drag each micrograph to the target that indicates the stage of mitosis or cytokinesis it shows.
Answers
Mitosis occurs after the interphase and involves four stages. After mitosis event occurs cytokinesis. The correct order is 1A, 2F, 3E, 4B, 5C, 6D.
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Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
First occurs duplication of the cell content, and then the separation into two new cells happens.
Mitosis occurs in only one phase.
• In the prophase, it occurs chromosomes condensation and nuclear membrane breaks.
• During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.
Each chromatid joins with a microtubule of opposites poles.
• In Anaphase, bonds between chromatids break. They separate and migrate to the opposite poles.
• In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.
• Finally, cytokinesis occurs. Through invagination of the cell membrane, the cells and their cytoplasmatic content get separated.
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how does the inclusion of cholesterol affect animal cell membranes?
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Answer:
juiuiuiuiuiuiuiuiuiuiuiuiuih0[niiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiijuj
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The question is in the picture
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protein specifically an amino acid
which features are found only on thoracic vertebrae?
Answers
Answer:
The characteristic feature of thoracic vertebrae is the presence of joints that articulate with ribs. A mid-thoracic vertebra (shown here) has two joint facets on the vertebral body for the heads of adjacent ribs, and a third joint facet on the transverse process for the neck of a rib.
Explanation:
The negative membrane potential in a resting neuron is primarily due to :___________
a. high levels of chloride ions in the cell. diffusion of potassium out of the cell.
b. a higher permeability of the membrane for potassium compared to sodium.
c. both diffusion of potassium out of the cell and a higher permeability of the membrane for potassium compared to sodium are correct.
Answers
Answer:
c
Explanation:
When the membrane of the neuron is in a state of rest, the interior of the cell has a more negative charge in relation to the exterior, therefore option "c" is correct.
What is the membrane potential in a resting neuron?It is a phenomenon that occurs when the nerve cell membrane is not altered by action potentials.
Characteristics of a resting neuronThe resting potential is determined by the concentration gradients of the ions, both inside and outside the neuron, and by the permeability of the membrane.When a cell is at rest, the potassium channels are open, the potassium will tend to flow outwards (K ions), they are positive charges, therefore the cell interior will be negative with respect to the cell exterior.Therefore, we can conclude that the resting potential of a membrane occurs when they are not transmitting signals.
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Explain what a basal cell is and why they are so important to the rest of the epidermis.
Answers
Answer:
The basal cell layer contains cells called melanocytes. Melanocytes produce the skin coloring or pigment known as melanin, which gives skin its tan or brown color and helps protect the deeper layers of the skin from the harmful effects of the sun.
A pH of 7, [H+]=[OH] below pH 7, which of these is greater_____. Bases have a pH that is ______ than 7
Answers
Answer:
below pH 7 H+ is greater because hydrogen ions are produced only by acids in an aqueous solution and acids have a pH below 7
bases have a pH that is greater than 7.
what is a common characteristic of a syndesmosis and a symphysis?
Answers
Answer:
Both may be slightly moveable
In a 200m race, athletes sprint the entire length. What type respiration is most likely occurs near the finish line.
Alcoholic fermentation
Photosynthesis
Aerobic respiration
Latic Acid Fermentation
Answers
Answer:
Running can take many forms, from a leisurely jog to an all-out sprint. But no matter what kind of running you do, your body needs to power itself through respiration. Lighter, long-distance running causes your body to use aerobic respiration, while more intense sprinting and interval training requires anaerobic respiration.
Explanation:
PLEASE ANSWER ASAP BRAINLEST
How do adjacent cells that are not directly attached communicate? please explain in detail and explain as much you can please!
Answers
Answer:
Cells usually communicate by using chemical signals, these chemical signals which are proteins or other molecules produced by a sending cell, are often secreted from the cell and released into the extracellular space.
hopefully this helped sorry if i didn't get to explain more thoroughly.
Question 1(Multiple Choice Worth 2 points)(05.05 MC)How does the human immune system initially respond to a pathogen?
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Immediately, the pathogen has been recognized:
Macrophages acts as the first line of defence by engulfing pathogens identified by antigens which will now present the antibody shape to a helper T cell.
The Helper T cells produce a signal to plasma and Memory B cells to yield antibodies that attach to the antigens. The cytotoxic cells that leads to cell death are activated by the helper T cells.
Antibodies helps to immobilize pathogen for macrophage to feed on.
if the pathogen comes back a 2nd time the memory cells helps in quick and efficient recovery by producing the specific B and T cells for the antigen.
Review this scenario. Rainbow trout are a freshwater fish native to streams and lakes along the western coast of North America. While studying streams in the eastern United States, an ecologist noticed that rainbow trout were abundant in the ecosystem, but other native species of fish were almost entirely missing. She also observed lower populations of macroinvertebrates. The ecologist wondered why there were so few native fish species and macroinvertebrates. By reading ecological reports of the area, the scientist learned that rainbow trout had been introduced to the streams for sport fishers to catch. Initially, 100 fish had been introduced, but the ecologist conducted a field survey and estimated that over 1,000 rainbow trout now lived in the streams. She also read from other studies that rainbow trout feed primarily on macroinvertebrates. Which question most closely relates to the ecologist's observations and the collected scientific data on river ecosystems? Do the native fish species have a disease? Are rainbow trout displacing native species by outcompeting them for food? Did pollution kill off the native fish species? Why are there so many rainbow trout in the streams?
Answers
The question that best relates to the ecologist's observations and the scientific data collected on river ecosystems is:
Is rainbow trout crowding out native species by competing with them for food?
The previous question that the ecologist very possibly must ask is due to the overabundance of rainbow trout and the very low number of native species.
In order for rainbow trout to adapt and reproduce quickly, it has had to feed on macroinvertebrate species, affecting the native fauna of this ecosystem and causing the displacement of other native species and even death due to lack of food.
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Similarities between eukaryotic cells and prokaryotic cells
Answers
this is a chart I used a long time ago and help me learn this assignment when I was younger I hope this helps
What are somw factors that will affect how well enzyme works
Answers
Answer:
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate
Explanation:
What is the correct order of the levels of organization in a living
thing, starting with the smallest level?
Answers
Scientist prefer to use the term global warming because it
encompasses all the issues caused from an increase in the Earth's temperature.
True
False
Answers
Hi how is your day
when packaged in the virion, the complete complex of nucleic acid and protein is known as the virus
Answers
Answer:
nucleocapsid
Explanation:
(just trying to hit 20)
how many species of finch are there in the galapagos?
Answers
Answer:
There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the islands only a few million years ago. How many of the species of finch eat insects? Fourteen finch species are found only on these islands.
Explanation:
Answer this question pls
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bruv the question is so blurry its impossible to see take a pic from your phone and I'll answer it
What type of epithelial cells would you likely find on the surface of mucous membranes? Explain why
Answers
Answer:
simple columnar epithelial tissue or Stratified squamous nonkeratinized epithelium
Explanation:
Most mucous membranes contain stratified squamous or simple columnar epithelial tissue. The epithelial tissue sheet lies directly over the layer of loose connective tissue called lamina propria.
Compare sight with other senses
Answers
Answer:
A) taste and smell
Explanation:
A common mineral found in igneous rocks is the most abundant mineral in detail sedimentary rocks
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Answer:
Feldspar
Explanation:
the main function of the inflammatory response is to
Answers
Answer:
The inflammatory response is a defense mechanism that evolved in higher organisms to protect them from infection and injury. Its purpose is to localize and eliminate the injurious agent and to remove damaged tissue components so that the body can begin to heal.
Explanation:
Which of the following is an example of an r-selected species?
most insects
elephants
oak trees
whales
humans
Answers
Answer:
Examples of r-selected species include pest organisms, such as rodents, insects, and weeds.
Explanation:
Most of the insects are the R-selected species. Hence, the correct option is A.
What are R-selected species?These are the organisms having reproductive strategy that is characterized by high reproductive rate, short life span and numerous offspring with a low level of parental investment.
They are often found in environments that are unpredictable and change rapidly, and they are well adapted to these conditions because of their ability to produce numerous offsprings.
The large number of offspring increases the chances of survival for at least some offspring, even if the environment changes or if only a few survive. Examples-Certain insects, rodents, and some plants. Hence, the correct option is A.
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What Type: of cells go through the special cell division process of meiosis?
1. gametes
2. lymphocytes
3. neurons
4. hepatocytes
Answers
The special cell division process of meiosis is undergone by gametes, which are reproductive cells responsible for sexual reproduction. Thus, correct answer is option (1).
Meiosis is a special type of cell division that only takes place in organisms that reproduce sexually. , which are sex cells like eggs and sperm, are produced as Gametesa result of two sequential divisions. Gametes have half as many chromosomes as parent cells, ensuring that the offspring they create during fertilization will have the right number of chromosomes.
Gametes are created by meiosis to retain genetic variation in the population, as opposed to somatic cells, which go through mitosis to produce identical duplicates. Hepatocytes, lymphocytes, and neurons all go through mitosis or perform certain bodily roles; none of these cells go through meiosis.
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The thoracic cavity is ____ to the abdominal cavity
Answers
Answer:
The thoracic cavity is SUPERIOR to the abdominal cavity
Answer:
Superior
Explanation:
If you need more help on this assignment
*The Language of Anatomy Review Sheet 1* on Quizlet can help you
Help please!!! ( No links aloud )
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_| \_
Answers
Answer:
i would say you can go to a link but no link T-T
Explanation:
RNA Polymerase (an enzyme) links RNA nucleotides together by catalyzing the formation of bonds during transcription. In this reaction, what is the substrate?
A. DNA polymerase
B. RNA nucleotide
C. RNA polymerase
D. Protein
Answers
Answer:
C. RNA Polymerase
Explanation:
The cell membrane's function is to..
O allow nutrients in, and send wastes out of the cell
O to control the amount of water that enters the cell
O to block all nutrients from entering the cell
Answers
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
Help it literally just 9th grade biology
Answers
Answer: S
Explanation: In the eukaryotic cell cycle, chromosome duplication occurs during "S phase" (the phase of DNA synthesis) and chromosome segregation occurs during "M phase" (the mitosis phase).
If the measures of two angles of a triangle are 91 and 11°, what is the measure of the third angle?
HERR
The measure of the third angle isº. (Simplify your answer.)
Answers
Answer:
If I understood your question in the right way, 78°
Explanation:
Cuz, the sum of all 3 internal angles of a triangle is 180°.
180°=91°+11°+x
180°-(91°+11°)=x
78°=x
