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Related Questions
Which of the following is a valid hypothesis for the trend shown on the graph? Evaluate the choices, and then explain why you selected the answer you did. Identify the criteria you used to select the answer, and describe how the other choices failed to meet your criteria.
a. as exercise becomes more difficult, the body relies more and more on lactic acid fermentation
b. exercise below a level of 100 watts does not require increased oxygen uptake
c. difficult exercise requires additional oxygen intake in order to generate extra ATP for muscle cells
d. the human body cannot maintain exercise levels above 500 watts
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During severe exercise, you need to consume more oxygen to produce more ATP for your muscles.
What is ATP?An organic substance called adenosine triphosphate (ATP) gives energy to a variety of biological functions in living cells, including muscular contraction, nerve impulse transmission, condensate dissolving, and chemical synthesis. ATP is frequently referred to as a "molecular unit of exchange in intracellular energy transfer and is present in all known forms of life. It either transforms into adenosine monophosphate (AMP) or adenosine diphosphate (ADP) when absorbed in metabolic activities (AMP). ATP is replenished by other processes. Every day, the human body recycles the equivalent amount of ATP to its own body weight. Additionally, it serves as a coenzyme and a precursor to DNA and RNA.
Therefore, the correct option is C
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Dehydration synthesis leads to WICH formation
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Answer:
Polymers...........
Explanation:
2. What were some of the problems plaguing America's cities at this time?
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Answer:
Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace.
Explanation:
We have that some of the problems of America's cities at this time are
The virus containment,Emission of Greenhouse gases and global warming.Issues faced by American citiesGenerally, America as every other country has its problems, from international treats to treaties, but there are major issues that need to be tackled and this comprises of problems such as containment, Emission of Greenhouse gases and global warming.
Therefore, some problems of America's cities at this time are
The virus containment,Emission of Greenhouse gases and global warming.For more information on America visit
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Which of the following is NOT an example of a biological model? (all answers choices 2nd slide)
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Answer:
pictures of different ecosystems
Explanation:
i got it right
if the temperature increases, then the dissolved oxygen level will _____________ because _______________
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Answer: Lower levels of dissolved oxygen
Explanation:
it lowers the level of dissolved oxygen causing the molecules are moving faster * do to matter*
Choose all the right answers. Which items are common features of most mammals? produce milk come in all sizes fertilized egg develops inside the body have fins eggs laid outside of body have scales some mammals live in water all have hair or fur
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Answer: Some mammals live in water all have hair or fur.
Explanation:
Body Mass Reduction
At the end of the countercurrent flow, Anthony's mass had decreased to reach the goal.
What caused the decrease in Anthony's mass?
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Answer: water is removed during dialysis therefore the excess water decreased his mass.
Explanation:
Answer:
water is removed during dialysis therefore the excess water decreased his mass.
Explanation:
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
What is the correct concept map showing the neural pathway of a sensory impulse from the forearm to the spinal cord?
1) Stimulus -> Dorsal ramus -> Spinal nerve -> Dorsal root ganglion -> Dorsal root ->
Posterior gray horn -> Somatic sensory
2) Stimulus -> Ventral ramus -> Spinal nerve -> Dorsal root ganglion -> Dorsal root ->
Posterior gray horn -> Somatic sensory
3) Stimulus -> Dorsal ramus -> Spinal nerve -> Vental root -> Anterior gray horn ->
Somatic motor
(HELP NEEDED ASAP. I REALLY APPRECIATE IT. THANK U SO MUCH)
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Answer:
The correct answer is (A). Stimulus travels as a nerve signal on a nerve fiber. EDIT: Answer B
Explanation:
Which types of energy transfer might occur in
a solar oven as it cooks a bowl of soup?
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Converting light energy to heat energy: Solar cookers concentrate sunlight onto a receiver such as a cooking pan. The interaction between the light energy and the receiver material converts light to heat and this is called conduction.
A sustainable energy source, solar energy is used in everyday activities like making power and cooking.
Utilizing solar energy has several benefits, including being a clean source of energy.
sustainable energy
Reliable
economic advantages
Electrical and chemical energy are not present in solar energy. Option 1 and 2 are thus incorrect.
The solar cooker cooks food using solar energy.
The solar cooker uses heat energy to cook meals by converting solar energy into heat energy.
Heat energy is not converted into chemical energy in sun cookers.
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Which statements accurately describe the characteristics of the cell membrane?
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Answer:
If this is the question on edge2020 the correct answers are:
-The cell membrane’s protein channels only let certain molecules pass through.
-The cell membrane has protein channels that are partly inside and partly outside the cell.
- The cell membrane is a double layer of phosphate molecules and lipids.
Explanation:
I HOPE THIS HELPS!!
In animals, what types of cells differentiate from the outer layer of cells?
a. Middle layer?
b. Inner layer?
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The example of ergot poisoning is included in the text for all the following reasons EXCEPT
ОА.
to show that pests Impact history.
ОВ.
to demonstrate how disease emerges when conditions are right.
O C.
to prove that the witchcraft trials were unfair and all involved were innocent.
OD
to illustrate the ways in which pests in agriculture can imnart human nonulation
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to prove that the witchcraft trials were unfair and all involved were innocent.
Yw :)
NAFTA was signed by Canada, the United States, and
A. Brazil
B. England
C. France
D. Mexico
Please select the best answer from the choices provided
HELP!! reply as soon as possible will make brainliest ty
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Answer:
d
Explanation:
where do land plants get the water that they use in photosynesis
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Answer:
Land plants get the water they use in photosynthesis from the soil through their roots.
Land plants obtain water for photosynthesis from the soil, which is absorbed through their roots and transported to the leaves through the xylem.
Land plants obtain water for photosynthesis primarily from the soil. The process involves a series of steps that enable water uptake and transportation within the plant. First, plant roots, equipped with root hairs, extend into the soil and absorb water through osmosis. This occurs because the concentration of dissolved substances, such as minerals, in the root cells is higher than that in the surrounding soil.
Water moves from the roots to the xylem, which is a specialized tissue responsible for transporting water and nutrients throughout the plant. This upward movement is facilitated by a combination of root pressure, capillary action, and most importantly, transpiration. Transpiration is the loss of water vapor from the plant's leaves through small openings called stomata. As water evaporates from the leaf surfaces, it creates a negative pressure gradient that pulls water up through the xylem from the roots.
Once water reaches the leaves, it is utilized during photosynthesis. The water molecules are split during the light-dependent reactions, releasing oxygen as a byproduct and providing electrons for the production of ATP and NADPH, which are essential for the light-independent reactions (Calvin cycle).
In summary, land plants rely on their roots to absorb water from the soil, which is subsequently transported through the xylem to the leaves where it is utilized in the process of photosynthesis.
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A gene carries the _________ for a trait.
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Answer:
A gene carries the information for a trait.
Explanation:
Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents. Each cell in the human body contains about 25,000 to 35,000 genes.
A gene carries the information for a trait.
What is gene?The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins. Many genes do not, however, code for proteins.
A few hundred DNA bases to more than 2 million bases make up a gene in a human. Humans are thought to have between 20,000 and 25,000 genes, according to the Human Genome Project, an international research project that aimed to decipher the human genome's sequence and catalog its genes.
Every gene is present in two copies, one from each parent, in every individual. The majority of a person's genes are the same in all persons, but a tiny fraction (less than 1% of the total) are slightly different.
Therefore, A gene carries the information for a trait.
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You and your friends are planning a hiking / camping trip to Denali National Park,
Alaska. Below is a topographic map that shows the mountain range in the park. The
wind usually blows in the direction the arrows are pointing. If you want to stay as dry
as possible (no precipitation), which site would be the better choice to set up camp?
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Answer: Site B
Explanation: I took the test。
help help help help help
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Which of the following statements describes holoplankton?
a. microscopic organisms that drift in both marine and freshwater environments and perform photosynthesis
b. amongst the largest types of seaweeds belonging to the brown algae family that grow primarily in shallow ocean waters, developing into vast underwater forests
c. one of the two main sub types of zooplankton which, unlike meroplankton, are permanent members of the zooplankton family
d. various kinds of trees and shrubs that grow in saline coastal sediment habitats in the tropics and subtropics
Answers
Haloplanktons from the statement above are one of the two main sub types of zooplankton which, unlike meroplankton, are permanent members of the zooplankton family
What are holoplanktons?Holoplanktons can be defined as organisms which live in the water column and cannot swim against a current for their entire life cycle.
Holoplanktons are one of the two major types of zooplankton that spend their entire lives as part of the plankton. Some examples of these have are:
KillsArrow wormsTherefore, holoplanktons are permanent members of the zooplankton family
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Answer: C one of the two main sub types of zooplankton which, unlike meroplankton, are permanent members of the zooplankton family
Explanation:
The bubbles used to measure the rate of photosynthesis in pondweed are full of which
gas?
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Answer:
Oxygen
Explanation:
If a solid were placed on the moon, would its density change?
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Answer:
no
Explanation:
Maximal transcription of the lac operon requires the presence of high levels of glucose the presence of high levels of glucose A the removal of the operator region of the operon the removal of the operator region of the operon B the presence of cyclic AMP and lactose the presence of cyclic AMP and lactose C the activation of the repressor protein
Answers
Answer:
B. the presence of cyclic AMP and lactose
Explanation:
Maximal transcription of the lac operon requires the presence of cyclic AMP and lactose. Cyclic AMP/CRP complex attached to a specific sequence in the lac control region. This region is known as the "CAP" site. Mutations that occurs in the CAP site prevent cyclic AMP-CRP binding which also prevent high levels of expression of the lac operon. The lac repressor and catabolite activator protein (CAP) are the two regulators that is responsible for turn on and off the operon in response to lactose and glucose levels.
studying the relationships between organisms and their life processes can help scientists gain a better understanding of the history of life on earth. which of the following best describes the relationship between protists and prokaryotes? A) Protists can photosynthesize, which evolutionary scientist believe suggests they evolved before prokaryotes.
B) Prokaryotes are less complex than protists, which evolutionary scientist believe suggests they have different genetic codes.
C) They are both unicellular, which evolutionary scientist believe suggests they share similar methods of reproduction.
D) They both undergo transcription and translation, which evolutionary scientist believe suggests they share a common origin.
Answers
Studying the relationships between organisms and their life processes can help scientists gain a better understanding of the history of life on Earth. They both undergo transcription and translation, which evolutionary scientist believe suggests they share a common origin- describes the relationship between protists and prokaryotes.
What is transcription?
A DNA segment is copied into RNA during transcription. Messenger RNA is created when specific DNA sequences are translated into RNA molecules that can encode proteins (mRNA). Non-coding RNAs are RNA molecules that contain copies of other DNA sequences (ncRNAs). Only 1% to 3% of all RNA samples are mRNA. A minimum of 80% of mammalian genomic DNA can be actively transcribed (in one or more types of cells), with the bulk of this 80% being ncRNA. In contrast, less than 2% of the human genome can be transcribed into mRNA (see Human genome Coding vs. noncoding DNA).
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A researcher who focuses on the interactions between organisms and their environments ecology.
What is the study of the relationship between living organisms?Biology's field of ecology focuses on the interactions between species and their environments as well as the links that exist between them.The study of the similarities and differences between the skeletal systems of various species is known as comparative anatomy. Homologous or comparable structures are two terms used to describe similar body parts. Both show that evolution has occurred.Living things rely on one another and the settings, or habitats, in which they are located to meet their basic needs. We refer to this as dependency. One approach to illustrate interdependence is through a food chain. A food chain demonstrates the flow of energy from one organism to another.Any contact or relationship between two biologically distinct species is referred to as symbiosis. The type of symbiosis that develops relies on whether one or both species gain an advantage from the partnership.To learn more about ecology refer to:
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write a letter to your uncle who is in abroad telling him u want to join vacation classes with ur friends but ur father is facing some financial problems so he can't afford so u need the help of your uncle who is in abroad
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Explanation:
Dear Uncle [Uncle's Name],
I hope this letter finds you in good health and high spirits. I have been meaning to share some news with you, and I believe your guidance and support can make a significant difference in my life.
As you know, the summer vacation is fast approaching, and my friends and I have been planning to join vacation classes together. It is an opportunity for us to learn and engage in activities that would enhance our skills and broaden our horizons. We are all excited about the prospect of spending quality time together while acquiring new knowledge.
However, I regret to inform you that my father is currently facing some financial difficulties. Due to unexpected circumstances, he is unable to afford the expenses associated with the vacation classes. It has been a challenging time for our family, and my father's priority is to ensure our basic needs are met.
In light of these circumstances, I am writing to you, dear uncle, with the hope that you may consider extending your support. Your assistance would mean the world to me and enable me to participate in these vacation classes alongside my friends. Your generosity has always been a pillar of strength for our family, and I am sincerely grateful for everything you have done for us.
Attending these classes would not only be a source of knowledge and skill development but also a chance for me to bond with my friends and create lasting memories. It would enhance my educational journey and contribute to my personal growth. I genuinely believe that this opportunity would be a valuable investment in my future.
I understand that everyone has their own financial responsibilities and commitments. Therefore, I completely respect any decision you make, and I am grateful for your consideration. If it is not feasible for you to provide financial assistance at this time, I completely understand, and I will continue to explore other alternatives.
Thank you, dear uncle, for taking the time to read my letter. I eagerly await your response and value your guidance and support. Regardless of the outcome, please know that your love and presence in our lives mean more to me than anything material.
Sending my warmest regards and affection to you and the family. Take care, and I hope to hear from you soon.
With heartfelt gratitude,
[Your Name]
Part A
In one paragraph, summarize the methods you researched. Mention their advantages and disadvantages.
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The first method used is biological restoration in which scientists try to increase the reproduction rate of the corals. The techniques vary depending on the reef.
In the scenario of an overgrowth of algae was affecting the growth of coral reefs in one area. So, scientists focused on controlling the algal growth. This method is less invasive than transplanting entire reefs into the ocean.
What is scientific method?The scientific method is described as an empirical method for acquiring knowledge that has characterized the development of science and involves careful observation, applying rigorous skepticism about what is observed, given that cognitive assumptions can distort how one interprets the observation.
In another scenario, a group of scientists took samples of corals' genomes to find out whether there are types of corals that are more likely to survive warmer temperatures. This method may allow scientists to plant heat resistant corals in high-risk areas. The drawback is the high cost and the time required for genetic testing.
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Which of the following is a shrub ?
(a) Tomato (b) Mint (c) Coconut (d) Lemon
Answers
Answer: Mint or Lemon (most likely mint)
Explanation:
Its not Coconut or Tomato
A hetero gous ail yellow plant is crossed with a homorygous short green. Show the genoype od phenotypes of the Fi offspring and the probability of each.
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The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.
The genotype and phenotype of the F1 offspringGenotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.
When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.
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Feedback interactions with the human bidy are important because
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Feedback interactions with the human body are essential because they play a crucial role in maintaining homeostasis, which refers to the body's ability to maintain a stable internal environment despite external changes.
These feedback mechanisms allow the body to detect and respond to deviations from normal conditions, ensuring that physiological processes remain balanced.
In the human body, feedback interactions typically involve a control system consisting of a sensor, a control center, and an effector. The sensor detects changes in the body's internal environment, such as temperature or hormone levels. The control center receives and processes the information from the sensor, determining the appropriate response. The effector then carries out the response, restoring or adjusting the body's conditions back to the desired set point.
Through feedback interactions, the body can regulate various processes, including body temperature, blood glucose levels, pH balance, heart rate, and hormone secretion, among others. These mechanisms enable the body to respond to internal and external stimuli, ensuring optimal functioning and promoting health.
Without feedback interactions, the body would be unable to detect and correct deviations, leading to imbalances and potentially harmful consequences. Feedback mechanisms are vital for maintaining the stability and overall well-being of the human body.
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which of the following is a carbon containing compound made by producers of an ecosystem?
A- nitrogen
B- carbon
C- carbohydrates
D- carbon dioxide
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The smooth ER helps build which biomolecules?
Answers
Answer:
read explanation
Explanation:
This makes sense because this portion of the endoplasmic reticulum builds lipids, or fats, rather than proteins, and thus doesn't need ribosomes. These lipids may include fatty acids, phospholipids and cholesterol molecules. if incorrect dont hate on me please