Answer:
eutrophication
Explanation:
Eutrophication refers to a situation in which the aquatic environment becomes excessively enriched with nutrients. This leads to algal blooms in aquatic habitats such as lakes. These nutrients come from Fertilisers used in farming, which find their way into water bodies through run-off thereby increasing nutrient levels.
Excess nutrients causes phytoplankton to grow and reproduce at an alarming rate resulting in algal blooms. This bloom disrupts the balance in the ecosystem leading to many problems.
The algae may end up using all the oxygen in the water, causing oxygen shortage for aquatic life. Some of the algae may die, their decay may lead to further oxygen depletion. As oxygen is depleted, aquatic organisms may also begin to die.
Which is a function of the cell membrane? performs photosynthesis controls what enters and leaves the cell produces proteins provides energy to the cell
Answer: controls what enters and leaves the cell
Explanation: it is a barrier keeping the constituents of the cell in and unwanted substansces out and is also a gate allowing transport into the cell of essential nutirnts and movement from cell of waste products.
The cell membrane is also referred to as the plasma membrane or cytoplasmic membrane of the cell. It lays various functions in the cell.
The correct answer is:
Option B. controls what enters and leaves the cell
Role of the cell membrane are:
The cell membrane is a biological membrane, which separates the interior of the cell from the external environment. The cell membrane is selectively permeable such that it allows certain molecules to pass through them. The cell membrane controls the entry and exiting of molecules from the cell.
Thus, the correct answer is Option B.
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What is a factor of nutrient collapse?
Answer:
The nutrient collapse that atmosphere is change that food we eat and no is paying attention.
Explanation:
Nutrient collapse in the agriculture research it the mos important foods been getting nutrition less, they generally vegetables, fruits minerals and vitamin, protein content has to past.
The researching choosing crops for higher yields and nutrition and wheat to less nutrient,fruits and vegetables that form protein to calcium, iron and vitamin are varieties choosing to grow.
Atmosphere may be change and food we eat,and human needs a oxygen and they plants need a carbon dioxide, and the level the atmosphere is rising.
Carbon dioxide is the atmosphere in turn the contributes to the plant growth,and food production an quality of food is better.
Human nutrient linked through a quality of plants and affected the balance of nutrient in rice, crop and they people rely on, human chain need to measured and understood.
It simply not discussed to the agriculture and health public or nutrient communities.
A scientist wants to find the percent of teens that like the taste of "brand X"lemonade over "brand Y" lemonade. She conducts a taste test of
500 teenagers. She gives each teen a bottle of lemonade with the labels showing the brand of each lemonade. She asks each teenager to taste
each brand after drinking water in between. She finds that 50% of teens like brand X and 50% like brand Y lemonade. Why are the results
of the survey most likely unreliable?
a
Adults were not interviewed.
b
Not enough teens were interviewed.
с
The investigation was based on taste,
d
The lemonade labels introduced bias.
Answer:
c
Explanation:
beacuse the investigation was beacesd on taste
Lactose (milk sugar) is a carbohydrate that is formed by combining galactose and glucose. Which term best describes this molecule?
Answer:
disaccharide
Explanation:
A disaccharide is a form of sugar that is made up of the combination of two other sugar molecules that are simple. They possess the property to dissolve easily in water. The process that occurs to join the two simple sugars includes the removal of water from the molecules. Sucrose, lactose, and maltose are the three disaccharides.
Answer:
disaccharide
Explanation:
A disaccharide is a form of sugar that is made up of the combination of two other sugar molecules that are simple. They possess the property to dissolve easily in water. The process that occurs to join the two simple sugars includes the removal of water from the molecules. Sucrose, lactose, and maltose are the three disaccharides.
What alternate form of genes do nucleic acids have that allows them to offer variability?
Answer:
allales
Explanation:
an allele is the variant from a gene
Answer:
A. allales
Explanation:
Which is biotic?
O water
O temperature
beeswax
rocks
Beeswax because it is a livong thing
The biotic factor among the options given is beeswax, which is the third option, as the biotic factors are living or once-living organisms in an ecosystem that directly or indirectly affect other organisms.
What is a "biotic factor"?Biotic factors are living or once-living components of an ecosystem that have a direct or indirect effect on the survival, growth, and reproduction of other living organisms. Examples of biotic factors include plants, animals, fungi, bacteria, and other microorganisms that are part of the ecosystem. Beeswax, as mentioned, is a biotic factor because it is produced by living organisms, specifically bees. Beeswax is used by bees to build their hives or nests, which are important structures for their survival and reproduction.
Hence, the biotic factor among the options given is beeswax, which is the third option.
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The amount of matter something has is
Answer:
mass
Explanation:
mass is the amount of matter an object is made up off.
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The amount of matter a substance have is known as Mass. Mass is a fixed everywhere in the universe. Sometimes we get confused between Mass and weight, but we should remember that Weight is the force with which a body is attracted towards earth. And above is the definition of mass. It is measured by common balance.
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ASAP When ______ is hydrolyzed, it forms _______. A. protein, amino acids B. ATP, ADP C. polysaccharide, monosaccharide D. lipid, triglyceride
Answer:
The answer is ATP, ADP
Explanation:
When protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.
What is Hydrolysis?Hydrolysis may be defined as a chemical process that utilizes the molecules of water that involve the chemical breakdown of a compound.
Amino acids are the monomers of protein. These amino acids are linked together by peptide bonds. But the process of hydrolysis breaks the peptide bond between the amino acid sequences and released them significantly in free form.
Therefore, when protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.
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Given the gene sequence GGACCGTCGATCTTC, which of the following choices would
represent an inversion mutation?
A. CCACCGTCGATCTTC
B. GGACCG TCGATC TTC
C. GGACCGTCGATCCTT
D. GGAC TCGATC TTC
Answer:
I would go with A maybe,am not really sure though.
how can an objects volume be determined using water displacement ?
Answer:
Using a graduated cylinder.
Explanation:
By using a graduated cylinder we can determine the volume of liquids.
(1)Volume of liquid=10cm^3
(2)Volume of liquid after adding an irregular substance exceeds the first one by 20cm^3
(1)V+(2)V=(3)Vtotal
10cm^3+20cm^3=30cm^3
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ABO blood type is examined in a Taiwanese population, and allele frequencies are determined. In the population,
f (IA) = 0.30,
f(IB) = 0.15, and
f (i) = 0.55.
What are the frequencies of the various genotypes and various phenotypes in this population? Assume Hardy-Weinberg equilibrium.
Answer and Explanation:
Due to technical problems, you will find the answer and explanation in the attached file.
What is a peer review? Why is it important?
Answer:
Peer review involves subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication. A peer review helps the publisher decide whether a work should be accepted.
Which of the following pairs of plants are rhizomes?
A. Cocoyam and Cassava
B. Canna lily and ginger
C. Onion and Garlic
D. Banana and plantain
Answer:
B.
Explanation:
Examples of plants that are propagated this way include hops, asparagus, ginger, irises, lily of the valley, cannas, and sympodial orchids. Some rhizomes that are used directly in cooking include ginger, turmeric, galangal, fingerroot, and lotus.
Imagine that plaque uniformly coats the walls of the blood vessel in the diagram. Based on the diagram, what is the reduced area inside the blood vessel? Round your answer to the nearest tenth. The equation for the area of a circle is A = πr2, where A is area, π ≈ 3.14, and r is the radius. Recall that the radius is half of the diameter.
Hello. You forgot to put the image that complements this question.
The image is attached below:
Answer:
A = 38.465.
Explanation:
To arrive at the result you will have to perform a very simple calculation, using the fromula shown in the question above.
First, it will be necessary to find the diameter of the figure, to
therefore, you will have to divide, which will result in 3.5.
You can now replace the values in the formula: A = (3.14) (3.5) ² = (3.14) (12.25)= 38.465.
Answer:
12.56
Explanation:
When an enzymatic reaction is in progress, do you expect to see an increase, decrease or no change in each of following: (i) substrate (ii) product (iii) enzyme
Answer:
During Enzymatic reaction, enzymes binds to a substrate to form a which then forms the product.
Substrate: A reactant in an enzymatic or chemical reaction is called substrate. Product: The final outcome or substance after completion of reaction is called product.Enzyme: Enzyme helps to increase the rate of reaction and act as a catalyst.Change in shape of substrate, product and enzymes depends on the temperature outside the optimal range which affect bonding between enzyme and substrate. Enzymes definitely changes their size when bind to substrat and the process is called induced fit which increases the rate of reaction.
During an enzymatic reaction, their is an decrease in the concentration of substrate, an increase in the concentration of product, and no change in the concentration of the enzyme.
What is enzymatic reaction?A reaction, which is mediated with the help of an enzyme is termed as enzymatic reaction. A substance, which functions as a catalyst in living organisms and regulate the rate at which the chemical reactions takes place is known as an enzyme.
The enzymatic reactions follows the lock and key model, in which the free enzyme combines with the substrate and forms the enzyme-substrate complex, this is further catalyzed into the enzyme-product complex, from which the free enzyme and product get discharged. The product never further binds with the free enzyme.
In the reaction, the substrate get used up thus its concentration decreases, while the formation of product takes place thus its concentration increases. However, there is no change in the concentration of the enzyme as it does not get used up in the process.
Thus, in enzymatic reaction, substrate decreases, product increases, and enzyme concentration remains the same.
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A layer of cells called the endodermis surrounds the stele. Xylem is found towards the center of the stele and phloem towards the outside of the stele. 18) How does this compare to their arrangement in the stem? 19) The meristematic region is protected in the root by the presence of a root cap. How is the meristematic region protected in the stem tip? 20) In which of these regions would you expect to find the specialized cells of vascular tissue? 21) In which of these regions are the cells genetically identical? 22) Why?
Answer:
Epidermis layer is responsible for the protection of meristematic region.
Explanation:
Meristematic region is protected in the stem tip by epidermis which consist of dead layer of cells. Epidermis is the outer layer of stems, leaves, flowers and fruits which is responsible for the protection of inner part from damage. Vascular bundle such as phloem present near the boundary of the stem while the xylem is present in the inside of the stem. In the inside layer of the stem, all the xylem cells are genetically identical while the layer that is present at the edge of the stem is phloem in which all the cells are genetically identical to each other.
What is the function of the synapse? It allows information to go from one neuron to another through neurotransmitters. It allows the nerve impulse to travel within the neuron due to neurotransmitters. It allows the cell body to regulate the activities of the neuron. It allows faster transmission of information through the neuron.
Answer: It allows information to go from one neuron to another through neurotransmitters. :)
Explanation
INDEPENDENT, DEPENDENT, OR CONTROL?
You water three sunflower plants with salt water. Each plant receives a
different concentration of salt solution. A fourth plant receives pure water.
After a two-week period, the height is measured.
1. Is the height the independent variable or dependent variable?
2. What is the control group in this experiment?
Answer:
dependent variable
the control group is the fourth plant with pure water.
Explanation:
Which enzyme is used in gluconeogenesis, but NOT in glycolysis? Group of answer choices PEP carboxykinase enolase (interconverts 2-phosphoglycerate and phosphoenolpyruvate)
Answer:
PEP carboxykinase
Explanation:
PEP carboxykinase is also known as Phosphoenolpyruvate carboxykinase. It is an enzyme which is used for the production of glucose from non-carbohydrate carbon substrates. This enzyme is used only in gluconeogenesis not in glycolysis because this enzyme helps in the production of glucose while glycolysis is a process in which the glucose break down into pyruvate and ATP molecules.
Why are G proteins known as guanine nucleotide-binding protein?
Answer:
G proteins, also known as guanine nucleotide-binding proteins, are a family of proteins that act as molecular switches inside cells, and are involved in transmitting signals from a variety of stimuli outside a cell to its interior. ... G proteins belong to the larger group of enzymes called GTPases.
DNA is transcribed to messenger RNA (mRNA), and the mRNA is translated to proteins on the ribosomes. A sequence of three nucleotides on an mRNA molecule is called a codon. As you can see in the table, most codons specify a particular amino acid to be added to the growing protein chain. In addition, one codon (shown in blue) codes for the amino acid methionine and functions as a "start" signal. Three codons (shown in red) do not code for amino acids, but instead function as "stop" signals.
Sort the following ten codons into one of the three bins, according to whether they code for a start codon, an in-sequence amino acid, or a stop codon
AUG, UAG, UAA, UGA, AAA, UGC, AUC, CAC, GCA, ACU
Answer:
start codon - AUG
in-sequence amino acid - AAA, UGC, AUC, CAC, GCA, ACU
stop codon - UAA, UAG, UGA
Explanation:
From the amino acid chart, the start codon is represented by the codon AUG which also code for the amino acid methionine. There are three stop codons including UAA, UAG, and UGA. The stop codons signal the end of the translation process of the mRNA. Every other codon within the mRNA chain codes for different amino acids except methionine.
Hence, using the attached amino acid chart:
start codon - AUG
in-sequence amino acid - AAA, UGC, AUC, CAC, GCA, ACU
stop codon - UAA, UAG, UGA
In humans, insulin is manufactured in the pancreas, insulin is a peptide hormone that causes the body’s cells to take up glucose. The blueprint for the polypeptide chain that is insulin is found in the — of specialized pancreatic cells.
Answer:
In type 1 diabetes the immune system erroneously attacks the beta cells that produce insulin in your pancreas. It causes permanent damage, leaving your pancreas unable to produce insulin. Exactly what triggers the immune system to do that isn't clear. Genetic and environmental factors may play a role.
Explanation:
Nucleic acids
Composed of Carbon, Hydrogen, Oxygen, Nitrogen and phosphorous.
DNA
The universal code that stores genetic information in all organisms
Semi
conservative-Bases in original strand split and new nucleotides complementary base pair to form two new strands
Mutations
Any change to the DNA sequence
Gene mutation
Permanent change in the DNA sequence that makes up a gene.
Transcription
The process of copying a nucleotide sequence of DNA to form a complementary strand of mRNA
Translation
Process by which mRNA is decoded and proteins are made.
Codon
Three nucleotide bases
tRNA
Reads the codon on the mRNA using anticodons and the complimentary base pair rules and delivers the amino acids
What would be the replicated DNA strand for the following DNA sequence?...GCGTATG
CGCATATC
What would be the mRNA and tRNA be for the following DNA sequence?...AGGTTA
mRNA...UCCAAU. tRNA...AGGUUA.
The process of converting the genetic message from DNA into ____ is called transcription.
mRNA
How many amino acids are in the human body and what do we call the bond that holds them together?
20; Peptide bond
A single strand of DNA contains the following nine nucleotides in order ACTTATGGA. What sequence of bases will be present on the complementary strand of DNA?
TGAATACCT
In humans, insulin is manufactured in the pancreas. Insulin is a peptide hormone that causes the body's cells to take up glucose. The blueprint for the polypeptide chain that is insulin is found in the __________ of specialized pancreatic cells.
DNA
Given the sequence of DNA nucleotide bases TTAGCCTTG, give the complementary mRNA produced during transcription.
AATCGGAAC
Identify the correct sequence of molecules, as a gene goes from coded information in the nucleus, to the product the cell wants to make.
DNA...messenger RNA...transfer RNA...Protein
Why is DNA replication considered semiconservative?
Each half of the old DNA strand serves as a template for the new growing strand causing the copied DNA to half new and half old.
which word of the poem are an example of a simile
Answer:
I don't know what exactly you are asking so
A simile is comparing 2 thing using "like" or "as"
Example: Her cheeks were red as a rose
A paleontologist finds a relative complete skeleton but isn't sure if it is an ape fossil or a hominid fossil. Which of the following features would help distinguish between the two choices?
a. Position of the opening in the skull for the spinal cord
b. Design of the pelvis
c. Relative length of the hind limbs
d. Position of the eyes
Which philosopher believed that the soul operated on three levels: reason, will, and desire? A. Socrates B. Plato C. John Locke D. Hippocrates Please select the best answer from the choices provided A B C D
Answer:
B. Plato
Plato was known as a renowned philosopher in Athens, Greece. He believed that the soul operated on three levels which include Reason, Will and Desire.
Plato was of the notion that the soul was tripartite as a result of it having three levels of operation. He also believed that the soul can never die and will still be in operation and thought even after a person dies.
Answer:
Which philosopher believed that the soul operated on three levels: reason, will, and desire?
A. Socrates
B. Plato
C. John Locke
D. Hippocrates
How do animals survive along the deeper parts of the seafloor? A They feed at the surface. B They feed on each other. C They photosynthesize.
Answer:
They photosynthesize..
Explanation:
There are several ways deep ocean animals survive in such an enviournment..Food is scare in much of the deep sea, in parts because photosynthesis only thakes place at the ocean's surface where there's sunlight. Most animals cope with this by begin very small and meeding less to eat of by growoing very slow..
Answer:
the answer is They photosynthesize..
Explanation:
Watch the video and answer the question in 2 or 3 paragraphs. What are the main causes of air pollution? Discuss some effects of air pollution and provide possible solutions to this environmental issue. https://youtu.be/_dTtvtlct9k
Answer:
Explanation:
Exhaust from vehicles, factories, volcanoes and wildfires are the major causes of air pollution.
Effects of air pollution include many diseases. For example heart disease, lung disease, respiratory diseases etc... They also damage nerves, brain, kidney, lungs, heart etc...
Solution to air pollution:
We should replace the fossil fuels with natural energies like solar, wind, geothermal, hydro etc...
Waste water treatment
Dust control
Hope this helps
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Aquatic organisms in coastal areas face a variety of predators on land and in the water and air. Which ocean process exposes the coastal aquatic organisms to land-based predators? a. Changing wind patterns alter the ocean currents, changing tide levels. b. Daily tidal patterns leave areas exposed to the land for part of the day. c. The constant wave action generates nutrients that attract predators. d. The ocean conveyor belt raises and lowers the water levels on the coasts.
Answer:
b
Explanation:
The correct answer as to the ocean process that exposes the coastal organisms to land-based predators would be the daily tidal patterns that leave the coastal area exposed to the land for a part of the day.
Some parts of the coastal areas become exposed to land during certain periods of the day as a result of tidal waves. When this happens, the aquatic organisms occupying these coastal areas become temporarily exposed to land predators who hunt and kill them for food.
Therefore, the correct option is b.
Which area of the respiratory system is vascularized with the richest capillary network in the body?
Answer:
There are from 200-500 million alveoli (mean diameter = 200 micrometers) in adult human lungs
Explanation:
The epithelial cells of the alveolar septum are markedly thinned and the capillary network immediately beneath the epithelium is the richest in the body.hope this helps you :)
Answer:
The answer is alveoli
The root of mutualism, mutual,
means...
A. together.
B. alone.
C. only.
Answer:
A. Together.
Explanation:
The root word of mutualism, mutual means together or a thing that many people share.
For example:
Mutualist Symbiotic Relationship refers to a relationship in which organisms are benefited, in other words it is a win-win.
The relationship between the Egyptian plover bird and the crocodile, that is mutualist relationship.
When a meat or something (food) gets stuck in the teeth of the crocodile then the Egyptian plover bird takes it out (like a toothpick).
The crocodile gets benefited.
The bird also gets benefited (its gets its food)
Hope this helps ;) ❤❤❤
Answer:
together
Explanation:
Mutualism is defined as a relationship that benefits two organisms, or it is defined as a doctrine in sociology where mutual aid is beneficial to society and the individual. An example of mutualism is pollination which is when bees take nectar from flowers and then deposit the nectar on another flower.
