(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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During the postnatal stage, the various major systems in the body develop at Group of answer choices different rates, with the reproductive system reaching full development first, then the brain and other parts of the body. different rates, with the body reaching full size first, then the brain, teeth, and reproductive system developing later. different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. the same rate, with the brain, the reproductive system, and so on all coming to maturity at the same time.
During the postnatal stage, the various major systems in the body develop at different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. Thus, option "C" is correct.
What is postnatal stage?The postnatal stage-from infancy to childhood to the juvenile period to adolescence to adulthood-involves growth acceleration and deceleration. Childhood and adolescence are long events, in which adult behaviors are learned, individuals become completely mature, and the reproductive capacity develops.
Thus, option "C" is correct.
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Which of the
following is the
correct pairing of
the cell type to its
purpose?
A. parenchyma cell-thin cell wall, perform
metabolic functions, and make up most of
the plant
B. sclerenchyma cell-strong cell walls that
support the plant and allow it to bend
C. collenchyma cells-thick, hard cell walls to
make it tough like a seed coat
The statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant (option A).
What are the types of plant cells?Plant cells are of varying types and they perform different functions in the system.
The simple cell types that can be found in plants are as follows:
Parenchyma; the cellular tissue, typically soft and succulent, found chiefly in the softer parts of leaves, pulp of fruits. Collenchyma; living, elongated, mechanical and flexible ground tissue with angular pectin depositions; present just under leaves, tendrils and stems Sclerenchyma; mechanical ground tissue, impermeable to water, which consists of cells having narrow lumen and thick, mineralized walls of ligninFrom the above description, the statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant.
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What direction
does foul weather normally come from
Answer:
west
Explanation:
Select the correct answer from each drop-down menu. what type of population monitoring method will be best for monitoring the species listed? is an appropriate method to monitor a population of swallows, while is an appropriate method to monitor a population of tortoises.
The right approaches to population monitoring methods of swallows and tortoises are point counts and line-transect distance sampling, respectively.
For point counts, In order to collect the data required to meet the current study's objectives, one must use field techniques methods for selection, counting, capturing, observing, measuring, and marking individuals chosen from the targeted population.To count or keep track of the birds of the air, point counts are a frequent field technique (birds). The practice involves making observations over a predetermined, set amount of time and keeping track of the number of birds coming from a specific location.While the line-transect distance sampling methods in the field are useful for keeping track of the number of tortoises and is appropriate for controlling and tracking the population.learn more about population monitoring methods here: https://brainly.com/question/12682497
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The primary mirror in a reflecting telescope is a
plane mirror.
concave mirror.
convex mirror.
Answer:
B or concave mirror.
Explanation:
A ligamentous connection such as an antebrachial interosseous membrane is called a.
Answer:
syndesmosis
Explanation:
fibrous joint in which two adjacent bones are linked by a strong membrane or ligaments. This definition also applies for the distal tibiofibular syndesmosis, which is a syndesmotic joint formed by two bones and four ligaments.
During which phase of the cell is a cells DNA copied
Explanation:
Hi there!
Cell cycle has 2 phases (i.e M-phase and Inter-phase). Interphase is considered to be the longest phase. Interphase also has G1-phase, S-phase and G2-phase. In cell cycle while moving from M-phase it has two option either to go in G1-phase or G0 phase. It it goes to G0-phase it doesn't go under cell division but if it goes to G1-phase it starts to prepare materials required to replicate or copy DNA. After preparing all the material it goes in S-phase and copies DNA. It doesn't go to G2-phase until it copies DNA perfectly. Then it goes to G2-phase. In this phase it prepares material for replication of other cell organelles.
Therefore, DNA is copied in S-phase.
Hope it helps!
Answer:
S phase (Synthesis phase)
Explanation:
DNA is copied during interphase (S phase) before mitosis and just before meiosis. Mitosis is usually defined as the usual method of cell division, characterized typically by the resolving of the chromatin of the the nucleus into a threadlike form, which condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of two new cells resulting from the original cell. Meiosis is usually defined as part of the process of gamete formation, consisting of chromosome conjugation and two cell divisions, in the course of which the diploid chromosome number become reduced to the haploid (A single set of chromosomes). In human, mitosis produces diploid daughter cells which have the same number of chromosomes as the parent cell. Meiosis produces gametes (sperm or egg) which are haploid, meaning these cells have half the number of chromosomes as body cells such as skin cells. DNA is copies using a process called semiconservative replication.
More information:
What is DNA replication? What is its importance?A double-stranded DNA molecule is duplicated during DNA replication (by a variety of proteins) to create an identical double-stranded DNA molecule (so whereas the cell started with one copy, it ended up with two identical copies). Cell division would not be possible without DNA replication, hence it is crucial. In other words, either one cell would receive all the DNA while the other received none, preventing true cell division, or each cell would receive just half the DNA it requires, preventing the daughter cells from surviving (also leading to death of both daughter cells). DNA replication allows cells to replicate their whole set of DNA so that when they divide, each new cell has its own complete set of DNA. In theory, this allows for endless cell division.
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Drag the labels to the appropriate locations in this concept map.
Answer:
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Proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.
What are amino acids?Amino acids are defined as a chemical substances with functional groups from both amino and carboxylic acids. You need 20 of these molecules for your body to function properly because they are the building blocks of protein that are required by all living organisms. 11 of the essential amino acids are produced by your body.
Proteins are defined as a macro- and large-scale biomolecules that contain one or more long chains of residues from the amino acid. Proteins are composed of amino acid chains, which fold into recognizable three-dimensional structures. The bonds found inside protein molecules help to secure the final folded shapes of proteins, which are well-suited for their functions.
Thus, proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.
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The graph shows a population of rats in a forest habitat over a 10-year period.
The forest was a controlled environment, and no rats were allowed to enter or
leave the habitat.
Number of Rats (in thousands)
250
225
200
175
150
125
100
75
50
25
110
0+
30
2
3
76
45
Population
4
5
90
Year
200
100
6 7
30
29 27
8 9 10
Based on the graph, at which point is the death rate most likely greater than
the birthrate?
Answer:
100
Explanation:
there is a certain amount of food and resources to sustain a certain amount of individuals in a population. Since the individuals exceeds the amount of resources at 100,000 individuals you would usually see the death rate higher than birth rates to balance out the number of individuals to the number of resources so there is enough for all the individuals there.
b. A family of foxes arrived on the island after the rabbits were released. No
other factors on the island changed. Based on the graph, during what year did
the foxes most likely arrive? How did the arrival of the fox family impact the
carrying capacity of the rabbit population on this island? (3 points)
The carrying capacity is affected by dense dependent and dense independent factors. 1) During the fourth year. 2) Negative impact. K decreased from 200 to 100 rabbits.
What is carrying capacity?Carrying capacity -K- is the capability of the environment to support a growing population.
It is a constant that coincides with the population size at which natality and mortality rates are equal. This is the equilibrium point.
Commonly, environments have limited resources, and as the population grows, resources are consumed faster, leading to an increase in the competition rate.
Per capita growth rate decreases as population size, N, increases.
If the N < K, the population can still grow.
• When N approximates to K, the population's growth speed decreases.
• When N = K, the population reaches equilibrium,
• When N > K, the population must decrease in size because there are not enough resources to maintain that size.
The carrying capacity might be affected by limiting factors, which might be
density dependent (for example, competition, predation, etcetera) density independent. This last case refers to dense-independent factors, among which we can mention human impact or natural disasters (fires, volcanic eruption, flooding).In the exposed example, when referring to rabbit's carrying capacity, we can assume it is limmited by intraspecific competition and by predation.
Population size between the 1st and 2nd yearsAt first we can see that during the first two years, the number of rabbits increased until it was a little bit over 200 individuals.
Population size between the years 2, 3 and 4During the second, third, and fourth year, the number of rabbits was kept around 200 individuals, which leads us to assume that K = 200 rabbits.
Population size the fourth yearHowever, in the fourth year, there was a sharp decrease in the number of rabbits. Probably this event was due to the arrival of foxes (predators) on the island.
Population size after the fourth yearIn the presence of foxes, the number of rabbits varied around 100 (K = 100).
According to this information, we can assume that only intraspecific competition (related to resources) had a significant role during the first years.
But with the foxes' arrival, the rabbits' carrying capacity decreased from 200 to 100, meaning that, during the following years, predation strongly influenced the rabbits' carrying capacity.
1) During what year did the foxes most likely arrive?
During the fourth year
2) How did the arrival of the fox family impact the carrying capacity of the rabbit population on this island?
Foxes had a negative impact on the foxes' carrying capacity. It decreased from k = 200 to k = 100 since the foxes arrival to the island.
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which factor will mostly likely decrease biodiversity? complex population interactions introduced species increased energy availability narrower niches
The factor that mostly likely decrease biodiversity in a ecosystem is narrower niches because narrower niches does not give way for various organisms to inhabit .
What is biodiversity?Biodiversity refer to various or different kind of plants and animals present in the environment and their role in their habitat
Therefore, The factor that mostly likely decrease biodiversity is narrower niches
because narrower niches does not give way for various organisms to inhabit.
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When do we use a fluorescence microscope?
A fluorescence microscope is used when one wants to image specific features of small specimens such as microbes.
What is a fluorescence microscope?A microscope that uses fluorescence to form an image.
Fluorescence microscopy has wide applications due to its high sensitivity, specificity and simplicity. It can be applied to living cells and organisms.
Fluorescence microscopy is used to view the features of small specimens such as microorganisms.
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how do technology helped to support the theory of evolution?
An Rh negative mother has just given birth to an Rh positive baby after 18 hours of strenuous labor. Her rosette test was positive. Upon performing the Kleihauer-Betke stain procedure, the percentage of fetal cells is found to be 1.9%. The mother's total blood volume is 5,000 mL. What dose of Rh Ig (RhoGam) should be administered to the mother
The mother should have 4 vials of Rh Ig administered.
How to calculate the value?Rh immune globulin is used to help prevent an Rh-negative mother from becoming sensitized to the D antigen from an Rh-positive baby.
To calculate how many vials are needed, the following formula can be employed:
KB% x blood volume = volume of baby blood
In this case: 1.9% x 5,000mL = 95 mL baby blood in maternal circulation
95mL / 30 mL per Rh Ig vial = 3.17 vials
This equals 3 vials (after rounding), with the addition of 1 extra vial = the mother should have 4 vials of Rh Ig administered.
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Rocks and Minerals as Resources Lab Activity
Reflection Questions:
1. Describe the ways mining in the real world can affect society, ecosystems, and the environment of a specific region.
2. Using your answers to the question above, list the criteria you believe should be addressed by land reclamation. Prioritize your criteria by order of importance. Explain the order you selected for your criteria.
3. Complete reclamation of mined land is the solution you practiced in this cookie mining lab. What reasoning supports this solution as one that will provide the largest benefits and least costs to society and the environment?
4. Legislation requiring the reclamation of the land makes mining more expensive. How important is this constraint to achieving complete reclamation of mined land?
5. Were the minerals evenly distributed throughout the cookie mines? In the real world, how important is this constraint (distribution of mineral ore) to achieving complete reclamation of mined land?
6. Were you able to restore the land exactly as it was prior to mining? In your experience, would reclamation of mined land be able to restore and stabilize the natural system of the region?
Refining Design
1. How would you refine your mining techniques in this activity in order to maximize reclamation? Be sure to include proposed changes in costs, safety, and restoration of the area.
2. Predict how your refined mining techniques could affect the social and environmental stability of the region.
Mining is the birth of minerals and other geological accouterments of profitable value from deposits on the Earth.
Mining negatively affects the terrain by converting loss of biodiversity, soil corrosion, and impurity of face water, groundwater, and soil. Mining can also spark the conformation of holes. The leakage of chemicals from mining spots can also have mischievous goods on the health of the population living at or around the mining point.In some countries, hidden-trapping companies are anticipated to cleave to recuperation and environmental canons to ensure that the area hidden-trapped is ultimately converted back into its original state. still, violations of similar rules are relatively common.Loss Of Biodiversity
frequently, the worst goods of mining conditioning are observed after the mining process has desisted. The destruction or drastic revision of the pre-mined geography can have a disastrous impact on the biodiversity of that area. Mining leads to a massive niche loss for a diversity of foliage and fauna ranging from soil microorganisms to large mammals. Aboriginal species are most oppressively affected since indeed the fewest dislocations in their niche can affect extermination or put them at high threat of being wiped out. poisons released through mining can wipe out entire populations of sensitive species.legislation related to mining-
There are different kinds of legislation. The legislation that needs land to be restored after mining tends to make mining to be veritably precious as it does so through the duty of some rules and regulations for the hidden-trapping companies.Through this, it handles the responsibility of their land declination and takes back the land to its original form. This process is known to contribute to the fiscal counteraccusations of a company.Why is it important to take land after mining?
Mining is known to be an act that disturbs the land. A lot of mines now are been known to reclaim the face in the course and after mining is completed, and therefore they return the land for useful purposes.
Reclaimed mine lands are known to be veritably beautiful and useful to wildlife and mortal uses.
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ou are part of a research group that is attempting to improve on the beneficial genetic modification of golden rice, to further reduce global hunger issues. Which of the following difficulties will you likely encounter?
A. Greater difficulty growing the crops in harsh environments.
B. Allergic reactions to the rice from people who were previously unaffected.
C. More chemical pesticides would be needed to protect them.
D. Price of the rice would increase.
Price of the rice would increase difficulties will you likely encounter. Thus, the correct option is D.
What is golden rice?Golden rice gets its name from the beta-carotene that gives it its golden hue. Beta-carotene is not expressed in the endosperm of normal rice, Oryza sativa, the starchiest and largest component of the rice seed and often an off-white hue.
More the cheaper the rate more will be the consumption by people which leads to cut off from disease.
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The frequency of a wave does not change as it passes from one medium to another. What will most likely happen if a light wave moves from the air into a solid? The wavelength of the light wave will increase. The speed of the light wave will decrease. The wavelength of the light wave will remain the same. 0 The speed of the light wave will remain the same.
Answer:
I think the answer is B. The speed of the light wave will decrease.
Explanation:
Light waves travel fastest in empty spaces, and slowest in solids.
I hope this helps!
Answer:
B. The Speed Of The Lightwave Will Be Modified As It Enters Another Medium (State Of Matter)
Explanation:
Got it right on edge
What does viscosity describe
Answer:
If I fill the same cup with water, for example, the cup will drain much more quickly.
Explanation:
Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
What two organelles are included
in the endosymbiosis theory?
A. mitochondria and chloroplast
B. nucleus and ribosome
C. mitochondria and Golgi body
Answer:
mitochondria and Golgi body
Sickle cell is an example of what
Sickle cell is an example of an autosomal disorder.
What are autosomal disorders?They are diseases or abnormalities that are genetic in nature and whose alleles are located on non-sex chromosomes or autosomes.
Sickle cell is an autosomal recessive disease that is inherited by getting affected alleles from the two parents.
Autosomal disorders are different from sex-linked disorders. The alleles of sex-linked disorders are located on the sex chromosomes instead of autosomes.
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Metabolic pathways are typically redox processes. In photosynthesis, what molecule is oxidized and what molecule is reduced?.
Answer:
Glucose for the first one, good luck on the second
Explanation:
What are enzymes and how were they discovered?
Un-paraphrased (WILL BE DETECTED BY PLAGIRISM CHECKERS):
By the late 17th and early 18th centuries, the digestion of meat by stomach secretions and the conversion of starch to sugars by plant extracts and saliva were known but the mechanisms by which these occurred had not been identified. French chemist Anselme Payen was the first to discover an enzyme, diastase, in 1833.
Paraphrased (YOU ARE GOOD TO USE THIS, YOU WONT BE PLAGIRISED)
The digestion of meat by stomach secretions and the conversion of starch to sugars by plant extracts and saliva were known by the late 17th and early 18th centuries, but the mechanisms by which these occurred had not been identified. Anselme Payen, a French chemist, was the first to discover an enzyme, diastase, in 1833.
What two components are often found as part of an ezyme
Answer:
Apoenzyme and the co-factor are the two components of an enzyme.
Hope it helps!
What is adaptive radiation?
A. the evolution of two species from a single ancestor in a short amount of time
B. the evolution of many species from a single ancestor in a short amount of time
C. the evolution of many species from a single ancestor over a long period of time
D. the evolution of two species from a single ancestor over a long period of time
Answer:
C. The evolution of many species from a single ancestor over a long period of time
Anita thinks that she has heterozygous alleles for red hair. if she is correct, which of these diagrams best illustrates anita’s alleles for red hair? 2 chromosomes are labeled upper r and upper r. 2 chromosomes are labeled upper r and r. one chromosome is labeled upper r and another is unlabeled. 2 chromosomes are labeled r and r.
Answer:
R r One uppercase R and one lowercase r
Explanation:
Heterozygous means having two different alleles. Since R is the dominant it means she has red hair and is still heterozygous.
Answer:
2 chromosomes are labeled R and r
Heterozygous means different, so you need two different traits.
What is the triad of anaesthetics?
The Triad of anaesthetics as required in the task content are; Narcosis, Analgesia and Muscle relaxation.
What is the Triad of anaesthetics?The triad of anaesthetics as the name implies contains the stage of narcosis, analgesia and finally muscle relaxation and hence, acting on each one of the triad with selective drugs helps to avoid deep levels of central brain depression.
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Match the following terms and definitions.
1. an animal without a body cavity ----------------> acoelomate
2. development of an apparent head end of an animal--------->coelomate
3. flagellated cell lining the inside of a sponge------------> choanocyte
4. an animal with a fluid-filled body cavity that lies within the mesoderm
----------------- ectoderm
5. organisms that form by radial cleavage and develop an anus from the first indentation of the gastrula stage of embryonic development; includes echinoderms, chordates, and vertebrates ---------------->cephalization
6. "outer skin"; layer of cells that develop on the outside of the embryo -------------deuterostomes
Coelomates are, therefore, animals that have a cavity completely lined by mesoderm.
1. acoelomate
2 cephalization
3 choanocyte
4 coelomate
5 deuterstomes
6 ectoderm.
What are the characteristics of these animals?1. an animal without a body cavity: acoelomate
2. development of an apparent head of a :cephalization
3. flagellated cell that lines the inside of a sponge: choanocyte
4. an animal with a fluid-filled body cavity that lies within the mesoderm: coelomate animal
5. organisms that form by radial cleavage and develop an anus from the first indentation of the gastrula stage of embryonic development; includes echinoderms, chordates, and vertebrates: deuterostomes
6. "outer skin"; layer of cells that develop on the outside of the embryo:ectoderm
With this information, we can conclude that Coelomates are, therefore, animals that have a cavity completely lined by mesoderm.
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1) Acoelomate
2) Cephalization
3) Choanocyte
4) Coelomate
5) Deuterostomes
6) Ectoderm
Describe the process of ecological succession.
Answer:
Ecological Succession is the change in structure of species and community over time
Are humans likely affected by biomagnification? if so, which foods might be dangerous?
“Biomagnification or biological magnification is the process of accumulation of certain chemicals in living organisms to a concentration higher than that occurring in the inorganic, non-living environment.”
Human beings occupies the top place of most trophic level and we know that concentration of harmful chemicals increase as we go above the trophic level. Therefore human beings are most adversely affected by biological magnification.
Humans may also be affected due to the consumption of fish and shellfish.
help me to answer this
Answer:
Explanation:
No I don't think so because there are animals who live there and he shouldn't destroy their habitat
