Answer:
A null hypothesis would be that caffeine doesn't stimulates sunflower plants to grow taller.
Explanation:
Null hypothesis: In research methods, the term "null hypothesis" is described as a type of hypothesis that proposes that there's no difference between specific characteristics of a particular data gathering process or population.
Function: The main aim of "null hypothesis" is to prove whether or not a specific test or study is supported and is separated from the researcher's own decisions and values. It is responsible for providing a way to a given study or test and is represented by H0.
What is the name of the binding site of RNA polymerase in eukaryotes?
F. operator
G. inducer
H. operon
J. promoter
Answer:
J. promoter
Explanation:
The promoter is the name of the binding site of RNA polymerase in eukaryotes.
10 points
One of Earth's characteristics is that it experiences seasons. Higher
temperatures result in summer and lower temperatures result in winter.
Why does the Earth experience seasons? *
A. Temperatures on Earth vary from one location to another, causing seasons.
B. Cloud cover is heavier in the winter, blocking radiation from the Sun and creating
seasons
C. As Earth revolves around the Sun, the hemisphere that is tilted toward the Sun
receives more direct sunlight, causing seasons
D. Earth's orbit around the Sun is elliptical, and Earth is farther from the Sun in winter,
resulting in seasons
Nas
Answer:
C.
Explanation:
earth's orbit around the sun is an elliptical orbit that requires about 365 1/4 days to complete. When Earth's axis points towards the sun it is summer to that hemisphere
Answer:c
Explanation:
3. Which is an example of genetic biodiversity?
a. Different skin color within a species
b. Different types of species in an ecosystem
C. Every organism has the same genetic sequence
d. All populations look identical within a species
Answer:
A
Explanation:
Has to be the same family to be genetic and you have to find which has the most variety
Different skin color within a species is an example of genetic biodiversity. Therefore, option (A) is correct.
What is genetic biodiversity?
Genetic biodiversity refers to the variety of genes and genetic traits that exist within a population or species. It is a fundamental aspect of biodiversity, as it underpins the ability of species to adapt to changing environmental conditions and to maintain resilience in the face of threats such as disease, climate change, and habitat loss.
Genetic biodiversity arises from mutations, genetic recombination, and other processes that generate new genetic variation within populations. This diversity provides the raw material for natural selection to act upon, allowing organisms with advantageous traits to survive and reproduce.
Genetic biodiversity is important for ecosystem functioning and for the conservation of species, as it helps to ensure that populations are able to adapt to changing conditions and maintain their long-term viability. The loss of genetic biodiversity can have significant negative impacts on populations and ecosystems, making it an important focus of conservation efforts.
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BIOLOGY PLS HELP!!! A 5% salt cell is placed in a 15% salt solution. What type of solution is this cell in?
a) hypotonic
b) hypertonic
c) isotonic
Answer:b
Explanation: the solution is more concentrated (hyper) than the cell is
hyper means more than and hypo means less than like hyperthermia (too hot) or hypothermia (too cold)
When a person's temperature gets too high, they will automatically sweat to cool down.
Sweating is considered a ___________________.
Answer:
Perspiration
Explanation:
If you had options that could have helped but I think perspiration is the correct answer.
Hope this helps :D
1. Show the possible outcomes if a women who is a carrier for baldness has children with a normal man.
Can they have a son with baldness?
Answer:
Yes they can.
Explanation:
I defined the genotypes and possible outcomes in the image attached
what is a roan color in cattle is controlled by codominant genes for both red and white hair. if a roan cow is crossed with a white bull, what percentof offspring would be white?
Answer:
50%
Explanation:
Roan color is controlled by two codominant alleles. Let us assume that the red color allele is R and the white color allele is W. Thus, the roan color would be RW.
Roan color cow is crossed with a white bull;
RW x WW
RW RW WW WW
RW = roan = 50%
WW = white = 50%
1/2 or 50% of the offspring would be roan color while the remaining 1/2 or 50% would be white in color.
What is it called when an aquifer gets refilled/replenished? if you answer correctly i’ll make you brainliest:)
Answer:
A recharge zone usually occurs at a high elevation where rain, snowmelt, lake or river water seeps into the ground to replenish the aquifer. A discharge zone can happen anywhere. ... Many people with wells are accessing an unconfined aquifer layer for drinking water. This can be an issue when there is a drought.
Explanation:
aquifer?
If Im wrong please correct me(･д･｀o)
To move the objective lens up and down, I would turn the _________ __________ dial. Which two words complete the sentence? ps: i gave 100 points so answer
Answer:
knob and the dial are the words
What needs to happen for a species to form
Answer:
New species form when individuals from diverging populations no longer recognize one another as potential mates, or opportunities for mating become limited by differences in habitat use or reproductive schedules.
Explanation:
Choose the answer that explains solar prominences
A. Sudden release of magnetic energy stored in the corona
B. Intense electromagnetic storms on the photosphere
C. Intense solar winds on the Sun’s surface
D. Storms of gas that form columns and shoot into space
Answer:
D - a solar prominence is a column of gas that stretches out from the sun's (or any other star's) surface
Answer:
B
Explanation:
It was right for me
Explain enzyme-substrate specificity.
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substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Answer:substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Explanation:Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The model by which this is known is ‘lock and key’ as the substrate is a precise structural fit for the enzyme, much like a lock and key • When the enzyme and substrate bind, they form an enzyme-substrate complex, before the substrate is catalytically converted into a product
Where does carbon dioxide end up?
Answer:
Only about 50 percent of the CO2 from human emissions remains in the atmosphere. The remainder is approximately equally split between uptake into the land biosphere and into the ocean.
Explanation:
Which of these factors affects how fast a sound wave moves? the kind of material it is moving through the kind of material it is moving through the amplitude of the sound wave's vibrations the amplitude of the sound wave's vibrations the wavelength of the disturbance in the medium the wavelength of the disturbance in the medium the type of motion that caused the sound wave to form the type of motion that caused the sound wave to form
Answer:
the kind of material it is moving through
Explanation:
Sound wave is a type of mechanical wave, which requires a medium to travel, unlike longitudinal waves that can travel through vacuums. Since, sound waves travel through mediums, the KIND OF MEDIUM/MATERIAL it is traveling through has a role to play on how fast it moves.
Sound waves move faster in materials whose molecules are closely packed together than those with loosely packed molecules. This is why sound waves naturally travel faster in SOLID materials. Therefore, the the kind of material the sound wave is moving through affects how fast it moves.
Which type of mutation can be passed to future generations?
Enzyme mutations
Somatic mutations
Neutral mutations
Gamete mutations
Answer:
gamete mutations can be type of mutations
50 points
Which of the following are true of enzymes?
Choose every answer the is correct
Specific enzymes can only facilitate one or two reactions.
Enzymes are not changed by facilitating a reaction.
Enzymes lower the activation energy of a reaction.
Each specific enzyme can facilitate many different reactions.
Enzymes are specialized proteins.
Enzymes raise the activation energy of a reaction.
Sexual reproduction in animals depends on the production of gametes.
Which of these processes produces gametes in animals? *
Mitosis
Fertilization
O Meiosis
Binary fission
The process that produces gametes in animals is meiosis.
What is MeiosisMeiosis is a specialized type of cell division that occurs in the reproductive cells, or germ cells, of animals. It involves two rounds of cell division, resulting in the production of four haploid daughter cells, each with half the number of chromosomes as the parent cell.
During meiosis, the genetic material is shuffled and recombined through processes such as crossing over and independent assortment. This genetic variation contributes to the diversity of offspring produced through sexual reproduction.
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Nerve labeling help meee plsss
Answer:
(1) Synaptic Vesicle
(2) Vesicle Releasing Neurotransmitter
(3) Axon Membrane
(4) neurotransmitter
(5) Synaptic Cleft
(6) Postsynaptic Neurotransmitter Receptors
Explanation:
The cell membrane is a responsible for maintaining ___, a stable internal environment
Answer: Homeostasis is the cell membrane is a responsible for maintaining a stable internal environment
The recent development of hybrid and electric vehicles has what effect on
the environment?
Please help for my homework
Answer:
They help reduce greenhouse gas emissions, but the downside is hybrid cars require more energy to produce than normal cars
Explanation:
Ok I'll see what I can do. I'll try my best to provide you the correct answer.
5
Recent studies looked at how fog may play a role in the water transport of the coastal
redwoods. Which is true?
A
The fog helps to replenish vital ground water.
B
The fog lowers the evaporation rate at the needles.
C
The fog can decrease the energy demand of the trees.
D
All of the above
Which is required for both anaerobic respiration and aerobic respiration?
O oxygen
water
O mitochondria
O glucose
A. Structure that organizes motion of chromosomes.
Answer:
lol NO I MENA CENTROILE
Explanation:
Which of the following are ways that the respiratory system works with the immune
system to keep humans from getting sick? (Choose all that apply
1.) Coughing involves a quick contraction of the diaphragm muscle, forcing air
through the respiratory pathway, and dislodging mucus or other harmful
particles
2.) Alveoli transfer bacteria and viruses to the bloodstream to be disposed of.
3.) Cilia function like a filter, trapping dust and pollen in the nose,
4.) Mucus traps bacteria and viruses to be removed or swallowed.
Answer:
1.) Coughing involves a quick contraction of the diaphragm muscle, forcing air
through the respiratory pathway, and dislodging mucus or other harmful
particles
3.) Cilia function like a filter, trapping dust and pollen in the nose,
4.) Mucus traps bacteria and viruses to be removed or swallowed.
Explanation:
Coughing involves a quick contraction of the diaphragm muscle, forcing air out while the cilia act like a filter, trapping dust and pollen in the nose. Mucus traps bacteria and viruses to remove or swallow. So, the correct options are A, C and D.
What is Respiratory system?The respiratory system is defined as the network of organs and tissues that help us breathe which includes the airways, lungs, and blood vessels. The muscles that power the lungs are also part of the respiratory system where these parts work together to move oxygen throughout the body and clear out waste gases like carbon dioxide.
Respiratory system works in that way with the immune system by keeping the human from getting sick by bacteria and viruses are removed or swallowed by mucus, while the cilia act like a filter, trapping dust and pollen in the nose.
Thus, coughing involves a quick contraction of the diaphragm muscle, forcing air out while the cilia act like a filter, trapping dust and pollen in the nose. Mucus traps bacteria and viruses to remove or swallow. So, the correct options are A, C and D.
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brainliest:
Describe how a carbon atom is released from a fossil fuel like coal and travels into the atmosphere as a gas. How does it then end up in living things like plants and animals? Explain how carbon ends up back in the ground. Use the following terms in your typed response: CO2, C6H12O6, atmosphere, lithosphere, hydrosphere, biosphere, carbon sink, carbon source.
Explanation:
Animals and plants need to get rid of carbon dioxide (c02), this process is called respiration. Respiration happens when the plant/animal breaths in air and releases it as carbon, carbon then moves from fossil fuels to the atmosphere where they are burned. When humans burn fossil fuels to power cities, power plants, cars, and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas.
What are some benefits to evolutionary adaptations?
Answer:
1.A new species
2.Adding to world population
3.More to learn
Explanation:
Which statement is an example of how structure relates to function?
An allele for purple flowers is dominant and an allele for white flowers is recessive
Mitochondria have a highly folded membrane which increases the amount of ATP that can be made.
DNA transcribes into RNA, and RNA translates into proteins.
Heredity is the passing of genetic information from parent to offspring.
Answer:
Mitochondria have a highly folded membrane which increases the amount of ATP that can be made.
HELP ASAP ! QUESTION IS IN PICTURE !
Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.
Some can force their stomachs outside their mouths to digest prey
A. Sea stars
B. Sea urchins
C. Snails
D. Slugs
Answer:
A. Sea stars
Explanation:
Answer:
sea star
Explanation:
egn
In order to extract DNA from strawberry cells, what will need to happen at the cellular level?
Answer:
Tiene que romperse la membrana plasmática para poder acceder al núcleo de la célula y posteriormente romperse también la membrana nuclear para dejar libre al ADN
Explanation: