Answer:
Mitosis
Explanation:
Mitosis is a cell division process. The 2 cells created are exactly the same, and they have the same number of chromosomes. The result is two, identical, diploid daughter cells. Diploid means that there is 2 complete sets of chromosomes, and one complete set of chromosome pairs.
Meiosis is another cell division process, but the cells created are different from those in mitosis. There are 4 cells created, not just 2. Additionally, the cells produced are not identical. There is variation in the genetics of the daughter cells. This process creates haploid cells, meaning there is only 1 complete set of chromosomes, or half of a complete set.
Therefore, the cell division that results in diploid cells is mitosis.
The type of cell division that results in diploid cells is mitosis. Mitosis is a fundamental process in which a single cell divides into two identical daughter cells, each containing the same number of chromosomes as the parent cell.
The daughter cells produced through mitosis are genetically identical to each other and to the parent cell. Mitosis is involved in the growth, repair, and maintenance of tissues in multicellular organisms. It ensures that the body's cells retain the same genetic information and have the appropriate number of chromosomes (diploid) characteristic of the species. In contrast, meiosis is a specialized type of cell division that results in the formation of haploid cells, which have half the number of chromosomes as the parent cell.
Therefore, the type of cell division that results in diploid cells is mitosis.
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Which best describes a recessive allele?
A) always inherited from a parent when a dominant allele is inherited from the other parent
B) never inherited from a parent when a dominant allele is inherited from the other parent
C) only determines phenotype when a dominant allele for the same trait is present
D) does not determine phenotype when a dominant allele for the same trait is present
Answer:
The correct answer is d.
Explanation:
above is the answer.
Answer:
its D
Explanation:
i did the unit test <^>
Which conditions are essential for the formation of hydric soils?
A. Hi concentration of CO2
B. Hi concentration of sediments
C. Low oxygen levels
D. Warm climates
Answer:
c
Explanation:
Which term refers to a soulution with more of the same kind of molecules outside the cell than inside the cell
hope this helps
answer: hypertonic
A carrot would be an example of a _______ system. The apical meristem and new growth in the roots are protected by the _______. Stems of _______ contain a ring of vascular tissue, which includes the xylem and phloem. Stems thicken to support plants growing taller during _______ growth. _______ regulate the exchange of gases in the leaves and help maintain homeostasis. The leaves are often broad and flat because they are the main site of _______ in a plant. The force that allows water molecules to stick to other water molecules is called _______. The process by which plants release water into the air as vapor, while pulling more water upward into the leaves is called _______. Respond to the following based on your reading. Explain, in your own words, the role of cohesion and adhesion in plant transpiration. What are several adaptations that leaves have undergone? Why do leaves have adaptations in different parts of the world? Choose three nutrients and explain how a plant may look if it has a deficiency in those nutrients.
Answer:
taproot
root cap
dicot
secondary
Stomata
photosynthesis
cohesion
transpiration
Cohesion describes water molecules sticking together, while adhesion allows them to stick to the sides of the xylem that runs up the plant stem. When water at the top of this chain breaks free and evaporates from the leaf, it pulls on the water molecules behind it. In this way, water molecules are pulled up the plant stem from the roots and into the leaves.
Leaves have adaptations such as broad or narrow widths, rounded or pointy tips, and straight versus many vertices. These adaptations allow different species of plants to optimize water retention and photosynthesis in different climates (in other words, cloudy, sunny, rainy, dry).
Answers will vary based on the three nutrients selected. Here is a model response: Plants can show many different deficiencies based on their nutrients. An iron deficiency will result in yellowing or brittle leaves. A potassium deficiency causes leaves to turn yellow at the edges and phosphate deficiencies cause plants to have darker green than normal leaves.
Explanation:
A carrot would be an example of a taproot .
stomata regulate the exchange of gases in the leaves and help maintain homeostasis.
The leaves are often broad and flat because they are the main site of photosynthesis in a plant.
The force that allows water molecules to stick to other water molecules is called hydrogen bond .
The process by which plants release water into the air as vapor, while pulling more water upward into the leaves is called transpiration.
The role of cohesion and adhesion in plant transpiration ?Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the phloem.
Several adaptations that leaves have undergone?They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out.
Why adaptations of plants in different habitats occur?Plants adapt or adjust to their surroundings. This helps them to live and grow.
What are the 3 most common nutrient deficiencies in plants?
The nutrients most commonly deficient in plants are phosphorus, nitrogen, and iron.
Nutrient deficiency symptoms occur as yellowing of leaves, interveinal yellowing of leaves, shortened internodes, or abnormal coloration such as red, purple, or bronze leaves.
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Which of the following enzymes unwind and open the DNA double helix at the start of DNA replication?
Group of answer choices
Helicase
Telomerase
DNA Polymerase
DNA Ligase
Answer:
Helicase
Explanation:
DNA helicase removes the hydrogen bonds that connect the bases of each DNA strand, which allows for the replication of strands
Answer: Helicase
Explanation: I just took a quiz and got it right :)
Which of these is the BEST source of stem cells and minimizes the risk associated with stem cell transplantation?
Select one:
a. Stem cells from rejected grafts that initiated an immune response.
b. Stem cells preserved from the umbilical cord of the person.
c. Stem cells from a donor having the same blood group.
d. Stem cells from a donor who is the same age as the patient.
Answer:
B. Stem cells preserved from the umbilical cord of the person.
Explanation:
Explain how guard cells work.
Answer: Protects the cell
Explanation: THE GUARD cell helps protect the cell as a Secretary of a place it knows what minerals to allow in the cell for it to nourish and what to block
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Answer:
The guard cells help to protects the cell
Explanation:
A farmer has applied a pesticide to control a pest population that is affecting her crops. The pest population has reacted as shown below.
A chart begins with 4 green bugs and 1 brown bug. The brown bug survives and produces brown offspring.
Which best describes the process that the pest population has experienced due to this environmental change?
genetic diversity
natural selection
natural resistance
gene flow
The correct answer is option B. natural selection.
What is Natural Selection?Natural selection is a natural process in which well-adapted organisms tend to survive and reproduce more than less-adapted organisms. For example, tree frogs can be eaten by snakes and birds. This change means that some individuals have more environmentally-adapted traits than others, and their offspring are scarce. There is no doubt that natural selection has shaped the evolution of humankind in our farther past.
Natural selection is an inevitable result of three principles. Most traits are inherited, producing more offspring than can survive, and offspring with more favorable traits survive and have more offspring than individuals with less favorable traits.
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Answber:
the answer is B
Explanation:
What happens in meiosis I that does not occur in meiosis II?
-cytokinesis takes place
-nuclei divide
-DNA is copied
-haploid cells form
Answer:
DNA is Copied
Explanation:
how does predation cause stability in an ecosystem
Answer:
Predation makes sure that no species becomes overpopulated.
Explanation:
For example, between a fox and a rabbit. If the fox was not the predator, the rabbit population would be out of control. Rabbits eat grass and stuff so too many rabbits will eat all the grass. There will be a chain effect. Foxes are needed to control the rabbit population and restore stability in an ecosystem
Scientists define the current period of time as the Anthropocene, or "age of humans." Which statement best describes the role of humans during the Anthropocene?
Answer:
The correct answer is "Human activities have become the major cause of global change".
Explanation:
The missing options of this question are:
A) Humans are the most numerous species on Earth.
B) Humans live in all habitats where life exists.
C) Human activities have become the major cause of global change.
D) Human activities are achieving the goal of maintaining the Anthropocene indefinitely.
The correct answer is option C) "Human activities have become the major cause of global change".
The Anthropocene is a period of time that more than be dated by an historical event, is identified on a geological perspective by the time at which human activity was of significant impact on Earth's geology and ecosystems. This impact include climate change, affected mainly by the concentrations of carbon dioxide in the atmosphere. For instance, it is reported that in pre-industrial times the concentration of carbon dioxide in the atmosphere was of 280 parts per million (ppm), while by 2014, it is reported that it rose up to 400 ppm.
Question 1:
On the basis of these data, which group of robins most likely shares a most recent common ancestor
with the Norfolk Island robins?
Hello. You forgot to enter the necessary data for this question to be answered. The data are shown in the figure attached below:
Answer:
Red-capped Robin is the group of Robins that share a more recent common ancestor with the Norfolk Island robins.
Explanation:
Red-capped Robin is the group of Robins that share a more recent common ancestor with the Norfolk Island robins, this can be seen by the degree of genetic similarity between these two species, since the Red-capped Robin has 98.2% of genetic similarity .
When two species have the same common ancestor, these species have great genetic similarity and the more recent this ancestry is, the greater the genetic similarity between the species.
What house does a shetland sheepdog belong too.
a. sporting
b. working
c. toy breed
d. herding
e. non-sporting
f. terriers
g. hounds
Which level of organization is seen in both arachnoidiscus ehrenbergi and the human stomach
Answer: cell tissue organ and organ system.
Explanation:
it's A:cell your welcome
Beyond their role in energy transfer, what other benefit do microorganisms that act as producers provide for ecosystems?
How are microorganisms involved in the movement of nitrogen from the atmosphere to the bodies of other organisms? Why can’t other organisms just get nitrogen from the air?
What is the benefit of using marine microorganisms such as Dumaliella tertiolecta to produce biofuels instead of using plants?
Answer:
The microorganisms present metabolic wastes that serve as the primary source of food for other living things.
Bacteria that live free in the soil or in symbiosis with plants are essential to fix nitrogen, both nitrates and ammonia. These bacteria take nitrogen directly from the air, originating compounds that can be incorporated into the composition of the soil or living beings.
This property is restricted only to prokaryotes and is widely distributed among different groups of bacteria and some archaeobacteria. It is a process that consumes a lot of energy that occurs with the mediation of the enzyme nitrogenase, which the rest of the living organisms that cannot do or comply with this process is because they lack said enzyme.
Dunaliella is a genus of microscopic algae of the Chlorophyceae class and of the order Volvocales. All are unicellular, although with very varied morphologies.
Morphologically, its main characteristic is that they lack a rigid polysaccharide cell wall.
The ecology of this genus of green algae is characterized by its high tolerance to salinity, with eukaryotic organisms having greater tolerance to salt. They are euryhaline, adapted to salt concentrations from 50 mM NaCl to almost 5.5 M NaCl.
Explanation:
By nitrogen fixation is meant the combination of molecular nitrogen or dinitrogen with oxygen or hydrogen to give oxides or ammonia that can be incorporated into the biosphere. Molecular nitrogen, which is the majority component of the atmosphere, is inert and not directly usable by most living things. Nitrogen fixation can occur abiotic (without the intervention of living beings) or by the action of microorganisms (biological nitrogen fixation). Fixation in general involves the incorporation into the biosphere of a significant amount of nitrogen, which globally can reach about 250 million tons per year, of which 150 correspond to biological fixation.
What kind of damage are coniferous trees resilient to
Answer:
The trees acclimate to the cold in the winter, but rapid temperature changes can still cause damage. New growth on trees and seedlings are more vulnerable to freezing damage. If a cold snap comes in the spring after new buds begin to grow, they can be killed.
Explanation:
Which scenario would most likely result in the extinction of one or more species
Answer:
b
Explanation:
Answer:
b
Explanation:
Answer: The scenario which would most likely result in the extinction of one or more species is A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.Oct 8, 2020
Summarize environmental change!
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Starts at a promoter and ends at a termination signal
A. Transcription
B. Translation
C. Replication
Answer: The answer is A, Transcription
Which illustration depicts homologous chromosomes? A single chromosome is shown. 2 identical chromosomes are shown.2 identical chromosomes are shown. A single chromosome is shown. 2 identical chromosomes are shown. 2 identical chromosomes are shown.
Answer:B
Explanation:
D is a Chromatid
Answer:
B.
Explanation:
what 3 things can make food an extra?
Answer:
Gemstone Soap. Many people make and sell their own soap. For it to take off and be a consistent …
DIY Gold Dotted Champagne Flutes. Do you live around vineyards? Are you someone who hosts …
DIY Gold Decorated Clay Jewelry Dish. If you wear a great deal of jewelry, you’ll appreciate this …
Makeup Brush Roll. I wear makeup, but I’m far from a makeup professional. However, my husband …
Explanation:
Primary consumers are organisms that directly feed on producers.
List the organisms that would be classified as primary consumers:
Answer:
Mice
Grasshoppers
Squirrels
Rats
Horse
Cow
Pig
Chicken
Sheep
Goat
Do you think Biotechnology can be used in anyway in a case where someone has been bit by a venomous snake? If so how?
Answer:
Snake biting is a major public health problem for low-income countries. Till now only antiserum derived from animals are use for the treatment against snakebite venom.
But there are many innovation in biotechnology to manufacture antivenoms against venomous snake. Some of the innovations are as following:
Use of DNA immunisation techniques: In this technique, horses are immunised with toxin-encoding DNA and then antivenom is prespraed from their DNA.Recombinant antivenoms: in this technique antibodies in the animal-derived antivenom are replaced with recombinant human version and then entivenom will be prepared by cell cultivation.These innovation in biotechnology for the preapartion of antivenoms are easier to produce and more cost-effective.
What nutrients cause nutrient pollution when in excess
Answer:
Nutrient pollution is caused by excess nitrogen and phosphorus in the air and water. Nitrogen and phosphorus are nutrients that are natural parts of aquatic ecosystems. Hopefully this helps!
When in U.S, history did pollution start to become an issue? Explain why pollution was not an issue prior to this time period.
Answer in at least 3 complete sentences.
Answer:
pollution began to be a problem in 1800's.
Explanation:
more people meant more rubbish. industry also added to this
Which event led to a sudden growth in the human population size? 1 point World War II the Irish Potato Famine The Black Death The Industrial Revolution
Answer:
it led into somebody not growing in the human population
Explanation:
The sequence of amino acids was controlled by
the information in the
RNA molecules.
Answer:
RNA determines the sequence of amino acids in proteins and polypeptides by a two-step process: transcription of DNA produces mRNA in the nucleus, then translation of the mRNA to tRNA takes place in the ribosome in the cytoplasm. ... The sequence of amino acids was controlled by the information in the molecules
Answer:
the answer is RNA
Explanation:
Biodiversity can be leered by_____?
Answer:
C
Explanation:
Answer:
C. All of these
Explanation:
Hope this helps : )
How can we recognize non-renewable resources and work to preserve them as long as possible?
Help.. (correct answers only) Studying DNA to find evolutionary similarities among organisms is a
type of _____ evidence.