Answer: B the weight of the cattle compacts the soil
Explanation:
ecosystem related would mean that the answer relates to the land. this rules out A and D as they are related to profits off of the land and not necessarily the health/wellbeing of the physical land. C is also out-ruled as the price of the cattle is not a directly going to negatively effect the land.
The weight for the cattle is very relevant as cattle are very heavy and with regular walking/grazing/standing on the rangeland the soil will become harder (aka. compact) resulting in less loose soil for grass to grow.
This can be off set by allowing the land to rest or other means such as plowing occasionally so that it is easier for grass to continue to thrive for feeding the cattle.
Select two statements that describe the role of cytoplasm in maintaining homeostasis for the cell. a. cytoplasm aids in the movement of organelles. b. cytoplasm supports organelles in a gel-like fluid. c. cytoplasm aids in the repair of damaged cell parts. d. cytoplasm contains chloroplasts for photosynthesis. e. cytoplasm produces nutrients used by other organelles. f. cytoplasm controls what crosses into and out of the cell.
Cytoplasm aids in the movement of organelles and supports organelles in a gel-like fluid explains the role of cytoplasm in maintaining homeostasis for the cell.
The cytoplasm is the portion of a cell that lies between the nuclear membrane and the plasma membrane. It includes cytoskeleton and organelles in cytosol. Numerous cellular organelles reside in the cytoplasm of cells. Cytoplasm is a semifluid substance of the cell.so, as a result cytoplasm helps in movement of the organelles inside the cell.
The term "homeostasis" refers to the interior environment's preservation of almost constant circumstances. Every cell inside an organism is engaged in the ongoing struggle to maintain homeostasis. All cells including cell organelles , tissues and organs including cell membrane perform functions to maintain relatively constant conditions i .e Homeostasis.
So. The cytoplasm's function in preserving a cell's homeostasis is to give the organelles a favorable environment. Hence, supports organelles in gel-like fluid.
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a link is to a chain a monomer
A link is a chain, a monomer is a polymer bond or polymer chain. A monomer is a single unit of a polymer.
What is a polymer chain or polymer bond?A polymer chain is a chain of many monomers. When monomers joined together with bonds, they form polymers. Polymer bonds are bonds that contain energy in the stored form.
Covalent bonds joined monomers and form polymers. Polymers are the larger molecules. Monomers are a single and small units.
Therefore, a monomer is a polymer bond or polymer chain, just as a link is a chain. A polymer's monomer is its lone component.
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) protein kinases are enzymes that catalyze phosphorylation of target proteins at specific sites, whereas protein phosphatases catalyze removal of phosphate(s) from phosphorylated proteins. phosphorylation and dephosphorylation can function as an on-off switch for a protein's activity, most likely through
Phosphorylation and phosphorylation can function as an on-off switch for a protein's activity, most likely through the change in a protein's charge leading to a conformational change.
A molecular switch is created by the activities of phosphorylation and dephosphorylation. In contrast, when proto-oncogene tyrosine-protein kinase (c-Src) is dephosphorylated, it is turned off, preventing the regulation of cell growth. For example, protein kinase B is only activated by following wing phosphorylation of its Ser and Thr residues.
One of the first processes necessary for the coordination of cellular and organic functions, including the control of metabolism, proliferation, apoptosis, subcellular trafficking, inflammation, and other significant physiological processes, is protein phosphorylation.
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Complete question is: Protein kinases are enzymes that catalyze phosphorylation of target proteins at specific sites, whereas protein phosphatases catalyze removal of phosphate(s) from phosphorylated proteins. Phosphorylation and dephosphorylation can function as an on-off switch for a protein's activity, most likely through
Protein kinases are enzymes that catalyze phosphorylation of target proteins at specific sites, whereas protein phosphatases catalyze removal of phosphate(s) from phosphorylated proteins. Phosphorylation and dephosphorylation can function as an on-off switch for a protein's activity, most likely through?
NEED HELP IM BEING TIMED
Answer:C
Explanation:
Answer:
C
Explanation:
in step 3, he should've divide by -7 to find the value of x
Drag each label to the correct location on the image
The image below shows the process of DNA replication, Identify the components of the process.
DNA helicase
topoisomerase
lagging
strand
DNA polymerase Okazaki fragment RNA primase
original DNA
DANH LANA
primer
ADAWN
leading
strand
Reset
Next
HIDD
parent
DNA
DNA replication is semi-conservative and involves different enzymes in charge of unwinding the DNA molecule (topoisomerase), separating strands (helicase), creating primers (Primase), and adding complementary nucleotides (Polymerase). 1) DNA polymerase, 2) Topoisomerase, 3) Okazaki fragment, 4) DNA helicase, 5) RNA primase.
What is the DNA replication process?DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.
DNA Replication consists of the unwinding and opening of the double-stranded DNA molecule and producing two new molecules using these original strands.
DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one.
Initiation phase
Helicase and topoisomerase are the first enzymes involved.
Topoisomerase impedes the DNA double helix near the replication forks to get too coiled when the DNA is opening. This enzyme is necessary to release tension. Helicase works in the replication origin. It separates the original DNA molecule into two strands by breaking hydrogen bonds and separating the two original strands.Elongation phase
DNA polymerase, primase, and ligase act in this phase.
These enzymes are responsible for DNA elongation. They add nucleotides to the growing chain, from 3' to 5' extremes. The new chain grows in 5’-3’ direction.
Primase is in charge of synthesizing primers. Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment. DNA polymerase eliminate the primers and substitute them with DNA. This enzyme makes the new nucleotides enter the fork and pairs them with the corresponding nucleotide of the original strand.DNA ligase seals the gaps that remain after replacing the primers.DNA strands are antiparallel, and replication occurs only in 5'-3'direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.
The replication process results in two DNA molecules, each of them carrying an old strand and a new strand.
1) DNA polymerase
2) Topoisomerase
3) Okazaki fragment
4) DNA helicase
5) RNA primase
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Vaccination is a process of injecting a dead or weakened form of a pathogen into the body. How does this help strengthen the immune system?
Example: When you get the cold, your body inspects it. It realizes it hasn't seen that germ before, and responds by making special proteins to fight off the cold. This process isn't fast enough to stop the common cold, but it is fast enough to make you get well again.
Scenario: Next year, you get a vaccine for the stomach flu. You notice the doctor says to you that it injects the same germ into you. You ask why, and she responds that, "If we put this dead germ into you, then your body will recognize it. Just like it did when you got it last year. It will ahead of time make proteins to fight off the stomach flu. It will remember it forever." So when the stomach flu tries to sneak into your immune system, your body will already know how to fight it off-because the vaccine showed the body what the virus was, and what it was made of.
Apply: It's like a job interview. The vaccine is the person, presenting what they are and what they are capable of. The body is the boss, taking note of this. They will hire you--just like how the body lets it in. And turns out this job isn't for you. Similar to how the body will figure out the virus is foreign and bad. The boss will then know that people similar to you, wont work in this job field. Just like the body will make proteins and remember that that virus is bad.
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what is an expt in w/c extraneous variables have been controlled
Extraneous variables can threaten the internal validity of your study by providing alternative explanations for your results. In an experiment, you manipulate an independent variable to study its effects on a dependent variable.
When extraneous variables are uncontrolled, it’s hard to determine the exact effects of the independent variable on the dependent variable, because the effects of extraneous variables may mask them.
Controlling extraneous variables is an important aspect of experimental design. When you control an extraneous variable, you turn it into a control variable. Uncontrolled extraneous variables can also make it seem as though there is a true effect of the independent variable in an experiment when there’s actually none.
What is extraneous variables?
Any variable that you are not exploring in an experiment but that could potentially have an impact on the results of your research study is referred to as an extraneous variable.
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Explain how the shape of incisors helps them to carry out their function?
Answer:
Your eight incisor teeth are located in the front part of your mouth. You have four of them in your upper jaw and four in your lower jaw.
Incisors are shaped like small chisels. They have sharp edges that help you bite into food. Whenever you sink your teeth into something, such as an apple, you use your incisor teeth.
Incisors are usually the first set of teeth to erupt, appearing at about 6 months old. The adult set grows in between the ages of 6 and 8.
Answer:
Incisors have a tiny chisel-like form. They feature pointed edges that make it easier to bite into food. You use your incisor teeth whenever you bite down on anything, like an apple.
Explain how cancer cells differ from healthy cells
Answer:
Normal cells have normal DNA and a normal number of chromosomes. Cancer cells often have an abnormal number of chromosomes. Also, cancer cells stop growing when there's enough. But for Cancer cells there's uncontrollable growth
Explanation:
(I hope this helped you and sorry for my bad explanation wnglish is not my first language)
How many strong hurricanes were there a few decades ago
The growing of food is central to which type of society?
OA. An agrarian society
OB. A great society
OC. A functional society
OD. An industrial society
In an agrarian society, the growing of food may represent a central tissue and its economic growth largely depends on the primary matters (Option A).
What is an agrarian society?An agrarian society is based on the use of land to produce crops that may produce an excedent in order to generate richness, which is associated with a kind of economy that depends on primary products, i.e., plant crops. The progress of this society is based on the yields that are expected to produce benefits.
Therefore, we can conclude that agrarian societies are endurable when crop development and agriculture are sustainable (Option A).
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Which two organelles are most responsible for producing insulin in the pancreas?
Answer:The Endoplasmic Reticulum or the ER, and Ribosomes.
Explanation:
What systems or system is responsible for the tingling in our foot?
Is the PH response to a buffer more like that of water or the biological materials
Answer: Biological material
what is the scientific term for rocks formed from lava?
Answer:
Extrusive
Explanation:
Hope this helps
Answer: Igneous rocks
Scientists have developed antibiotics that destroy the cell walls of some cells. This medicine works really well on bacteria. Would it work well on viruses?
a . Yes, because viruses and bacteria both make people sick
b . No, because viruses only have plasma membranes
c. Yes, because viruses and bacteria have the same structure
d.No, because viruses are not made up of cells and lack a cell wall
Given the distribution of charges showr
in this water molecule, why is it called
"polar"?
Answer:
it is the polar bear because he swim bad
Which of the following describes the BEST method for keeping the endocrine system healthy?
A.
exercise regularly
B.
eat a healthy and balance diet
C.
manage stress
D.
all of the above
Please select the best answer from the choices provided.
A
B
C
D
Answer:
the answer is D
Explanation:
Took the quiz
Continued evidence supports lifestyle management techniques to improve blood glucose control. Directly aligning with the dietary guidelines, individuals with diabetes are encouraged to?.
Individuals with diabetes are encouraged to take note more importantly than the quantity of macronutrients, the quality of the dietary fats and carbs consumed.
It has been shown that diets high in whole grains, fruits, vegetables, legumes, nuts, moderate alcohol consumption, and low in refined grains, red/processed meats, and sugar-sweetened beverages improve glycemic control and blood lipids in diabetic patients while lowering the risk of developing the disease. Diabetic patients' blood glucose levels can be improved by dietary factors like a favorable energy balance and excessive adiposity, dietary fat quality and amount, carbohydrate quality and quantity, vitamin and mineral intake, and individual and group foods.
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the major defining characteristics of arthropods are: select all that apply. complex mouthparts. chitin. segmented bodies. metamorphosis. jointed appendages. trochophore larvae.
The major features defining characteristics of arthropods include:
Complex mouthpartsChitinJointed appendagesSegmented bodiesWhat are arthropods?Arthropods can be considered a special and broad taxonomic group of invertebrates animals that have an exoskeleton formed generally by a protein called chitin. In addition, arthropods are also characterized to have segmented bodies that may correspond to identical segments that may be different along their bodies.
Therefore, we can conclude that arthropods are animals that do not have an internal skeleton but instead an external exoskeleton mainly composed of chitin and also exhibit segments that may be repeated along their bodies.
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Which of the following items could you use to neutralize a base?
Soap
Baking soda
Lemon juice
Sea water
Answer:
Lemon Juice
Explanation:
In order to neutralize a base you would need a weak acid. Lemon juice is the only acidic substance.
4) The human body stores fats as
Adipose (fat) cells are specialized for the storage of energy in the form of triglycerides, but research in the last few decades has shown that fat cells also play a critical role in sensing and responding to changes in systemic energy balance.
Suppose that you are a scientist and you have been given a sample of unknown cells by looking at the cells under a microscope what would you be able to determine about the cells came from? explain your reasoning
If I were to look at the sample of the unknown cells under a microscope, I would be able to determine if the cells came from a plant or an animal by checking if the cells have a cell wall or not.
What is a cell?A cell is the smallest unit of life that is able to remain functional and live independently. A cell consists of a cytoplasm surrounded by a membrane. The cytoplasm contains various organelles that support life such as the nucleus, mitochondria and Golgi apparatus.
If one were to view a sample of unknown cells under a microscope, the best way to determine where it came from is to check if it has a cell wall or not. Cells with a cell wall are plant cells, and cells without a cell wall are animal cells.
The cell wall is a rigid structure found outside the cell membrane that provides additional chemical and mechanical protection for the cell. Animal cells have no cell walls, hence, are more flexible and take various shapes if viewed under a microscope.
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the cell cycle is a repeating sequence of events that leads to the duplication and division of a cell. place the stages of the cell cycle in the order of their occurrence, from the earliest stage of cell growth through the latest stage of cell division. you are currently in a ranking module. turn off browse mode or quick nav, tab to move, space or enter to pick up, tab to move items between bins, arrow keys to change the order of items, space or enter to drop. earliest latest
The stages of cell cycle from the earliest to latest stage are
G1 [Gap1] phaseS [synthesis] phaseG2 [Gap2] phaseMitotic phaseCell cycle are the series of events that involve cell growth and cell division by mitosis. A cell divides to produce two new daughter cells
The cycle is divided into two main phases; the interphase consisting of the G1, S AND G2 phases and the divison [mitotic] phase
In some cases, there may be addition of the [tex]G_{0}[/tex] phase for cells that does not usually divide
The cycle starts all over again with the newly produced cells except for cells that enters the [tex]G_{0}[/tex] phase
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Kate and Sam are using a scanning electron microscope to study photosynthesis in algae. Which is the benefit of this type of microscope compared to a light microscope?
Scanning electron microscope is better than light microscope to study photosynthesis in algae.
The light microscope is an instrument for visualizing great detail of an object. It does this by way of developing a magnified image via the use of a sequence of glass lenses, which first attention a beam of light onto or via an object, and convex lenses to increase the picture fashioned.
Light microscopy is used to make small structures and samples seen by way of supplying a magnified photo of the way they interact with visible light, e.g., their absorption, reflection and scattering.
Lenses form the picture goal lens gathers light from the specimen eyepiece transmits and magnifies the photo from the goal lens for your eye nosepiece rotating mount that holds many objective lenses tube holds the eyepiece on the proper distance from the goal lens and blocks out stray light.
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In eukaryotic organisms, genes usually consist of two alleles. The two alleles are often on different parts of the same chromosome.
These sentences contain incorrect information. Which option describes the mistake?
A: In eukaryotic organisms, the two alleles of the gene are on different chromosomes.
b: In eukaryotic organisms, genes are usually spread over four or more chromosomes.
c: In eukaryotic organisms, genes usually consist of a single allele.
, ,
d: In eukaryotic organisms, the two alleles of the gene are joined end to end on the same chromosome.
Answer:
[tex]\huge\underline\mathrm\purple{ANSWER}[/tex]
Because prokaryotes only have one chromosome, so they generally only have one allele for a particular gene. Many eukaryotes have 2 sets of chromosomes and thus 2 alleles of each gene, which may be the same or different.
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blackburn's lab altered the sequence of the telomerase rna. predict what might happen to telomeres in tetrahymena cells if the tetrahymena template rna were mutated to 3'-accccgac-5'.
The telomeres sequence would altered to 5-GGGCTG-3 if the tetrahymena template rna were mutated to 3'-accccgac-5'.
The biological underpinning for limitless proliferative capacity is nearly always provided by telomerase, an RNA-dependent DNA polymerase that creates telomeric DNA sequences. The chromosomal termini of vertebrates are extended with lengthy, repeating lengths of the straightforward telomeric DNA sequence [TTAGGG]n by the specialized DNA polymerase known as telomerase. DNA replication is hampered by the ends. Because one of the two new DNA strands at a replication fork is continuously made and is referred to as the leading strand, the DNA at the very end of the chromosome cannot be fully copied in each round of replication. This results in a slow, gradual shortening of the chromosome. Each Okazaki fragment starts with its own RNA primer, and the other strand is created in a large number of little pieces. The second strand, also known as the lagging strand, is formed in several tiny fragments known as Okazaki fragments, each of which starts with a unique RNA primer.
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Usage of synthetic hormones for the modification of plants growth have bay environmental implications
The hormones respond to increased sunlight competition by stimulating increased stem elongation. Increased competition may cause plants to devote more energy to growing stem elongation than expanding leaf area.
Fluctuations in nutrient availability drought heat or cold high salinity or pathogen pest attack. Plant growth regulators are substances that, when added in small amounts, alter plant growth, usually by stimulating or inhibiting some part of the natural growth regulation system.
Plant hormones are regulators of nearly all aspects of plant development and the plant's response to its environment. Many plant hormones are active at very low concentrations and have strict spatial regulation of synthesis and response. They play important roles in the interactions between plants and beneficial microorganisms.
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most climax communities are mature forests. what features of mature forest species, such as oak trees, make him, able to dominate and compete in the ecosystem
They are tall and big are the features of mature forest species, such as oak trees, that make him, able to dominate and compete in the ecosystem.
What is ecosystem?An ecosystem is made up of all living things and their physical environment (or ecological system). These biotic and abiotic components are linked through nutrition cycles and energy exchanges. Photosynthesis takes place. Animals are essential for the movement of matter and energy because they eat both plants and other animals for nourishment. They have an effect on the biomass levels of both plants and microbes. Decomposers are creatures that decompose dead organic matter, releasing carbon into the atmosphere and promoting nutrient cycling by converting nutrients stored in decomposing biomass into forms that are readily used by plants and microbes.
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2. Define the following terms and give two examples of each.
Monosaccharide-
Disaccharide-
Polysaccharide
The following terms and give two examples of each:
Monosaccharide- Glucose, and fructose.
Disaccharide- Sucrose, lactose.
Polysaccharide- Starch and hyaluronic acid.
Monosaccharides are carbohydrates made up of one sugar unit. Common examples of monosaccharides or monosaccharides are glucose and fructose. These two monosaccharides are called hexoses because they have six carbon atoms. The three main monosaccharides we consume are fructose galactose and glucose.
A disaccharide is a sugar formed when two monosaccharide monosaccharides are joined by a glycosidic bond. Like monosaccharides, disaccharides are water-soluble. Three common examples are sucrose lactose and maltose. Disaccharides are important sources of energy in the diet and are usually considered the three main compounds sucrose lactose, and maltose.
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