By definition, what is a prokaryote?
A. Bacterial cell having no digestive system
B. Bacterial cell having no excretory system
C. Bacterial cell containing no cell membrane
D. Bacterial cell containing no true nucleus
Answer:
i m trying to post my own language.please compromise
Explanation:
microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria.
Which of the following is not a example of heredity
Answer:
Where are the examples??????
Explanation:
Question 9 of 26-0OS
What does the passage and diagram above best imply?
Cellular Respiration
Oy
Carte
Diside
ATE
Mitochondria
Glucose
Water
CH, O, + 6O, CO + 6H,O +ATP
.
Cellular respiration is a process that converts glucose into chemical energy (ATP) in the chloroplast of the cell
The main product of cellular respiration is ATP; waste products include carbon dioxide and water
o Oxygen and glucose are both products of cellular respiration
Cellular respiration refers to the metabolic reactions and processes which occur in the nucleus of organisms
Previous
Answer:
cellular respiration is a process that converts glucose into chemical energy (atp) in the chloroplasts of the cell
Explanation:
The Hardy-Weinberg equilibrium is a theoretical model that predicts the frequency of different genotypes in a population that is not evolving. A scientist studying the population genetics of the rainbow fish finds that the Hardy-Weinberg model predicts that the frequencies of the three different genotypes for the albino gene in a given lake should be as follow: AA: 49%, Aa: 42%, and aa: 9%. However, the scientist obtained a sample of 320 individuals of this species and found that the numbers of individuals for the different genotypes are: AA: 180, Aa: 120, and aa: 20.
Complete question:
The Hardy-Weinberg equilibrium is a theoretical model that predicts the frequency of different genotypes in a population that is not evolving. A scientist studying the population genetics of the rainbow fish finds that the Hardy-Weinberg model predicts that the frequencies of the three different genotypes for the albino gene in a given lake should be as follow: AA: 49%, Aa: 42%, and aa: 9%. However, the scientist obtained a sample of 320 individuals of this species and found that the numbers of individuals for the different genotypes are: AA: 180, Aa: 120, and aa: 20. Use the appropriate statistical technique to test (use alpha = 0.05) whether the observed genotype frequencies are consistent with eh Hardy-Weinberg model. State your conclusion.
Answer:
There is enough evidence to reject the null hypothesis. The genotypes are not in equilibrium. The genotype frequencies are consistent with the Hardy-Weinberg model.
Explanation:
Expected Number of individuals with each genotype: Each genotype´s frequency multiplied by the total number of individuals in the sample.
AA= 0.49 x 320 = 156.8
Aa= 0.42 x 320 = 134.4
aa= 0.09 x 320 = 28.8
Observed Number of individuals with each genotype:
AA= 180
Aa= 120
aa= 20
Chi square= ∑ ((O-E)²/E)
∑ is the sum of the terms O are the Observed individualsE are the Expected individualsAA= (O-E)² /E
AA= (156.8 - 180) ² / 156.8
AA= 538.24/156.8
AA= 3.433
Aa= (O-E)² /E
Aa= (134.4-120)² / 134.4
Aa=207.36/134.4
Aa= 1.543
aa= (O-E)² /E
aa= (28.8-20)²/28.8
aa= 2.69
X² = ∑ ((O-E)²/E) = 3.433 + 1.543 + 2.69 = 7.666
Freedom degrees = genotypes - alleles = 3 - 2 = 1
Significance level, 5% = 0.05
p value less than 0.05
Table value/Critical value = 3.841
7.666 > 3.84 meaning that the difference between the observed individuals and the expected individuals in each chamber is statistically significant.
There is enough evidence to reject the null hypothesis. The genotypes are not in equilibrium.
Describe what happens to carbon dioxide in the carbon cycle. Remember to write your answers in complete sentences.
Answer:
Carbon moves from the atmosphere to plants. In the atmosphere, carbon is attached to oxygen in a gas called carbon dioxide (CO2). Through the process of photosynthesis, carbon dioxide is pulled from the air to produce food made from carbon for plant growth. Carbon moves from plants to animals.
Explanation:
Brainliest please?
Is this answer correct? Will give brainiest!
Answer:
[tex]f=5.6\times 10^{14}\ Hz[/tex]
Explanation:
The resulting light have a wavelength of 532 nm.
We need to find frequency of the material. Let it is f.
The relation between frequency and the wavelength is given by :
[tex]c=f\lambda\\\\f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{532\times 10^{-9}}\\\\=5.6\times 10^{14}\ Hz[/tex]
So, the frequency of the light is [tex]5.6\times 10^{14}\ Hz[/tex]. Hence, this answer is correct.
Which two things are found on a molecule of tRNA
Answer: Ribose nucleotides and the nitrogenous bases
Explanation: RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of varying lengths. The nitrogenous bases in RNA are adenine, guanine, cytosine, and uracil, which replaces thymine in DNA.
Answer:RNs and nitrogenous bases
Explanation:
Ribose nucleotides and the nitrogenous bases
The lungs are increasing in volume due to the contraction of the primary inspiratory muscles which are the _________ and ____________.
Answer: lateral external intercostals and external intercostal muscles
Explanation:
The inspiration is the process of drawing air into the lungs. The primary muscles required for the inspiration include internal and intercostal muscles, parasternal portion required for the internal intercostal muscles.
These muscles can elevate the bony ribs when the air for breathing is inhaled and increase the air capacity for lungs.
What is the total number of ATP from Glycolysis, Krebs Cycle, and Electron Transport!
Answer:
36 - 38
Explanation:
Glycolysis makes 2, Krebs adds 2 more. Then the electron transport chain makes 32-34 more by converting NADH to ATP.
Which phenomenon causes oceans to bulge? the blowing wind the Coriolis effect the moon’s gravity the rotation of Earth
Answer:
C, moon's gravity
Explanation:
Other people are saying the same thing.
Answer:
C: the moons gravity
Explanation:
living------is scaleless i hagfishes ii sharks iii bony fishes iv ostracoderms
Answer:
living hagfishes is scaleless
Explanation:
hagfishes are scaleless, soft-skinned creatures with paired thick barbels on the end of the snout.
So,the answer is hagfishes
hope this helps!
how many muscle types do mollusca have ? discuss these types?
help me
Answer:
Mollusks can be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda. These classes are distinguished by, among other criteria, the presence and types of shells they possess.
The graph below shows distance traveled over time during a bicycle race.
2
The
Because the graph is a straight line with a positive slope and objects do not normally travel at a constant rate for an entire trip, what does the slope MOST likely represent?
(DOK 1, AKS Ba)
O A Actual constant speed
B. Actual constant acceleration
C. Average constant speed
D. Average constant acceleration
Answer:
B
Explanation:
The acceleration maxes out everything
1. Complete: Heat and pressure melts ___________ rock and turns it into ____________. When it cools it becomes _________ rock.
2. Igneous rock can be broken down by __________ and the pieces moved around by erosion. The mix of pieces become ___________ rock, such as limestone.
3. The weight and pressure creates heat causing the _________ rock to turn into __________ rock, such as marble.
Answer:
1. Metamorphic, Igneous
2. Weathering, Erosion
3. Sedimentary, Metamorphic
Explanation:
I majored on Biology
I need help. What is a cloning vector? How are cloning vectors used? Give three examples of cloning vectors, indicating which ones are better for small fragments of DNA and which are better for large fragments.
Answer:
1. A cloning vector is a small piece of DNA that can be stably maintained in an organism, and into which a foreign DNA fragment can be inserted for cloning purposes.
2. Cloning vectors are plasmids that are used primarily to propagate DNA. They replicate in E. coli to high copy numbers and contain a multiple cloning site
3a. Examples of cloning vectors are plasmids, cosmids, bacterial artificial chromosomes (BACs), and yeast artificial chromosomes (YACs).
3b. plasmids- small, BACs- large, YACs- large, cosmids- large
Explanation:
hope this helps
A cloning vector is a short piece of DNA which can be stably maintained in an organism, and into which a foreign DNA fragment can be inserted for cloning purposes.
What is Cloning Vectors?
A cloning vector is defined as a short piece of DNA that can be stably maintained in an organism, and into which an external DNA fragment can be inserted for cloning purposes. This may be DNA taken from a virus, the cell of a higher organism, or it may be a plasmid of a bacterium.
Cloning vectors are plasmids that are mainly used to amplify DNA which replicate at high copy number in E. coli and contain a multiple cloning site.
Examples of cloning vectors are plasmids, cosmids, bacterial artificial chromosomes (BACs), and yeast artificial chromosomes (YACs).
Thus, a cloning vector is a short piece of DNA which can be stably maintained in an organism, and into which a foreign DNA fragment can be inserted for cloning purposes.
Learn more about Cloning Vector, here:
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Choose the answer that best describes strong currents of warm, moist air rapidly rising to altitudes of 40,000 feet causing heavy rain, lightening, hail, winds, and flash flooding.
a.tornado
b.temperature inversion
c.cyclone
d.thunderstorm
2.
What problems can temperature inversions create?
a.can cause hail, rain and high winds
b.can trap polluted air causing health problems
c.can cause cyclones to form
d.can create dust storms making air hard to breath
3.
What is a cyclone called that generates winds of 200 kmph and rotates in a counter-clockwise movement in the Pacific Ocean?
A.a typhoon in the southern hemisphere
B.a cyclone
C.a typhoon in the northern hemisphere
D.a hurricane
4.
What are rotating air currents circulating around a vertical axis inside a supercell?
a.windshear
b.mesocyclone
c.tornado
d.downdrafts
please help
Answer:
b, a, d, a.
Explanation:
l think the first and second are write but 3 and 4 I'm not sure.
Answer:
cyclone
Explanation:
How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in interphase of the cell cycle?
Answer:
The daughter cells have the same number of chromosomes and the same amount of DNA.
Explanation:
Mitosis is a process where the nucleus divides, so at first we have 46, and we need to bring it down to 23, because that is how much our cells can take, but after mitosis, the daughter cell will end up with 2 new cells, and it will have 23 chromosomes in each of the cells.
Hope this helps.
If not, and it is wrong, feel free to delete my answer.
47. In each of your cells how much of the DNA is the same?
Answer:
Almost every cell in the human body has the same DNA. Most DNA is in a cell's nucleus (nuclear DNA), but a small amount of DNA can also be found in mitochondria (mitochondrial DNA).
Hope it helps!QUICK : which of the following are products of fermentation? -ethanol and pyruvic acid -ethanol and lactic acid -alcohol and citric acid -alcohol and pyruvic acid
Answer:
alcohol and citric acid
Answer:
alcohol and citric acid
The equation below shows a process that occurs in all green plants.
carbon dioxide + water + energy → glucose + oxygen
Which statement about this process is true and supported by the equation?
A: The process follows only the law of conservation of mass and not the law of conservation of energy because the number of atoms stays the same, but energy is used up.
B: The process follows only the law of conservation of energy and not the law of conservation of mass because energy is the same in the products, but the number of atoms increases.
C: The process does not follow either the law of conservation of mass or the law of conservation of energy because the number of atoms increases and the amount of energy is reduced.
D: The process follows both the laws of conservation of mass and of energy because the number of atoms stays the same, and the energy is used to make the products, is stored in the products, and is converted to heat.
Answer:
I think the correct answer is D
When Lake Mendota was completely covered with algae, biologists used the concept of trophic cascades to solve the problem by introducing predatory fish. When they did this, a\an ________ in predatory fish caused a\an ________ in plankton feeding fish, which resulted in a\an ________ in\ herbivorous plankton with a consequent ________ in algae. Group of answer choices increase; increase; increase; decrease increase; increase; decrease; increase decrease; increase; increase; decrease increase; increase; decrease; increase increase; decrease; increase; decrease
Answer:
increase; decrease; increase; decrease
Explanation:
When Lake Mendota was completely covered with algae, biologists used the concept of trophic cascades to solve the problem by introducing predatory fish. When they did this, an increase in predatory fish caused a decrease in plankton feeding fish, which resulted in an increase in herbivorous plankton with a consequent decrease in algae.
With the introduction of predatory fish, a decrease in the population of zooplankton-eating fish would occur due to predation by the newly introduced fishes. This will cause the population of zooplankton to thrive or increase.
Zooplanktons feed on algae. Hence, an increase in their population will put pressure on the alga in the ecosystem and cause a decrease in their population.
True or False: An element is a substance that is made up of one type of atom.
Answer: true : A pure substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made. Atoms show the macro properties of an element.
Explanation:
It is true .
Have a nice day.
what is the Define a food web.
Answer:
A detailed interconnecting diagram that reveals the overall food relationships between organisms in a distinct environment
Explanation:
Which of the following is the most effective argument for the improved treatment of animals in CAFOs?
The quality of animal products is improved when animal welfare is considered.
Many consumers are interested in buying from companies that consider animal welfare.
Animal welfare must be considered, as animals have the right to live free of confinement and cruelty.
Behavior in which the animal injures itself or others is less common when animal welfare is considered.
Answer:
Many consumers are interested in buying from companies that consider animal welfare.
Explanation:
Factory farms, also known as Operators of concentrated animal feeding operations (CAFOs) are interested in maximizing their production efficiency to increase their profits, regardless of the animals´ health and growing conditions. These factories tend to prioritize rapid growth and production over animal welfare, which might be an important reason to think that they do not care about the quality of their product, more than they do about their earnings.
Since during the last years, there is a sharp increase in the people´s conscientization of animal welfare and the conditions in which they are grown, probably the most effective argument for the improved treatment of animals in CAFOs is that many consumers are interested in buying from companies that consider animal welfare.
People who care about animal conditions will not consume animal products from factory farms, which eventually ends by affecting these factories´ profits. If CAFOs improve animal treatment and get higher animal welfare standards, they will have more people consuming their products, which is basically their main interest.
Answer:
animal welfare
Explanation:
A pedigree chart is used to _______. (3 points)
A: predict percentage of offspring with a trait
B: predict genotypic probabilities
C: track inherited traits through generations
D: identify the genotype of parents
Answer:
A pedigree chart is used to track inherited traits through generations (option C).
Explanation:
A pedigree chart is a graphical representation, similar to a family tree, showing specific traits present in parents, children and relatives. It is a diagram commonly used in genetics.
A certain phenotype, product of genetic traits, is represented in a pedigree chart by pre-established symbols, which is useful for tracking inherited traits through generations.
The other options, predict percentage of offspring with a trait , predict genotypic probabilities or identify the genotype of parents require a Punnett square to be identified.Answer:
c is the ansewer because i got this on my test
Explanation:
Assume a seed eating finch population is currently at carrying capacity and the availability of food decreases dramatically. What will happen to the carrying capacity
Answer:
This question lacks options, options are:
A.Carrying capacity will increase B.Carrying capacity will decrease C.Carrying capacity will remain unchanged. The correct answer is B.
Explanation:
Ecologists define 'carrying capacity' as the population of a certain species that a defined habitat can support indefinitely, without permanently damaging the ecosystem on which they are dependent,that is, the ecological carrying capacity of an ecosystem is the maximum growth limit of a biological population that the environment can support in a given period, without negative effects on that population or on the environment.
Determine the acid base imbalance.
.
pH: 7.31
• pCO2: 29 mmHg
• HCO3:18mEq/L
Metabolic Acidosis with Respiratory compensation
Metabolic Alkalosis with Respiratory compensation
Respiratory Acidosis with Renal compensation
O Respiratory Alkalosis with Renal compensation
Applying Osmosis
Write hypotonic, hypertonic, or isotonic above the picture, Draw arrows to show water flow.
Please help!
Answer:
A . hypotonic solutions , water flows into the cell
B. hypertonic solutions , water flows from cell to into the solution ...
C . isotonic solution , no net movement of water
plz mark my answer as brainlist plzzzz vote me also hope this helps you ....
LOTS OF POINTS!?!?!?What reaction has kept the Earth habitable for most of Earth’s history?
Answer:
What makes the Earth habitable? It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
Explanation:
Hope this helps
Answer:
The o-zone has protect use from being fried by the sun and all the tree around us that help us breathe and most of the earth is made of water so that we can drink and not die of thirst and we have livestock to not starve.
Explanation:
define hemianatropous with example
Answer:
Hemianatropus is half-anatropous in which someone is having or being a plant ovule inverted so that the micropyle is bent down to the funiculus to which the body of the ovule is united. An example is a fly trapper turning a 90 degree angle of its body function.
Explanation:
I apologize if this is wrong, I have no idea what this is but you could look up the word on the internet if you are having problems still.