To date, less than 20 percent of eukaryotic species have been identified and named. It is estimated that there are millions of eukaryotic species on Earth, including plants, animals, fungi, and protists.
Eukaryotic refers to organisms that have eukaryotic cells. Eukaryotic cells are characterized by the presence of a nucleus, which contains the organism's genetic material (DNA) surrounded by a membrane. In addition to the nucleus, eukaryotic cells also have various other membrane-bound organelles, such as mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes, which perform specialized functions within the cell.
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How many molecules of carbon dioxide are produced from the process of cellular respiration of one glucose molecule?
Answer:
During this stage, two turns through the cycle result in all of the carbon atoms from the two pyruvate molecules forming carbon dioxide and the energy from their chemical bonds being stored in a total of 16 energy-carrying molecules (including 4 from glycolysis
Explanation:
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Ronald observes a sparrow's nest in a shrub outside his home. The table below describes his findings.
Week
Observations
1
Six eggs were laid in the nest.
3
Five eggs hatched, and one egg did not hatch.
One of the chicks disappeared.
7
Three of the chicks learned to fly, and another one disappeared.
What part of natural selection did Ronald observe?
adaptation
overproduction
selection
variation
Answer:
B. Overproduction
Explanation:
Overproduction is one of the main part of natural selection whereby an organism reproduces more offspring, of which only a few would be able to survive given the environmental condition amd factors that would be against the survival of the offspring to maturity.
From Ronald observation, we can see that the bird produces more eggs than would survive. Only 3 of the chicks survived.
Evaluate the model of translation. What does it show to be the result of translation? A) formation of a protein B) formation of a ribosome synthesis of a carbohydrate D) translation of mRNA's code
Answer:Formation of a protein
Explanation:
Answer:
A. Formation of a protein
Explanation:
why are there 2 hydrogen atoms and only one oxygen
Answer:
Oxygen is an electronegative
Explanation:
Not only is it because in the chemical equation for water there is 2 hydrogen atoms and 1 oxygen atom, but they also share their electrons to fill their outermost levels and that are attracted together.
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Which of the following describes humidity?
The temperature of the air
The weight of the air pressing down on you
The amount of water vapor in the air
The direction the wind is blowing
Answer:
Humidity describes the amount of water vapor in the air, and the more water vapor that is present, the more humid it is. ... This is the amount of water vapor in the air relative to what the air can hold. This is just like figuring out how much water is in a cup relative to the total amount of water that cup can hold.
How do living organisms return carbon to the atmosphere in the carbon cycle
Answer:
Carbon enters the atmosphere as carbon dioxide from respiration and combustion. Carbon dioxide is absorbed by producers to make glucose in photosynthesis
Living organisms return carbon to the atmosphere in the carbon cycle by two process namely respiration and combustion. Carbon dioxide is absorbed by producers to make glucose in photosynthesis.
What is photosynthesis?
A photosynthesis is a biochemical process which occurs in plants, algae, and bacteria, when they are exposed to sunlight. During photosynthesis, water and carbon dioxide join to form sugars and give off oxygen.
Respiration is defined as the inhaling of oxygen and the exhaling of carbon dioxide and combustion is defined as the process in which a substance burns in the presence of Oxygen, produce off heat and light in the process.
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A woman with blood type O has a baby with blood type A. She claims that the baby was fathered by a man with blood type AB. Is this possible?
Answer:
This is possible.
Explanation:
The man's AB blood will dominate over the recessive O blood of the mother. The possible outcomes shown by a Punnett Square are A and B children.
Which organisms are producers?
A.cactus and insect
B.cactus and lizard
C.cactus and sage bush
D.sage bush and lizard
Scientists study telomeres in order to understand more about
Answer:
They study telomeres to understand the structure of life and death when cells and organs wear out.
Explanation1:
It's the specific DNA of protein structured found a both ends of each chromosome
Explanation2:
Definition: A compound structure at the end of a chromosome.
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Spider silk is a material made of proteins that has a strength per gram that is five times that of steel. One feature of some of the toughest spider silks is a high proportion of β sheets that stack tightly together to form crystal-like arrays. Which amino acids would you expect to be common in such crystalline stacks and why?
Answer:
glutamic acid, because the R group could form ionic bonds
arginine, because the R group could form ionic bonds
tryptophan and tyrosine, because the R groups are small, allowing close stacking
glycine and alanine, because the R groups are small, allowing close stacking
which phase best describes meiosis I?
Answer:
Division of homologous chromosomes.
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A student uses a marble simulation to illustrate genetic drift. She starts with a
population of 50 individuals, represented by 25 red marbles and 25 blue marbles.
The red marbles represent an allele for pointed ears ih mice, and blue marbles
represent an allele for rounded ears. Which statement below is true?
The allelic frequency for rounded ears is 25.
The allelic frequency for pointed ears is 75 (75%).
The allelic frequency for rounded ears is 1.0.
The allelic frequency for pointed ears is 0.5 (50%).
Answer:
The allelic frequency for pointed ears is 0.5 (50%).
Explanation:
The frequency of alleles in a population must add up to 1 (100%).
The allelic frequency for pointed ears is 0.5 (50%).
What is allelic frequency ?The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.
What is the difference between gene frequency and allele frequency?Gene frequency, which more or less refers to the allele frequency, is the measurement where the number of repeats of the same allele is measured over a certain period of time.
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what are the pros and cons of online school
Answer:
The Pros and Cons of Studying Online
Pro: Increased Flexibility. The biggest advantage to studying online is the increase in flexibility. ...
Con: Reputation. Many firms and institutions are quick to dismiss an online education. ...
Pro: Ease of Access. ...
Con: Lack of Social Interaction. ...
Pro: More Affordable. ...
Con: Fewer Courses.
Pros of Online Schools:
Time flexibility.
Availability.
24/7 access to course material..
Location flexibility.
Zero commute.
Self-Direction.
Multi-media presentations.
Variety of course options.
Cons of Online Schools:
Limited interaction with instructor.
Technology requirements.
Social interaction.
Campus environment.
Time management.
Stigma.
Credit transfer.
Financial aid.
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Difference between eukaryotic cells and prokaryotic cells.
I hope this helps you
........
Answer:
eukaryotic cells are those which have a membrane-bound nucleus that contains genetic material, as well as organelles that are also membrane-bound. Whereas, prokaryotes are cells that don’t have a nucleus or membrane-encased organelles.
Explanation:
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Can someone answer this for me?
Answer:
Outside
Explanation:
The word outside makes the most sense in this sentence.
Hope it helps!
Realiza un esquema de la clasificación de los nutrientes, y enliste los alimentos en los que consten características, dónde se encuentran y función
Answer:
Carbohydrates
Protein
Fat
Vitamin
Minerals
and Water
Explanation:
Carbohydrates
Carbohydrates are energy giving foods, sources are Honey, maize, rice and sweet fruits.
Protein
Protein is required for the growth, sources are meat, egg, fish, cheese and milk.
Fat
Fat is concentrated source of energy, sources are sesame and sunflower oils.
Vitamin
Vitamin is body building, sources are fruits.
Minerals
Minerals are also a kind a vitamin which is important for different functions of the body, sources are sodium, fluorine and potassium.
Water
Water is for hydration of the body, source is water
ALL of the following conditions can lead to a dramatic decline in the size of the population for
a given species EXCEPT...
-Pollution
-Eradication of invasive species
-Loss of habitat.
-Overhunting
-Climate change
Answer:
Pollution
Explanation:
what releases carbon dioxide into the atmosphere
Answer:
Carbon Dioxide Emissions: Human Sources
Human activities such as the burning of oil, coal and gas, as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere.What are three reasons Carbon is an important molecule for living organisms?
Can someone help me really quick!!
Answer:
12 degrees C
Explanation:
12 C = 53.6 F
What are ethical concerns in using animals for research?
Select all that apply.
Animals cannot consent to being used in experiments.
Animals are ideal biological models for experiments
Many animals can be studied at one time.
Some animals may have adverse reactions.
Answer: Animals cannot consent to being used in experiments.
Explanation:
Animals are not suitable options for the biological research as they are getting extinct and their population size is getting decreased. Option A is correct.
What are extinct species ?These are the species that are getting diminished from planet because of certain factors such as loss of habitat and many other crucial factors that affecting their growth.
Animals can not be used in the biological research as they are not able to speak the language which is understood by humans and ideally it is not right to do dissection over living beings.
Animals earlier were definitely considered for the experiment but the awareness of ethics and sensitivity of the issues is bringing down the ban on the animal crimes along with the lab research.
Ethical concerns are as well that without God's permission it is not right to harm the living beings.
Therefore, option B is correct.
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Reproduction is not a life process still organisms spend a lot of energy on it. Give reason.
Answer:
Reproduction is not a life process, but still organisms spend a lot of energy on it. ... The reproduction is not necessary to ensure living but it is required to ensure that the continuation of the living organisms and generations of the next cycle of living. It is necessary for ensuring the stability of the population.
Reproduction also helps in increasing the population of the species. All the processes which are necessary to maintain life in an organism are called life processes. Reproduction is not considered a life process because it is not necessary to maintain life.
9 What happens to oceanic plates at convergent boundaries? A One is forced underneath the other to form trenches B. They move in opposite directions C They get bigger as new crust is formed D They push against each other to form ridges 9 of 10
Answer:
a
Explanation:
In this food web, birds would be classified as
A)
carnivores.
B)
decomposers.
herbivores.
D)
omnivores.
Answer:
D) omnivores.
Explanation:
The bird consumes both plants and arthropods
Answer:
omnivores
Explanation:
omnivorous consumers. they eat other animals like snails and worms but they also eat berries.
How is carbon recycled in photosynthesis and cellular respiration ?
What events occur when the tectonic plates move and grind against each other?
Answer:
Earthquakes
Explanation:
Since the Tectonic Plates slide across each other it cause some to go above and some below which might eventually cause an earthquake.
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Evolution occurs only when the conditions of Hardy-Weinberg equilibrium are not satisfied. What are the conditions for maintaining Hardy-Weinberg equilibrium in a population of beetles for evolution? Drag each sentence into the correct box.
Conditions for Hardy-Weinberg equilibrium Conditions for evolution to occur
Answer: CONDITIONS FOR HARDY
No mutations should appear in the beetle population because new alleles would change the allele frequencies
There should be random mating among beetles
There should be no natural selection on the beetle population
The population of beetles must be large enough so that genetic drift is avoided
There should be no migration of beetles into or out of the population.
CONDITIONS FOR EVOLUTION-
Natural selection favors green beetles
Purple mutants appear among the Beatles
Preferred mates are red, so these individuals reproduce
Large numbers of brown beetles were killed in a forest fire
A significant number of yellow beetles left.
Explanation: I only added about half the sentence of each answer because it’s to long.
Which generalization can be made from the data in the table?
1.The higher the temperature, the fewer chirps there will be in 10 seconds.
2.The chirps occur closer together as the temperature increases.
3.The chirps become farther apart as the temperature increases.
4.There is no relationship between temperature and the time between chirps.
Answer:
answer is C
Explanation:
it's according to the table as temperature has increased chirps has gradually decreased.
Answer:
The correct answer is B.
Explanation:
The chirps occur closer together. I took finished my test!
I HAVE BEEN STUCK HERE FOR 5 MINUTES...!
vague repetitive pictures
Answer:
Should be C
Explanation:
D is wrong because standing out should mean they are spotted more easily, which means they get hunted down more often/ prey spot them easier
B is kind of weird because larger population = more competition, and I remember owls work alone
A is suspicious because they are both tawny owls and I don't understand how less food they need to be significant
C sounds plausible because the gray feather can be a "stronger" gene or something