Answer:
Respiratory alkalosis results from excessive ventilation (hyperventilation). In respiratory alkalosis, Pco2 falls, leading to an increase in pH (alkalosis). If the alkalosis persists for more than 12 hours, the alkalosis may be partially compensated by decreased renal H+ excretion. During respiratory alkalosis, HCO3− may fall acutely owing to equilibration with depleted CO2. There is a 2 mEq/L decrease in HCO3− per 10 mm Hg decrease Pco2 that is chemical and not part of the renal compensation. Common causes of respiratory alkalosis include hyperventilation from voluntary effort (anxiety) or stimulation of central respiratory centers secondary to meningitis or a fever.
Explanation:
How is the instructions for your traits carried on a DNA molecule?
Sequence of the nitrogen bases
In the bond between the phosphate and the sugar
O In the Deoxyribose Sugar
O In the phosphate group
Sequence of the nitrogen bases
which of the following best describes a frameshift mutation. A. When a segment of nitrogen bases gets added into a strand of DNA. B. When a segment of nitrogen bases gets removed from a strand of DNA. C. When a segment of a chromosome gets removed. D. Both A and B.
Data collected from part of a population is a _______.
Answer:
Census
Explanation:
A census is a study that obtains data from every member of a population. In most studies, a census is not practical, because of the cost and/or time required.
Hope this helps!!!
What adaptations do trees have in the rainforest?
Question 7 options:
deep roots that do not spread out over a great distance
deep roots and spread their roots out over a great distance
short roots that do not spread out over a great distance.
short roots and spread their roots out over a great distance
Answer:
the answer is c
Explanation:
i took the quiz and got it right
The adaptations trees have in the rainforest are short roots that do not spread out over a great distance.
How are adaptations necessary in ecology?All organisms need to adapt to their habitat to be able to survive. This means acclimating to be able to survive the climatic conditions of the ecosystem, predators, and other species that contend for the same food and space.
Thus, the correct option is "C".
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Which units are used in a pyramid of biomass?
A Individuals
B. g C/m2
C. m/s2
D. Klocalories
Answer:
g/m2 is the unit used in a pyramid of biomass. Kilocalories is Unit of measure for energy pyramids
Question 5 (2 points)
The moon
around the Earth due to its speed of motion and the pull of
Word Bank:
magnetism revolves
rotates
gravity
Blank 1:
Blank 2:
Submit
Answer: blank 1: rotates
blank 2: gravity
Explanation:
Study the following statements, which compare the method of fermentation preferred by yeasts to they type of fermentation that may occur in human muscle cells. i. Yeasts produce CO2 during fermentation, but human muscle cells do not. ii. Different metabolic end products result from the two types of fermentation. iii. Yeasts produce more ATP per glucose in their fermentation than do human muscle cells. Choose the correct answer from below.
Answer:
Only one of the three statement is true; and that is,
(ii.) Different metabolic end products result from the two types of fermentation
Explanation:
Fermentation is the process by which organic molecules such as glucose are broken down into smaller molecules to extract energy as ATP in the absence of oxygen.
Fermentation is carried out by many organisms including man.
In man, fermentation occurs in very active skeletal muscles such as in an athlete running. It involves the reduction of pyruvate produced from the glycolytic pathway to lactate in the muscles. The net yield of ATP from glucose breakdown to produce lactate is 2 ATP molecules.
In microorganisms such as yeast, the fermentation product of py ruvate derived from glycolysis is ethanol and carbon dioxide, CO₂. The net ATP yield in fermentation of glucose in yeast cells is also 2 ATP molecules.
From the options provided in the questions, the correct option is:
Only one of the three statement is true and that is that, ii. Different metabolic end products result from the two types of fermentation.
The heart is important for transporting oxygen to the muscles when we exercise. How does the heart rate change when we go from sitting on a chair to running up the stairs?
A. The heart rate stops.
B. The heart rate gets slower.
C. The heart rate gets faster.
D. The heart rate stays the same.
Answer: C. The heart rate gets faster.
Explanation:
its true also give brainliest
The heart rate gets faster
Explanation:
C. Because when you are sitting your heart rate is chill put if you're moving really fast that means your heart rate is going up because you have to deep breaths over and over when you stop running.
Please Help!! Due soon! I need this grade
What are ancestral traits?
What is a derived trait?
Explain how organisms are placed in a cladogram.
How do genetic connections help to organize species?
What are some disadvantages of using genetics for categorization?
What is a virus?
How are viruses categorized?
List and describe the four main viral shapes.
1.
2.
3.
4.
Describe a lytic infection.
What is a lysogenic infection?
What are the steps of a lytic infection?
What are the steps of a lysogenic infection?
How are viruses used in gene therapy?
What is the main difference between bacteria and virus?
Answer:
1. An evolutionary trait that is homologous within groups of organisms (see homology) that are all descended from a common ancestor
2. Derived traits are those that just appeared (by mutation) in the most recent ancestor -- the one that gave rise to a newly formed branch.
3. A cladogram uses lines that branch off in different directions ending at a clade, a group of organisms with a last common ancestor.
4. It helps us to form a cognitive framework of understanding complexity.
5 Because it is a learned trait. For some domains, like Bacteria and Archeabacteria, DNA is transferrable
6. A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.
7 Polyhedral, Helical, Complex, Spherical
8. Sometimes referred to as temperate or non-virulent infection, does not kill the host cell, instead using it as a refuge.
Explanation:
Hope that helps sorry I could not get all of it done, but I am busy doing my school work
Compare the reproduction in Hydra and Amoeba?
Answer:
Hydra:
Reproduction by budding in Hydra.
Amoeba:
Reproduction by binary fission in Amoeba.
Hydra:
Budding means sexual reproduction in which a new organism develops from a bud in the parent.
Amoeba:
Binary fission is the type of asexual reproduction in which the parent divides to give rise to two daughter organisms.
Hydra:
In budding process, bud is simply an outgrowth of cells at one particular site.
Amoeba:
The parent replicates its genetic material and divides it equally between the two daughters in binary fission.
Hydra:
The bud or the newly formed organism remains attached to its parent until maturation.
Amoeba:
Both the cytoplasm and the nucleus of the parent divides into two.
how is zero, oxidation numbers, and noble gases related
Of its valence electrons or the no. Of valences in its Valence shell .In case of noble gases, their outermost shell is absolutely crammed so no emptiness is available in the outer maximum shell. Thus the oxidation kingdom is 0(zero)for Noble gases. Because, they've complete electrons in their out maximum shell.
hope this helps
What are the products in 6CO2 + 6H2O C6H12O6 + 6O2
Answer:
the product of photosynthesis is starch(sugar) and oxygen.
The____ of an ecosystem is based on wheather the population in the system destorys the natural resources of the system
Answer: immense
immense in the blank
please make me brainliest
In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.2. What is the frequency of individuals with Aa genotype? will reward brainly for best answer with explanation...please no more links or i will report
Answer:
0.42
Explanation:
To estimate the frequency of alleles in a population, we can use the
According to this equation:-
p =
q =
p + q = 1.0
(p + q)
2
= 1 so p
2
+ 2pq + q
2
= 1
p
2
2pq = frequency of Aa
q
2
p+q = 1
0.3 + q = 1
q = 1 - 0.3 = 0.7
Aa = 2pq = 2* 0.3 * 0.7 = 0.42.
Is the following sentence true or false? Liquid magma is formed when small amounts of mantle rock melt?
Answer:
Absolutely True!
Explanation:
When considering the entire period of time during which life on Earth has been evolving, we must look at:
thousands of years
hundreds of millions of years
hundreds of years
billions of years
millions of years
Answer:
we must look at billions of years
When considering the entire period of time during which life on Earth has been evolving, we must look at: D. billions of years.
Evolution can be defined as a process of gradual change in the characteristics of various species of living organism over several generations.
Basically, these characteristics refer to gene expressions that are typically transferred from parent organisms to their offspring or successive generations.
The earliest life forms known to humans existed about 3.7 billion years ago and they are microscopic organisms (microbes) whose fossils were found on rocks.
In conclusion, when you are considering the entire period of time during which life on Earth has been evolving, you must look at billions of years.
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Describe how the environment (predation, shelter, wind, access to water) might affect a population/ species?
Haploid cells have _____ and diploid cells have _____ of its DNA.
A.
two copies, one copy
B.
one copy, two copies
C.
two copies, four copies
D.
one copy, four copies
Answer:
B. one copy, two copies
Explanation:
Haploid is 23 chromosomes, so there is one copy of each human chromosome while diploid is 46 chromosomes, so there are two copies of each human chromosome.
Halpoid refers to a cell with a single set of chromosomes
Diploid refers to a cell with two sets of chromosomes.
Which component of biodiversity takes into account the number of different habitats and niches present in an ecosystem?
Select one:
A. Genetic
B. Stabilizing
C. Ecosystem
D. Species
Answer:
D is the answer hope it helps
what is cell and its function
Cells are the basic building blocks of all living things.
They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
[tex]\sf\huge\underline\purple{Cell:-}[/tex]
Definition:-
“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.”[tex]\rightarrow[/tex] Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
[tex]\rightarrow[/tex]Each cell contains a fluid called the cytoplasm, which is enclosed by a membrane. Also present in the cytoplasm are several biomolecules like proteins, nucleic acids and lipids.
[tex]\sf\large\underline\purple{Functions:-}[/tex]
Following are the various essential functions of cells:
Cells provide structure and support to the body of an organism.The cell interior is organised into different individual organelles surrounded by a separate membrane.The nucleus (major organelle) holds genetic information necessary for reproduction and cell growth.Every cell has one nucleus and membrane-bound organelles in the cytoplasm.Mitochondria, a double membrane-bound organelle is mainly responsible for the energy transactions vital for the survival of the cell.Lysosomes digest unwanted materials in the cell.______________________________
Energy extraction and the complete oxidation of foodstuffs requires three stages. The energy extracted from fuels is converted to ATP. Select the statements that are true for the different stages required for energy extraction and complete oxidation of foodstuffs.
A. In the first stage, macromolecules are converted to monomers, and a small amount of ATP is produced.
B. In the first and second stages the majority of ATP needed for cellular processes is produced.
C. In the third stage, fuel molecules are completely oxidized to CO2 , and most of the ATP needed for cellular processes is produced.
D. In the third stage, fuel molecules are completely oxidized to CO2 , and a small amount of ATP is produced.
E. In the second stage, monomers are broken down, and a small amount of ATP is produced.
F. In the third stage, fuel molecules are completely oxidized to CO2 , and no ATP is produced.
Answer:
C. In the third stage, fuel molecules are completely oxidized to CO2 , and most of the ATP needed for cellular processes is produced.
Explanation:
The three stages in the generation of energy from the oxidation of foodstuffs are given below:
First stage - This stage is the preparation stage and no useful energy is produced in this stage. In this stage, large molecules in food are broken down into smaller units. Proteins are broken down to amino acids, polysaccharides to simple sugars such as glucose, and fats are broken down to glycerol and fatty acids.
Second stage - In this stage, the various small molecules from the first stage are degraded to simple units (mostly acetyl-CoA) that are useful in metabolic activities of the body. Few ATP molecules are generated in this stage.
Third stage - In this final stage, most of the ATP required for cellular processes is produced from the complete oxidation of the acetyl unit of acetyl CoA to CO₂ in the citric acid cycle as well the oxidation of the electron carriers NADH and FADH₂ in oxidative phosphorylation.
What is the primary source of energy for all food chains?
Answer:
sunn
Explanation:
this is my alt acc
These weeds are growing in a farmer's field. The weeds compete with the soybean plants the farmer grows, so he needs to get rid of them. For a few years, the former relies on manually removing the woods, but that is labor intensive and limits how much crop he can grow. The farmer decided to change his crop to genetically modified soybeans that are herbicide resistant. This allows the farmer to use chemicals to remove the weeds. With this GM soybean, the chemical kills the woods but does not harm the crop. For many years this works, and allows the farmer to expand his farm and grow more soybeans. But then, one of the farmer's fields has a large weed plant remaining after the field has been sprayed with herbicide
1. Which of the following is the likely reason the weed has remained?
a. The weed needed to be resistant in order to survive, so it became resistant
b. A mutation appeared in one weed plant that made that weed not susceptible to the herbicide
2. Which of the following is likely to happen if that weed stays in place?
a. The trait will spread to nearby weeds
b. The weed will survive long enough to reproduce
c. In time, the herbicide will no longer be effective on that field.
Answer:
1) A mutation appeared in one weed plant that made that weed not susceptible to the herbicide ( B )
2) The weed will survive long enough to reproduce ( B )
Explanation:
1) The most likely reason the weed remained is : A mutation appeared in one weed plant that made that weed not susceptible to the herbicide
The weed plant must have undergone some mutation in order to be resistant to the herbicide which would kill the weed before now
2) The most likely thing that will happen if the weed stays in place in that farm is : The weed will survive long enough to reproduce
The trait or mutation of the weed cannot just spread to other weeds nearby it can only spread by reproducing more weeds of same mutation
Explain the relationship between mutations, adaptations,
natural selection, and extinction.
Answer: A mutation results in different alleles for a gene and these different alleles will cause adaptations that may be favorable or unfavorable. If no species in an area has adaptations suited for the environment after it changes, extinction will occur.Adaptations result from random mutations in the genes of organisms. Depending on the environment, these adaptations may be favorable or unfavorable. If an adaptation is favorable, it is selected by nature and, over time, more and more organisms in a population will have it. If the environment changes so much that the adaptations of a species are no longer enough for the species to survive, extinction will occur.Mutations is very different because it results in different alleles for a gene.Adaptations is where an animals ADAPTS to an environment.Natural selection consists of overproduction,variation, favorable adaptations.extinction is when a species completely disintegrates.
Explanation:
Answer:
A mutation results in different alleles for a gene and these different alleles will cause adaptations that may be favorable or unfavorable. If no species in an area has adaptations suited for the environment after it changes, extinction will occur.Adaptations result from random mutations in the genes of organisms. Depending on the environment, these adaptations may be favorable or unfavorable. If an adaptation is favorable, it is selected by nature and, over time, more and more organisms in a population will have it. If the environment changes so much that the adaptations of a species are no longer enough for the species to survive, extinction will occur.Mutations is very different because it results in different alleles for a gene.Adaptations is where an animals ADAPTS to an environment.Natural selection consists of overproduction,variation, favorable adaptations.extinction is when a species completely disintegrates.
Explanation: got it on ed :)
Which of the following which of the following organism would be in the first trophic
level?
a caterpillar
b mouse
C bee
d maple tree
Answer:
D
Explanation:
The first trophic level is the producer, which makes its own food, so it has to be a plant / algae / cyanobacteria
I NEED HELP FAST PLEASE HELP ME
which role do plants play in the nitrogen cycle?
Answer:
C .they take up the usable forms of nitrogen found in the soil .
Explanation:
What is not a cause of wind?
Answer:
can u explain it more I might know the answer
Drag the tiles to the correct boxes to complete the pairs. Identify the type of energy described in each sentence.
Pairs:
The body stores lipids ingested as fat and uses Thai energy when needed.
A persons hat falls off and lands on the ground.
A wave of water pushes a surfer to shore.
A burner on a stove heats up a tea kettle.
A power plant splits atoms to generate power for a city.
A nerve sends an impulse to another nerve.
A plant absorbs the suns rays to start the process of photosynthesis.
Tiles:
Gravitational Energy
Mechanical Energy
Chemical Energy
Electrical Energy
Thermal Energy
Nuclear Energy
Radiant Energy
Answer:
chemical energy
gravitational energy
mechanical energy
thermal energy
nuclear energy
electrical energy
radiant energy
Explanation:
Edmentum users .
What two materials does the cardiovascular system deliver to the cells of the body?
A. carbon dioxide and nutrient
B. oxygen and nutrients
C carbon dioxide and waste materials
D. oxygen and waste materials
B. It delivers nutrients and oxygen.