.
Therefore, based on the data in the graph, the condition that would most likely happen if the paramecium were placed in distilled water is the contractions would increase.
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Which types of organisms developed first due to the early environmental conditions on Earth? Must use terms prokaryotic or eukaryotic and aerobic or anaerobic.
Answers
Answer:
Prokaryotic and anaerobic.
Explanation:
I answered the same question few days ago:)
Use the model below to explain one the following real-world phenomena using a minimum of 3 sentences.
Answers
Asexual reproduction is a mode of reproduction that involves only one parent, and offspring are genetically identical to the parent.
Asexual reproduction can occur through several mechanisms such as binary fission, budding, fragmentation, and parthenogenesis. Binary fission is common in single-celled organisms, in which the cell divides into two daughter cells.
Budding involves the formation of a small bud on the parent organism, which eventually grows and detaches to form a new organism. Fragmentation occurs when a parent organism splits into pieces, each of which can grow into a new organism.
Parthenogenesis is a form of asexual reproduction in which unfertilized eggs develop into offspring. Asexual reproduction is advantageous in environments where finding a mate is difficult or where rapid population growth is required.
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how does messenger rna work inside the cell
Answers
Answer:
A RNA polymerase separates the hydrogen bases of a gene to produce a strand of messenger RNA, which leaves to nucleus. When a ribosome attaches itself to the messenger RNA, it reads the RNA 3 bases at a time to build amino acids which are then folded into proteins.
More explained process:
Note: The description below will explain the process of “protein synthesis”, in which the mRNA (messenger RNA) takes part of.
In the process of protein synthesis, the first step is called “transcription”. In transcription, the mRNA (messenger RNA) unwinds DNA base pairs, and pairs it with the single strand of RNA (A,U,C,&G) . Then the mRNA moves out of the nucleus and into the cytoplasm to ribosome. That process is called “translation”. In translation, there is a molecule called tRNA (transfer RNA). There is an amino acid which corresponds to the base pairs of RNA in top, which will create a chain of amino acids. [ For example, the bases are AUC, the corresponding amino acid will be isoleucine (Ile). Next, the tRNA molecules carry the amino acids to mRNA, reads the RNA 3 bases at a time to build an amino acid chain which are then folded into proteins.
Which of the following is an example of how a biotic factor can affect the population dynamics in an ecosystem? (4 points)
a
Lack of water during a drought causes many of the individuals in a population to die.
b
Seasonal temperature changes cause a species to migrate between two ecosystems.
c
Excessive rain and flooding cause organisms in an area to relocate.
d
The population of a predator increases following an increase in the population of its prey.
Answers
Answer:
d.The population of a predator increases following an increase in the population of its prey is an example of how a biotic factor can affect the population dynamics in an ecosystem
Explanation:
sorry if its wrong
Answer:
The correct answer is D The population of a predator increases following an increase in the population of its prey.
Explanation:
I took the test. Gl btw
Which factor can decrease the rate of a chemical reaction?
A low activation energy
B high pressure
C low temperature
D high concentration of enzyme
Answers
(c)Low Temperature of the Reactants can decrease the rate of a chemical reaction.
How temperature effects the rate of a chemical reaction
Chemical reactions typically occur faster at higher temperatures. Food can spoil quickly when left on the kitchen counter. However, the lower temperature inside of a refrigerator slows that process so that the same food remains fresh for days. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision.Thus decrease in the temperature of a reaction can help in decreasing the rate of a chemical reaction.Lower the temperature lower the chemical reaction rate.
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you are a marathon runner and need energy for tomorrow's race. how would eating pasta (and pie) help your body produce the energy it needs? Be sure to describe what will happen when you are running the race ( and breathing hard).
Answers
What ideas were changing in the scientific community at the time of Darwin's travels? How might those new ideas influenced Darwin?
Answers
Answer and Explanation:
At the time of Darwin's travels, the scientific community was beginning to abandon ideas linked to creationism to adopt more scientific and testable concepts, less linked to religiosity. Darwin was very influenced by these new concepts and decided to study a way to apply them to the biological diversity that planet earth presented. He wanted to explain this diversity through scientific data, obtained by experiments and logical reasoning, without the interference of creationist concepts and that would show how life on earth changes over the years and how species of living beings were created. This was one of the kicks that made him start his travels and his studies on biological evolution.
A particular diploid plant species has 48 chromosomes, or two sets. A mutation occurs and gametes with 48 chromosomes are produced. If self-fertilization occurs, the zygote will have _____ set(s) of chromosomes.
Answers
Answer:
4 sets
Explanation:
Both gametes will each have 48 chromosomes (2 sets). So if fertilisation were to occur, two of those gametes (both with 2 sets each) the zygote will have 4 sets.
If self-fertilisation occurs, the zygote will have two set(s) of chromosomes.
What is self fertilisation?Self-fertilization, also known as self-pollination, is a type of sexual reproduction in which a hermaphroditic or monoecious organism fertilizes its own gametes. This means that the male and female reproductive organs are present in the same individual, allowing for self-fertilization to occur.
In plants, self-fertilization can occur through a variety of mechanisms, including self-pollination by wind or gravity, or by the transfer of pollen from the anther to the stigma of the same flower. Self-fertilization can also occur in animals that are hermaphroditic, such as some species of snails and slugs.
Self-fertilization can have both advantages and disadvantages for the organism. It can ensure reproduction in isolated or low-density populations, but it can also limit genetic diversity and increase the risk of inbreeding depression.
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What does Greenberg identify as being a terrible problem, and how do we fix it?
Answers
To answer the question need to watch this video:
https://youtu.be/_jaWs87t5UM
Answer:
The correct answer is - A large amount of sea life is being taken from the ocean to feed other creatures.
Explanation:
In this video, Greenberg found out that there is a terrible problem as using fishing on a large scale causing harm to marine life and resulting in the extinction or endangering of species on large scale or taken from the ocean to feed other creatures.
To correct this he talks about the overfishing problems He talks about preventing people from overfishing so many fish do not have to face problems of extinction.
What is the reason water has so many special properties?
Answers
Answer: Water has many unusual properties
Explanation: Water has many unusual properties because of its polar covalent bonds. Oxygen has a larger electronegativity than hydrogen, so the electron pairs are pulled in closer to the oxygen atom, giving it a partial negative charge. Subsequently, both of the hydrogen atoms take on a partial positive charge.
what was the key element of the proposed health care legislation adopted in 2010 that required all citizens to have health insurance
Answers
The key element of the proposed health care legislation adopted in 2010 that required all citizens to have health insurance is the individual mandate.
The individual mandate is a key provision of the Patient Protection and Affordable Care Act (PPACA) adopted in 2010, which requires all individuals who can afford to do so to obtain health insurance coverage or pay a penalty. This provision aimed to increase the number of individuals who have health insurance coverage, improve the overall health of the population, and decrease the costs of healthcare services. The Individual Mandate provision in the PPACA was eventually repealed in 2017 as a result of the Tax Cuts and Jobs Act.
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