Why subject bio is named as multidimensional subject
Answer:
Explanation:These studies generally explore how insights gained from traditional unidimensional biodiversity research differ from those derived when multidimensional approaches are taken
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Answer:
Length is not a derived quantity as it measures fundamental quantity length.
Explanation:
Derived quantities cannot be measured directly. They can only be computed. Many derived quantities are calculated in physical science. Three examples are area, volume, and density.
What performs more functions human cells or bacterial cells and why
Answer:
It is human cells
Explanation:
Which stage of the cell cycle results in two identical cells?
mitosis
cytokinesis
interphase
metaphase
Answer:
Cytokinesis
Explanation:
The stage in mitosis in which the cell divides. Took it on E2020
Answer:
B.Cytokinesis
Explanation:
Does this model represent a compound? Explain your answer.
Answer:
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Explanation:
can you kindly show me the model
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Answer:
D.Uses oxegin for photosynthesis
Explanation:
Plants use CO2 (carbon dioxide) for photosynthesis
Which of the following natural processes is most likely to create large mounds of sand along the coastline?
Water eroding sand from the coastline
Wind depositing sand from other locations
Wind causing erosion faster than deposition Water weathering sand from the nearby rock
Brainliest will get 50 points
Answer: Water eroding sand from the coastline
Water eroding sand from the coastline is the natural processes is most likely to create large mounds of sand along the coastline
What are the properties of water ?Water is the chemical substance having chemical formula H2O, one molecule of water consist of two hydrogen atoms which are covalently bonded to a single oxygen atom.
The physical property of Water are, it is a colorless and tasteless liquid, have extensive hydrogen bonds resulting in unusual properties in the condensed form.
This also have high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment, etc.
Water is a great solvent and helps in the transportation of ions and molecules required for metabolism, has high latent heat of vaporization helps in the regulation of body temperature.
It is Amphoteric nature can act as both acid and base means that it is amphoteric in nature, it is Electropositive elements which reduce water to hydrogen molecule and it is the source of hydrogen.
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The directing effect of multiple substituents is dominated by the most powerful activator. Which is the most powerful activator for vanillin
Answer:
- OH group is the most powerful activator
Explanation:
The most powerful activator for Vanillin is the - OH group and this is due to the effect of the +R on the - OH group and also there is more overlapping experienced in -OH groups compared to - OCH3 group
attached below is the reaction scheme
The hypoxic zone in the Gulf of Mexico is not unique; at least 200 dead zones exist at estuaries and along seacoasts worldwide. These low-oxygen regions share many of the same causes, and they all have ecological and economic repercussions for ecosystems and people. Fortunately, we can pursue strategies to lessen the number, severity, and impacts of dead zones. The following list includes examples of factors that contribute to the development of dead zones (the cause), the consequences that result from dead zones, and possible solutions. Which of the following are consequences of dead zones?
a. Economic losses for fisher's
b. Death or aquatic organism that cannot escape
c. Policies to promote no-till agriculture
d. Construction of wetlands to absorb nutrients
e. Nutrient runoff from agriculture fertilizers, manure, and urban sources, which leads to rapid algal growth and subsequent bacterial decomposition
Answer:
Answer:
e. Nutrient runoff from agriculture fertilizers, manure, and urban sources, which leads to rapid algal growth and subsequent bacterial decomposition
Answer:
Explanation:
Run off from agricultural wastes which contain Nitrogen and Phosphorus are the major sources causes dead zones.The process where these chemical get washed into the aquatic bodies is called Eutrophication.
These substances leads to algae boosts in the water.The increases population of the algae consumes the available oxygen in the water, therefore making the oxygen concentration drops or no oxygen at all;(Hypoxia)
As the algae population feed on the available resources in the water they exhausted this,and later die.
When the decomposing bacteria used the oxygen in the water to breakdown the dead algae they make use of the available oxygen.This further reduced the oxygen availability and therefore reduces the oxygen and hence the zone becomes the dead zone, because little or no oxygen is available for survival of organisms.
This is reversible if the process if europhication or other causes is eliminated
Explanation:
Explanation:
In humans, the dominant allele N causes an abnormal shape of the patella in the knee, whereas n is the recessive normal allele. A separate gene is concerned with finger length, and the dominant allele B causes abnormally short fingers, whereas b is the recessive normal allele. A study focused on people who have both abnormal patellae and short fingers. These individuals were N/n . B/b in genotype, having inherited the N allele from one parent and the B allele from the other parent. These N/n . B/b people mated with normal spouses, producing 40 progeny classified as follows: Normal 3 Abnormal knees and short fingers 2 Abnormal knees only 17 Short fingers only 18
Explain why the four types of children were found in the proportions shown.
Draw the chromosomes of (i) the parents of the N/n . B/b individuals; (ii) the N/n . B/b individuals; and (iii) the four types of children, showing the proper positions of the alleles based on the data above.
Answer:
1) Children were found in the proportions shown because the two genes are linked, they do not assort independently from each other
2) The chromosomes draw is in the attached file
Explanation:
Due to technical problems, you will also find the explanation for the first question in the attached files (PDF).
Which direction below is a step in preparing a wet-
mount slide?
O Press a specimen and a drop of water
between two glass microscope slides.
O Insert a drop of water between a cover slip
and the glass slide.
O Add a drop of water onto a specimen, and
place a cover slip on top.
Add a drop of water onto a specimen on a
glass slide, and clip it onto the microscope
stage.
Answer:
O Add a drop of water onto a specimen, and
place a cover slip on top
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Answer:
C.) Add a drop of water onto a specimen, and place a cover slip on top.
When salt is dissolved in water, the water is the
solute
solvent
solution
Answer:
solution
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Describe how a rainforest can reach a point when it cannot be restored by secondary ecological succession
Answer:Although the secondary forest will be low in diversity and poorly developed, the forest cover will be adequate for some species to return (assuming they still exist). The solution must be based on what is feasible, not overly idealistic, and depends on developing a new conservation policy built on the principle of sustainable use and development of rainforests. Beyond the responsible development of rainforests, efforts to rehabilitate and restore degraded forest lands along with the establishment of protected areas are key to securing rainforests for the long-term benefits they can provide mankind.
Explanation:
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A very high damaged leads to no restoration of rainforest by secondary ecological succession.
A rainforest can reach a point when it cannot be restored by secondary ecological succession when the large portion of the rainforest is destroyed and most of diversity is vanished. At this time, restoration is impossible due to very high damages.
Ecological resilience is the ability of an ecosystem to be restored through secondary ecological succession after a severe disturbance. Rainforest have a high biodiversity that helps it to resist damage but at a certain limit so we can conclude that very high damaged leads to no restoration of rainforest by secondary ecological succession.
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A 6th grade class was presented with the following statement the amount of water on the surface of earth today is the same amount as 1000 years ago half of the class argued that the statement was true as the other half argued the statement was false, argue how you know your choice is correct
Answer: It's true
Explanation:
The Water cycle. It continues on and on it doesn't stop.
A diagram of the human digestive system is shown below removing which organ would have the smallest impact on the digestion absorption and elimination
Answer:
Esophagus
Explanation:
esophagus provides a passway between the mouth and stomach otherwise it has no other major function in digestion, absorption and elimination.
7. What is the speed of the sound in air of 250 C temperatures
A. 336m/s B.325m/s
C.346m/s
D.355m/s
8. Calculate the speed of sound if the temperature of the vibrating water is28-
A.346m/s
B.347.8m/s
C. 350m/s
D.349.1m/s
9. An echo occurs when sound
A. is trarismitted through a surface
B. is reflected from a distant surface.
C. changes speed when it strikes a distant surface.
D. all the above
10. The change in direction of a sound wave around corners is called
A. diffraction B. interference
C. refraction
D. reflection
11. You can hear noises a long distance away over water at night because
A. of lowered temperature. B. water conducts sound better at night. C. Sound is reflected off water more e
night. D. Of refraction of sound in air.
12. What is the BEST reason why a lot of people love to sing inside the bathroom?
A. because of privacy
B. because the bathroom creates an aurally pleasing acoustic environment
C. because of resonance
D. because the small dimension of the bathroom makes someone comfortable
13. The technique used by bats to find their way or to locate food is
B. RADAR
C.ECHOLOCATION
D. FLAPPING
A. SONAR
14. What kind of wave is sound wave?
A. shock wave.
B. standing wave.
C. transverse wave.
D.longitudinal wave.
15. When does resonance occur?
A. when objects of different natural frequencies are forced to produce vibration
B. when objects vibrate
C. when sound is reflected
D. when one object vibrates at the same natural frequency of a second object
Answer:
i think is c
Explanation:
what will most likely happen if the plankton population decreases in this ocean system
Answer: The shrimp population would decrease.
Explanation:
You are curious about the effects of different watering schedules on your favorite fruit, strawberries. You set up plants, all the same age and size, and plant them in identical pots with the same potting soil. You water them once a week, every day, or every other day. Every day, you check the plants for strawberries, and record the number and size of the berries produced by each plant.
The complete question is as follows:
What is the independent variable in this strawberry experiment?
O the type of pots
O the number and weight of strawberries produced
the potting soil
O the water schedule
O size and age of plants
Answer:
The correct answer is - the watering schedule.
Explanation:
Independent variable is the variable or the factor which is changed or manipulated during a study or experiment to find the effect on the dependent variable.
The variable that is manipulated in this experiment is the watering schedule and the aim of the experiment is also finding the role of the effect of the watering schedule on fruit production. In this study, the watering schedule is manipulated for different pots of plants to see the effect on the production of fruit.
How can two organisms have the same phenotype but different genotype
Answer:
Same phenotype but different genotype is possible due to presence of dominant allele. A person can have a dominant allele on both the homologous chromosomes (i.e. in double dose) while another person may have single dominant allele and a corresponding recessive allele
Explanation:
Answer:
Same phenotype but different genotype is possible due to presence of dominant allele.
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If certain ocean species were to die out from ocean acidification, what would the impact be on the oceanic ecosystem and the remaining species?
Make a claim. Support your claim with relevant data or evidence from the article. Then, justify why the data or evidence supports your claim
Answer:27 negative
Explanation:
difference between a molecule and a cell.
Answer:A cell is made of molecules and a molecule is made of atoms. That's the simplest way of putting it. More complicated is that a cell is made up of macromolecules, such as proteins, lipids , etc. A molecule is a particular configuration of atoms.
Explanation:
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state at least 3 uses of bacteria
Answer:
eat sleep repeat
Explanation:
Answer:
1- Digestive Bacteria, bacteria is used by the body to digest and break down foods
2-Pest Control, specifically Bacillus thuringiensis is used for pest control
3- Fermentation, fermenting foods like yogurt, beer, and most alcohols use bacteria in the fermenting processes.
:)
3. What are the different science processes demonstrated in the activities
performed?
After an organism dies, it stops taking in radioactive carbon-14 from the environment. If the carbon-14:carbon-12 ratio ( / ) in a piece of petrified wood is one sixteenth of the ratio in living matter, how old is the rock
Answer:
Age of rock= 22920 years
Explanation:
Carbon-12 isotope is a stable isotope whereas carbon-14 isotope undergoes radioactive decay. The half-life of carbon-14 isotope = 5730 years
Since the ratio of carbon-14 to carbon-12 = 1/16 : 1; number of times carbon-14 isotope decayed n
(1/2)ⁿ = 1/16
(1/2)ⁿ = (1/2)⁴
n = 4 times
time(age) for decay = n * half-life
Therefore, age of fossil = 4 * 5730 years
Age of rock = 22920 years
What is the closest star to the Sun?
Hint: Watch one of the SML videos on "Who wants to be a Millionaire" (Super Mario Logan).
Answer:
already have.
Explanation:
What is the structure shown in the figure?
Carbohydrates
Proteins
Lipids
Nucleic Acids
What happends if a cell were to have an interphase 1 and 2 when doibg meiosis
You are performing an experiment with Primase, using a specific DNA template. In this experiment, you provide NTPs (ATP, UTP, CTP, GTP) which contained only one radioactive phosphate group, in the alpha-phosphate position (the alpha- phosphate is the one attached to the sugar. the other phosphates are beta and gamma). After RNA synthesis occurs, you separate the resultant RNA strand any of the NTPs that have not been incorporated into the RNA, and measure the radioactivity of the newly synthesized RNA.A) In this experiment, would you expect the newly synthesized RNA be radioactive? Explain why.B) If you forgot to add CTP when you did the experiment, would the resulting RNA be radioactive?C) If you did the experiment, with all the NTPs provided, but only the beta phosphate was radioactive for each of the NTPs, would radioactivity be found in the RNA? Explain why.D) If you did the experiment, with all the required NTPs, but only the ATP was radiolabelled Would radioactivity be found in the RNA? Explain why.
Answer:
(a). Yes.
(b). RNA becomes Radioactive.
(c). No.
(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.
Explanation:
So, let us do right into the explanation behind the answers to the questions asked.
(a). The answer to this part of the question is "Yes" because in creating or in the formation of the glycosidic bond, all the alpha phosphate group were taken into consideration that is they were all used, thus making the newly synthesized RNA to be radioactive.
(b). The RNA becomes Radioactive is the answer to this part of this question because CTP is needed in the experiment.
(c). The answer to this part (c) of this question is ''No'' because the only thing that takes part in bonding is the alpha phosphate.
(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.
Why do thermos bottle keep cold beverages contained inside them from getting warm?
Pick one of the body parts shown in Sammi's model. How would a disease or injury to this organ affect the process modeled? How would it affect the body as a whole
Answer:
the heart is what makes every moving part working inside our body even though the brain is the one who tells them or gives them signals to work. the heart is what keeps them alive and if the heart takes any kind of negative damage the would not take care of everything it's supposed to.
Explanation:
Hope this helps
The body part picked is ; The Heart
An injury or disease to the heart will stop the whole body functioning and the process modeled will be distorted
The heart in the body is equivalent to the engine of a car, The heart pumps oxygen carrying blood cells into all the organs and without this oxygen carrying blood cells the whole body will stop functioning ( i.e. The organs will be dead ).
An injury or disease to the Heart will negatively affect the distribution rate of blood to all parts of the body and this will negatively affect the overall wellbeing of the body and this will also negatively affect the process been modeled as well.
Hence we can conclude that The body part picked is ; The Heart , and An injury or disease to the heart will stop the whole body functioning and the process modeled will be distorted
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