Answers
Enzymes are biological catalysts* and enzymes are also a protein
Catalysts* are a substance that can speed up reactions
Related Questions
HELP!!!
Considering the origins and processes involved in how natural gas, petroleum, and coal formed, which of the following is the best explanation regarding
why these resources are referred to as fossil fuels?
Natural gas, petroleum, and coal were formed by breaking open rocks that contain fossils from millions of years ago.
Natural gas, petroleum, and coal were only formed during the Jurassic period when dinosaurs walked the Earth.
Natural gas, petroleum, and coal were formed when organic matter that has been buried deep in the Earth was subjected to heat and pressure
over millions of years.
Natural gas, petroleum, and coal were formed when elements came together to form planet Earth billions of years ago.
Answers
Answer:
The fossil fuels on Earth were formed well before the presence of dinosaurs, which is why they are called fossil fuels. Fossil fuels were formed in the Earth's crust out of dead organisms that lived hundreds of millions of years ago
Explanation:
Number 3 is ur answer :)
8.
How do animal and plant viruses acquire an envelope?
A.
They synthesise it.
B. From the culture growth medium
C.
D.
E. It is part of a wall of the bacterial cell.
From the nuclear membrane of the host cell
They take it from other viruses.
Answers
Cellular membranes in a process called budding animal and plant viruses acquire an envelope.
What is an envelop?
The cell membrane, cell wall, and outer membrane, if present, make up the cell envelope. Typically, prokaryotes like bacteria exhibit this envelope. It consists of a bacterium's cell wall and inner cell wall. The integrity of the cell's structure is provided by the cell envelope.
The cell wall, the cell membrane, and any outside membrane that may be present make up the cell envelope. The cytoplasmic membrane, cell wall, and capsule make up the cell envelope in Gram-positive bacteria with a single membrane.
The complex, dynamic, multilayered cell envelope serves to shield bacteria from their uncontrollable and frequently hostile surroundings. Most bacteria's cell walls can be divided into one of two categories.
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Even though the finches on the various Galapagos Islands require different biotic and abiotic factors for their survival, these finches would most likely be grouped in the same
a) kingdom, but found in different ecological niches
b) population, but found in different ecosystems
c) species, but found in different habitats
d) species and found in the same biosphere
Answers
Answer:
C
Explanation:
It is C because the question says they are all finches, they just need different habitats/living conditions
Finches are most likely to grouped in the same species, but found in different habitats.
They are well known for their remarkable diversity in beak form and function.Darwin postulated that beak of an ancestral species had adapted over time to equip the finches to acquire different food resources.Why are Darwin’s finches important?Species diverge in mate preference before genetic incompatibilities evolve.Different populations can function as biological species before they would be recognized as species solely in the basis of genetic distinctness.With the help of the finches Darwin solidify the idea of natural selection.To know more about Darwin finches here
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An alpine area of a national park near a trail is normally covered by plants, but much of the area is now bare soil. Park rangers suspect that trampling by hikers has killed the plants. Which of the following will best test the hypothesis?
Pilihan jawaban
Counting the number of hikers leaving the trail in comparison with the number of hikers leaving other trails
Counting the number of plants along the trail in comparison with the number of plants along other trails
Comparing the number of hikers this year to the number of hikers last year on various trails
Comparing plant survivorship in areas where hikers stay on the trail with plant survivorship in the area where hikers leave the trail
Comparing the ages, heights, and weights of hikers on different trails
Answers
Comparing plant survivorship in areas where hikers stay on the trail with plant survivorship in the area where hikers leave the trail is the best test of the hypothesis.
In the western Himalayas, the threshold over which trees can no longer be found varies according to height, aspect, slope, and other factors, but is often above 3600m. This is one of the most critical zones for creatures that live at high altitudes. The Kosciuszko National Park is bordered by the Alpine National Park, which spans from middle Gippsland to the New South Wales border. Some of Australia's most beautiful alpine scenery, including mountain peaks, escarpments, and grassy high plains, may be found within the park.
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In the snapdragon example, what third phenotype is expressed from the heterozygous genotype?
Red flowers
pink flowers
white flowers
Answers
Answer:
Pink flowers, a blending of red and white
The correct option (B) pink flowers.
How is the color of flower controlled?
In snapdragon the color of flower is controlled by incomplete dominance. The two alleles are red(R) and white(R'). The heterozygous genotype is expressed as pink.
What is phenotype?
Phenotype is the observable physical properties of an organisms.It includes the organisms appearance, development, and behavior.For example color of a flower, height of plant etc.What is genotype?
A gene or a set of gene responsible for a particular characteristics is called genotype.In detail it can used to refer to the alleles, or variant forms of a gene, that are carried by an organisms.Example of genotype is AA is a gene that is responsible for black color of hair.Why other options are incorrect?
Option (A) is incorrect because the RR genotype shows the red flowers.Option (C) is incorrect because the rr genotype shows the white flower.Learn more about incomplete dominance below,
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What are the two factors that may affect active site and enzyme function?
Answers
The first factor is temperature; normally, a reaction is sped up or slowed down depending on the temperature. The second factor is pH; each enzyme has a preferred pH range. these two factors affect the active site and enzyme function.
What is temperature?The average kinetic energy of a system is measured by its temperature. The kinetic energy of a system starts to rise as the particle's velocity increases, which raises the system's temperature. The energy that is transferred when two bodies with different surface temperatures come in touch is referred to as heat.
What are enzymes?Proteins called enzymes serve as biological catalysts by quickening chemical reactions. Substrates are the molecules that enzymes can interact with, and the enzyme changes the substrates into other molecules known as products.
What is the active site?The area of an enzyme where substrate molecules bind and undergo a chemical reaction is known as the active site. The amino acid residues that make up the active site are those that catalyze the reaction of the substrate and those that temporarily binds with the substrate.
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If a man with O blood marries a woman with AB blood, what is the chance that their child will be O blood? Please show a punnet square.
Answers
Answer:
I think its a 0% chance because
xA xB
xi Ai Bi
y A B
Explanation:
What are the 3 Mendel's laws explain each one?
Answers
Mendel's laws are the principles of inheritance that Gregor Mendel uncovered via his research with pea plants. The dominance law, the law of segregation, and the law of autonomous assortment were the three laws that Mendel presented.
According to the law of dominance, if a person possesses two different alleles for the same trait, one will be dominant and the other recessive. The recessive allele does not express itself in the phenotypic, whereas the dominant allele does.
The law of segregation: This law states that during the formation of gametes, the two alleles for a given gene separate from each other so that each gamete receives only one allele. This means that when the gametes unite at fertilization, only one allele from each parent is passed on to the offspring for a given gene.
The law of independent assortment: This law states that the inheritance of one trait does not affect the inheritance of another trait. In other words, the alleles for different traits are inherited independently of one another.
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Which of the following is a condition for which a person might take antianxiety drugs?Immersive Reader
(1 Point)
A.drowsiness
B.dizziness
C.alcohol withdrawal
D.schizophrenia
Answers
What is the correct statement about meiosis?
Answers
Meiosis typically results in genetic variation among the gametes produced
What is Meiosis?Meiosis is a type of cell division that results in the formation of haploid gametes (sex cells) from the diploid cells of the parent organism. This type of cell division is used by organisms such as plants and animals to create eggs and sperm. During meiosis, one round of DNA replication is followed by two rounds of cell division. This process helps to reduce the chromosome number by half, leading to the production of four haploid gametes. Each gamete contains only one set of chromosomes, so when they combine with another gamete during fertilization, the resulting zygote has the full set of chromosomes from the parent organism. Meiosis is an essential part of sexual reproduction, as the combination of gametes ensures genetic diversity.
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Choose the correct statement about meiosis.
A) The result of meiosis is a zygote
B) Only somatic cells undergo meiosis
C) Meiosis restores the original haploid condition of a population
D) Meiosis typically results in genetic variation among the gametes produced
E) The products of meiosis are always four cells identical to the parent cell
Once pyruvate is produced in glycolysis, the cell has two choices, without oxygen which option does it NOT have? A. Oxidative phosphorylation C. Anaerobic respiration B. Alcoholic fermentation D. Lactic acid fermentation
Answers
Once pyruvate is produced in glycolysis, cell has two choices, without oxygen, option that it does not have: A.) Oxidative phosphorylation. It is the final stage of aerobic cellular respiration.
What happens to pyruvate after glycolysis without oxygen?When oxygen is not present, pyruvate undergoes a process called fermentation. In the process of fermentation, NADH + H+ from glycolysis will be recycled back to NAD+ so that glycolysis can continue. In the glycolysis, NAD+ is reduced to form NADH + H+.
If insufficient oxygen is available, acid is broken down anaerobically, producing lactate in animals and ethanol in plants and microorganisms.
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I
|
1. What is the mRNA strand that would be copied from this DNA strand?
GGC TAT ATC CTG CGCTAT ACG CIA
Answers
CCG AUA UAG GAC GCGAUA UGC G?U
?=there is no such thing as an I in a DNA strand.
C= G
G= C
A=U
T= A
Hope this helps
How does Hardin’s example of the herdsman and his mathematical justification (nearly +1 and fraction of -1) embody the tragedy of the commons?
Answers
Garrett Hardin used the expression for the first time in a 1968 Science article.
The Tragedy of theere is Commons' core claim is that when something is owned by a collective (rather than a single person), its overall sustainability may suffer since th no single entity that is legally in control of or responsible for it. This argument states that people frequently make decisions that advance their own interests, regardless of how those decisions could affect other people. Garrett James Hardin is an environmental expert from the United States. He wrote an essay with the same title that was published in Science in 1968, and after reading it, he decided to devote the remainder of his life to researching human behaviour.
Any attempt to control nature will result in a variety of consequences, many of which are unexpected. Several websites have referred to Garrett as a white nationalist because of his violently anti-immigrant attitudes, eugenics beliefs, and views on multiethnicity. The Southern Poverty Law Center characterised his writings as "frank in their bigotry and quasi-fascist ethnonationalism."
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The growth of the human population directly relates to the
use of natural resources by humans.
Growth of Human Population over History
Based on the graph, which two statements about human use of natural
resources are most likely true?
Answers
Answer:
C
Explanation:
The mature germ cell, either sperm (male) or ovum (female) is called a(n):
A. gamete B. zygote C. embryo D. fetus
Answers
A gamete is a component of a growing gamete, like an ovum or sperm. Ovulation is the process through which an ovary expels a fully developed ovum.
What does the name of the female gamete mean?Both male and female blastocysts in animals are referred to as sperm and ova, respectively. Because each sperm and ova cell has one set of chromosomes, they are haploid cells. When a sperm as well as an ovum combine during fertilization, a new diploid creature is created.
Which stage of pregnancy is ideal?When an egg leaves the ovaries after ovulation, which typically occurs twelve to fourteen days before the onset of your next period, you are at your most fertile. Your chances of becoming pregnant are all at their highest at this time of year.
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PLEASEEEEEEE HELP GUYS THIS MY FIRST BTOLOGY CLASS!! 2
Answers
The equation of line when a line passes through a point (-2, 7) and have slope 5, is y = 5x + 17> The blank words are slope, point, b in order.
What is a slope?In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction
Given:
Slope m = 5
And point (-2, 7)
Slope-intercept form: y = mx + b
If a line passes through a point (x₁ ,y₁) and have slope m
then the equation of line is
y - y₁ = m (x - x₁)
Substituting the values,
y - 7 = 5(x + 2)
Simplifying,
y = 5x + 17
Therefore, the equation is y = 5x + 17.
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What are 5 things bacteria need to survive?
Answers
The five things which bacteria need in order to survive are nutrition, temperature, acidity, oxygen and moisture.
Bacteria are single-celled microorganisms that are able to survive in a number of different conditions. Bacteria are mostly found almost everywhere in the environment.
Bacteria need basic conditions to survive which are nutrition, temperature, acidity, oxygen and moisture. Nutrition helps in bacteria to grow and provides energy.
Different bacterial types need different temperatures in order to grow. Most of the bacteria survive in low acidic or in neutral environments but also a lot of bacterial types which can survive in a wide spectrum of pH. Some bacteria do not require oxygen while some type of bacteria require oxygen in order to grow. Moisture also happens to boost bacterial growth.
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Caribou live near the North Pole. During the winter,
caribou use their hooves to scrape away snow to
get at the small plants they eat. There are very few
trees in the biome where caribou live.
In which biome do caribou live?
A. Temperate forest
B. Savanna
C. Tundra
D. Chaparral
Answers
Answer:c
Explanation:
What is ATP and ADP?
Answers
Answer:
Adenosine diphosphate
Chemical compound Adenosine diphosphate, also known as adenosine pyrophosphate, is an important organic compound in metabolism and is essential to the flow of energy in living cells.
Answer:
ATP (Adenosine tri-phosphate) is an important molecule found in all living things. Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate.
Explanation:
Seeds are important to the reproduction of many kinds of plants. Some seeds, especially those dispersed by animals, are enclosed in a sweet, fleshy fruit. How would damage to the vascular tissue leading to a developing fruit affect the fruit?
A.Water loss from the fruit would happen at an increased rate.
B.The number of seeds enclosed in the fruit would decrease.
C.The amount of water and sugar stored in the fruit would decrease.
D.The raw materials needed for photosynthesis would not reach the fruit.
Answers
Damage to the vascular tissue leading to a developing fruit affect the fruit because the raw materials needed for photosynthesis would not reach the fruit, option D.
What is the function of vascular tissues in plants?Vascular tissues are complex conducting tissues in higher plants made up of various cell and element types. Xylem and Phloem are the two main components of plant vascular tissue. These tissues are in charge of transporting water and nutrients in plants.
Damaged vascular tissue may cause the fruit to develop incompletely or not at all. When vascular tissues like xylem and phloem are damaged, the fruit does not fully develop because the food produced in the leaves does not reach the seed.
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Which hypersensitivity reaction is antibody-dependent and includes the immediate cytotoxic response seen in maternal-fetal Rh incompatibility or mismatched blood transfusion
Answers
When antibodies are involved in an immune response, it's known as a type II hypersensitivity reaction (IgG or IgM) are directed against extracellular matrix antigens and cause cellular death, functional loss, or tissue damage.
When IgG or IgM antibodies bind to an antigen on the surface of a cell, other immune cells and complements attack the antigen, causing the cell to be destroyed. This is known as a type II, or cytotoxic, hypersensitivity reaction. During the transmission of incompatible maternal antibodies to foetal red blood cellular, a condition known as erythroblastosis fetalis, which results in hemolytic anaemia in the foetus, complement-dependent type II hypersensitivity can also happen.
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Identify the organ systems in your body that need to work together when dancing, eating bread, writing on a piece of paper.
Answers
Answer:
Muscular system, nervous system, skeletal system
Digestive system, blood circulatory system, respiratory system
Nervous system, muscular system, skeletal system
1-Muscular system: The muscles in the body need to work together to produce the movements and poses associated with dancing.
2-Skeletal system: The bones in the body provide the structure and support needed for dancing, allowing the body to move and perform various positions and movements.
3-Cardiovascular system: The heart and blood vessels in the body need to work together to pump oxygen-rich blood to the muscles being used in dancing, providing the energy needed for movement.
4-Nervous system: The nerves in the body help to coordinate and control the movements of the muscles and other organ systems during dancing.
When eating bread, the following organ systems in the body need to work together:
1-Digestive system: The digestive system is responsible for breaking down the bread into smaller molecules that can be absorbed and used by the body for energy. This process involves the mouth, teeth, esophagus, stomach, small intestine, and large intestine.
2-Cardiovascular system: The heart and blood vessels help to transport nutrients and oxygen to the cells of the body, providing the energy needed to power the processes of digestion and metabolism.
3-Muscular system: The muscles in the body, particularly those in the mouth and throat, are used to chew and swallow the bread.
When writing on a piece of paper, the following organ systems in the body need to work together:
1-Muscular system: The muscles in the hands, arms, and shoulders are used to hold and control the writing implement, and to make the movements needed to write on the paper.
2-Skeletal system: The bones in the hands, arms, and shoulders provide the structure and support needed to hold and move the writing implement, and to maintain proper posture while writing.
3-Nervous system: The nerves in the body help to coordinate and control the movements of the muscles, allowing the person to write with precision and control.
4-Cardiovascular system: The heart and blood vessels help to transport oxygen and nutrients to the cells of the body, providing the energy needed to power the processes of muscle movement and coordination
is cell wall or cell membrane is living organle
Answers
Answer:
membrane i had this question a few days ago
Explanation:
Why is a male progeny with a calico coat so rare?
Answers
For a male cat to have the calico pattern, the cat must have three sex chromosomes. Two X's and one Y's. This phenomenon can occur in both humans and animals, and in both cases is known as Klinefelter's syndrome.
The calico fur pattern is predominantly white, with other her two colored spots. Also, since a cat's coat color is linked to her X chromosome in her cells, calico cats rarely become male. Male cells acquire only one X chromosome. That is, males usually only have one color. Out of 3,000 calico cats born, only one is male. These cats are so rare that they are often referred to as feline "unicorns."
There is no locus for orange on the Y chromosome, so a normal XY male of his cannot have both orange and non-orange genes, usually resulting in tortoiseshell or calico .
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In the ________ temperature scale, water freezes at 0° and boils at 100°.
Celsius
Kelvin
Fahrenheit
Answers
Answer:
Celsius is the correct answerA large vein that opens into the right atrium and bring venous blood from the heart tissue is the ________.
Answers
The coronary sinus describes a major coronary vein located in the rear section of the heart
What is rate of change of position at a specific point in time?
Answers
Answer:
instantaneous speed. the rate of change in position at a given point in time. velocity. the speed of an object and the direction of its motion.
Ligaments ere very strong but resistant to stretch Which protein fiber probably predominates?
a. Collagen b. Elastic c. Reticular d. Adipose
Answers
Ligaments are extremely strong but not stretchable. Most likely, collagen protein fiber is predominant.
Which of the aforementioned structures resists stretching?The primary structural element of connective tissue, collagens withstand tensile or stretching stresses. There are about 40 different forms of collagens, but four of them are the most prevalent.
What distinguishes the holocrine gland from the merocrine and apocrine secretions?Products are produced and then secreted by merocrine glands. Apocrine gland cells store its fluids until they rupture and discharge their contents, whereas apocrine gland cells release secretions by clamping off the apex region of the cell. In this instance, the cell joins the secretion.
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in what tissues, cells and organ does ependymoma first start
Answers
It begins in the spinal cord or brain
Synthesize In your own words, explain the effect of sea otters on kelp forests, and what
Estes's findings suggest about managing predator-pray relationships in local environments.
Answers
A kelp forest can be safeguarded by the presence of sea otters. They consume a lot of sea urchins, which controls their population and keeps the kelp forest from being destroyed. One of the foundational species of the coastal ecology is the sea otter.
What Are sea otters?Marine animals known as sea otters (Enhydra lutris) live along the coasts of the Aleutian Islands and North America's mainland up to Mexico.. Fish, sea urchins, mollusks, and crustaceans make up the majority of sea otters' diets. Sea otters are keystone species is one that has a significant, calming effect on the entire ecological community.
Sea otters are a keystone species that keeps kelp forest ecosystems in a healthy balance in addition to regulating populations of ravenous kelp grazers.To prevent floating away in the churning sea while they sleep, sea otters prefer to anchor in kelp or large seaweed. To keep each other company, they share this quality. They stick within the group as a result to keep from vanishing into the distance.It's thought that sea otters contributed to the preservation of kelp forests. This reduces the degradation of the kelp forest and helps control the population in addition to eating a lot of sea urchins. A keystone species, sea otters are crucial to the ecosystem of the coastal region.Sea otters, a form of plankton, can put pressure on sea urchins by consuming and grazing on them. Because sea urchins are grazers of kelp and are a species of plankton, sea otters can consume them and graze on them. As kelp is subjected to less grazing pressure due to the decreased urchin density, kelp forests can grow in the presence of sea otters.Kelp forestsA versatile sea vegetable, kelp can be eaten raw, cooked, or as a component of several supplements. Sushi, salads, sauces, and other dishes must all have kelp. Particularly sea otters are essential to the health of kelp forests, which are essential to the health of the bay. Sea urchins, which may completely devastate kelp beds without them, instead eat the stripes of huge kelp plants, which are not consumed by sea otters.
The Significance Of Sea Otters In Alaska’s Kelp ForestsSea otters play a key part in the kelp forests around the coast of Alaska. More than 20 distinct species of fish live in kelp forests, which also serve as spawning and breeding grounds for herring, atka mackerel, and salmon fry nurseries. Sea otters contribute to the energy flow between the ocean and kelp forest. Sea otters feed on kelp forests because they are dense, which opens up the canopy to let sunlight reach the floor and feed herbivores. Because sea otters graze on urchins, a primary pest in kelp forests, the urchin population is impacted, which harms the canopy of kelp forests.
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