The steps of mitosis are in the order of prophase, metaphase, anaphase, telophase.
What are mitosis and its four stages?Mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei.
Mitosis comprises four basic phases: prophase, metaphase, anaphase, and telophase. These phases occur in this strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. The mitotic phase is a relatively short period of the cell cycle. It alternates with the much longer interphase, where the cell prepares itself for the process of cell division. Interphase is divided into three phases: G1 (first gap), S (synthesis), and G2 (second gap).
Thus, the order of phases in mitosis is in the order of prophase, metaphase, anaphase, telophase.
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Abe knew from his anatomy class that there are three different kinds of muscle tissue in the body. He knew lifting weights would help build the skeletal muscle and that running was good for cardiac muscle health. He was surprised to find out that his blood vessels had smooth muscle, so his exercise regimen was actually benefitting all the muscle types of his body. Correctly sort each of the characteristics into the appropriate category.
Answer:
Three different kinds of muscles are -:
SKELETAL MUSCELES CARDIAC MUSCLES SMOOTH MUSCLESExplanation:
SKELETAL MUSCLES -: There are long, cylindrical, and striated skeletal muscle cells. They are multi-nucleated, which means they have more than one nucleus. This is because from the fusion of embryonic myoblasts, they are created. Each nucleus controls the sarcoplasm's metabolic demands around it. There are high energy requirements for skeletal muscle cells, because they contain several mitochondria in order to generate adequate ATP. Examples of skeletal muscles: arms and legs- The muscles that belong to the arms and legs feature in pairs. Abdomen and Back- These muscles are connected to the various sets of skeletal muscles that run across the torso.CARDIAC MUSCLES -: Cardiomyocytes have a short and narrow outline and are fairly rectangular. They are about 0.02 mm wide and 0.1 mm (millimetres) long, respectively. There are many sarcosomes in cardiomyocytes, which provide the required energy for contraction. Cardiomyocytes usually contain a single nucleus, unlike skeletal muscle cells. Cardiomyocytes, although they contain more sarcosomes, normally contain the same cell organelles as skeletal muscle cells. example - cardiac muscle is present in heart. SMOOTH MUSCLES -: Smooth muscle cells have a single central nucleus and are spindle-shaped. They range in length from 10 to 600 μm (micrometers), and are the tiniest type of muscle cell. In the expansion of organs like the kidneys , lungs, and vagina, they are elastic and therefore essential. As in cardiac and skeletal muscle, the myofibrils of smooth muscle cells are not aligned, meaning they are not striated, hence the term smooth. example of smooth muscles -: Walls of blood vessels , Walls of stomach , Ureters , Intestines , In the aorta (tunica media layer), Iris of the eye. ,Prostate and Gastrointestinal Tract.Soft tissues composed of long cells are called muscles. They are of various types like cardiac, skeletal and smooth based on their functions and locations.
What are the characteristics of the various muscles?Skeletal muscles are cylindrical and striated muscles that have many nuclei and are voluntary. They have many mitochondria in them and have higher energy expenditure and generation. They are found in the arms, legs and abdomen region.
Smooth muscles are longitudinal and spindle-shaped muscles and are uninucleated. They are non-striated, lacks sarcomere and are elastic. They have the greatest capability of regeneration and are found in the intestines, eyes, stomach and many other organs.
Cardiac muscles are the muscles made up of cardiomyocytes and have many sarcomeres, and gap junctions for the coordinated contractions. The muscles are connected by intercalated discs and have rhythmicity. They are found in the heart.
Therefore, cardiac, smooth and skeletal are the types of muscles.
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In humans, which cell is produced most directly by mitotic cell division?
Answer:
When a cell divides by way of mitosis, it produces two clones of itself, each with the same number of chromosomes. When a cell divides by way of meiosis, it produces four cells, called gametes. Gametes are more commonly called sperm in males and eggs in females.
Explanation:
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In humans, Mitosis organic process produced the cells named daughter cells.
In mitosis, nuclear division in eukaryotic cells occurs when a parent cell divides to provide two identical daughter cells.
There are two ways cellular division can happen in humans-
When a cell divides by way of mitosis, it produces two clones of itself, each with an identical number of chromosomes.
When a cell divides by way of meiosis, it produces four cells, called gametes.
What cells do mitosis the most?
Mitosis occurs whenever more cells are needed. It happens throughout the whole lifespan of a living organism (human, animal, or plant) but most rapidly in periods of growth. This means, in humans, the fastest rate of mitosis happens within the zygote, embryo, and infant stages.
Therefore, mitosis cell division produced daughter cells in humans.
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Which element does not exist as a gas in the atmosphere?*
carbon
hydrogen
nitrogen
oxygen
phosphorus
Answer:
Carbon does not exist as a gas in the atmosphere. I hope this is the answer
All eukaryotic cells have a.
a covering called a membrane that surrounds the cell and controls what information and materials enter and leave it.
b. an internal fluid that gives shape to the cell and supports the other things within it.
c. a central zone or nucleus that contains the cell’s genes.
d. All of the above
Answer:
All eukaryotic cells have a membrane that covers them, internal fluid and a central nucleus, so the correct answer is option d (All of the above).
Explanation:
Eukaryotic cells are those that possess a plasma membrane that surrounds them, acting as a semi-permeable membrane to the passage of substances, in addition to possessing the capacity to receive external signals.
The cytoplasmic membrane of eukaryotic cells is related to an endomembrane system, associated to cytoplasmic organelles and to the central nucleus, which stores genetic information, in the form of DNA.
The eukaryotic cell cytoplasm is fluid and serves as a support for the organelles, as well as all the chemicals suspended in it.
The existence of true nucleus and organelles is what defines a eukaryotic cell and differentiates them from prokaryotic cells.
Viruses are surrounded by a coat made out of *
1. nucleic acids
2. proteins
3. phospholipids
4. carbohydrates
Answer:
Proteins
Explanation:
viruses are surrounded by a protective coat of protein called a capsid.
DNA: TAC-GGC-ATA-GCA-TTT-CAC-TAA
What is the corresponding RNA sequence for the DNA strand above?
Answer:
Changing G to C
C to G
A to U
and T to A, the answer will be C
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-
down menus to complete the statements,
were intentionally manipulated,
In this experiment,
These were the independent variables.
The dependent variable measured was
Answer:
Explanation:
Temperature and surface area and time of reaction
Answer:
Mass and type of material
type of material
temperature
Explanation:
This is for: Lab: Thermal Energy Transfer
Assignment: Reflect on the Lab
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.
The independent variables in Part I, the ones intentionally manipulated, are the
✔ mass and type of material
.
The independent variable in Part II, the one that is intentionally manipulated, is the
✔ type of material
.
The dependent variable for both Parts I and II, the one that you measure the response in, is the
✔ temperature
In general,why do organisms engage in reproduction?
Many organisms – including microbes, plants, and some reptiles – do reproduce asexually. But the vast majority of living things reproducesexually. ... Sexual reproduction allows for greater genetic innovation over time than clonal, improving the chances that an organism can solve the problems at hand.
What is the relationship between water and enzymes in photosynthesis?
the cuticle is made of a waxy material. suggest an advantage to a plant of this feature
Answer:
The waxy cuticle stores the moisturizer of leaves by preventing the loss of water.
Explanation:
Answer:
A primary function of the leaf's waxy cuticle is to reduce water loss through the leaves, which is particularly important in arid deserts with little rainfall or Mediterranean climates with seasonal rainfall
How could pollutants be introduced into an ecosystem and
what would be the effect be on an ecosystem?
er notes
Well with water pollution it's mostly with plastic. A big influence is what people leave in the beach or throw in the ocean. Various animals get caught in trash. The effect is negative because many animals die from eating or being captured in it. And it just makes the water dirty.
Gaseous exchange occurs between
A alveoli and nose
B the atmosphere and nose
C alveoli and blood
D the atmosphere and bronchioles
Answer:
it is option c alveoli and blood
Insects have three body parts in six legs true or false
True, all INSECTS have this.
_________________ land is fertile and capable of growing crops
all living organisms can produce ATP in an anaeorbic manner by
Answer:
Explanation:
ATP contains less energy and is used to power cell processes. The flow of energy through living things begins with photosynthesis, which creates glucose. In a process called cellular respiration, organisms' cells break down glucose and make the ATP they need.
What are some examples of non-cyclic changes.
If you can, please explain how they are noncyclic
Answer:
a change of seasons. a volcanic eruption. phase changes of the Moon. high and low tides.
Explanation:
Some examples of non-cyclic changes are volcano eruptions, the occurrence of tides, work done by an object, diffusion of liquids and gaseous compounds, fuel undergoing combustion, etc.
What are Non-cyclic changes?Non-cyclic changes may be defined as the sequence of changes that are consistently involved but do not return the system back to its initial state. Irreversible processes are examples of non-cyclic changes.
Work done by an object is an example of a non-cyclic process because it is given by the area between the curve and volume axis. The noncyclic processes proceed in one direction only. This means that the product formed by these changes does not react together in order to reform the reactant again.
The fuel once burned will never get it again after combustion. Diffusion of liquids and gaseous do not form the initial products. Volcanic eruption forms molten lava which never occupies its initial stage.
Therefore, some examples of non-cyclic changes are mentioned above.
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Why can’t two pyrimidines be paired with one anothr ?
Answer:
There are two reasons for this. The first reason is that the distance between the two strands of DNA is constant. Two purines together would be too big to fit in that distance, and two pyrimidines together would be too small. The second reason is that the bonding between purines and pyrimidines is very specific.
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Explanation:
What did Gould and Eldridge infer about the pace and timing of evolutionary change? (5 points)
a
Evolutionary change occurred gradually and constantly throughout time.
b
The pace of evolutionary change has slowed down over time and it only rarely occurs now.
c
Periods during which evolution occurred were always preceded by a catastrophe.
d
Long periods of stability were punctuated with periods of evolutionary change.
Answer:
d. Long periods of stability were punctuated with periods of evolutionary change.
Explanation:
Gould and Eldridge inferred that evolution occurred because of the sudden existence of new factors that force a certain type of species to adapt to the new situation. (Things such as sudden change in the environment, sudden change of the species' genetic composition that passed over during natural selection ,etc)
They believe this is why periods of evolutionary change happened in considerably shorter period of time right in the middle of periods of stability.
The answer is D.
Explanation:
Long periods of stability were punctuated with periods of evolutionary change.
What technology is used to remove solids from water
Answer:
Clarifiers
Explanation:
Clarifiers are used in many applications to settle/concentrate to sludge and remove the solids from the process. While the plant location and type of removal process may vary, there is a need to remove the fine particulate matter from the water streams for either reuse or disposal.
Answer:
Clarifiers
Explanation:
Clarifiers are used in many applications to settle/concentrate to sludge and remove the solids from the process. While the plant location and type of removal process may vary, there is a need to remove the fine particulate matter from the water streams for either reuse or disposal.
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White-tailed deer are native to both North and South America. They can be found in many areas of the United States. They can adapt to a wide range of habitats and eat a large variety of plants, including leaves, fruit, bark from sapling trees, flowers, corn, and even poison ivy. All states track the population of deer by various methods. In Ohio the population between 2000 and 2010 can be seen in figure 1. The main predators for deer in Ohio are human hunters and coyotes.
1. Based on the graph what might have happened to the number of deer predators between 2000 and 2004?
a) the number of predators decreased.
b) the number of predators quadrupled.
c) the number of predators increased.
d) the number of predators equalized.
2. What is happening to the deer population between 2005 and 2010?
a) it stays about the same.
b) it plummets
c) it increases exponentially and then stabilizes.
d) it decreases and then stabilizes.
3. During the same period, 2005-2010, what might have also happened to the number of deer hunting licenses.
a) the graph goes up and then down so there are more people hunting deer.
b) the graph is different so there is no change.
c) less people wanted to hunt deer so they didn't have to buy a hunting license.
d) the graph goes down so there are more wolves and ticks.
Answer:
1.c 2.d 3.a
Explanation:
the population of the predators increased
1.Precipitation that infiltrates through soil into underground layers of rock, 2 puntos
sand, and gravel is stored as
Surface runoff
Ground water
Precipitation
Condensation
Answer:Ground water.
Explanation:
Step by step
Jill's class is studying how rocks are formed. Jill's teacher showed them a picture of a type of rock. Then Jill's teacher made a peanut butter and jelly sandwich and explained that one type of rock is formed when layers of sediment are squeezed and cemented together. After the rock is formed, you can still see the layers in the rock. What type of rock was Jill's teacher trying to help them remember by making a peanut butter and jelly sandwich? *
bedrock
igneous rock
metamorphic rock
sedimentary rock
Answer:
sedimentary rock
Explanation:
a sedimentary rock is a layered rock that is formed from compaction, celebration, and recrystallization of sediments.
Answer:sedimentary rock
Explanation:
DNA and RNA are composed of
O amino acids
O enzymes
O fatty acids
O nucleotides
Answer:
d) nucleotides
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The phospholipid bilayer describes a structure with:
оа
ob
ос
od
Polar heads on the outside and non-polar tails on the inside.
Non-polar tails on the outside and polar heads on the inside.
Polar layers on both the inside and outside.
Non-polar layers on both the inside and outside.
Answer:
Polar heads on the outside and non-polar tails on the inside.
What sequence below is the correct order (direction) bases will be added to the DNA strand below? *
Captionless Image
TAG-GTC
CTG-GAT
GCT-TGC
TAT-CAT
Answer: TAG-GTC
Explanation: C always bonds to G. A way to remember is Cars go in the Garage. A always bonds to T in a DNA strand. A way to remember is Apples grow on trees.
All of the following changes would be likely to decrease the rate of transpiration at 8 A.M. EXCEPT:
A-causing the stomata to close
B- Increasing the humidity of the atmosphere
C-Increase the water potential of the atmosphere
D-increasing the water potential of the soil
E-Placing the plant in total darkness
Answer:
D) Increasing the water potential of the soil. I'm an AP Bio student as well and just took this quiz :)
What kind of mutation is demonstrated below:
ATGCCATGGCATTGA --> ATGCCATGCATTGA
Answer:
Deletion
Explanation:
ATGCCATGGCATTGA
-->
ATGCCATGCATTGA
Comparing the two sequences, you can see that one G nucleotide is missing in the new sequence compared to the original.
This is a single nucleotide deletion, where one nucleotide is lost from the sequence. Otherwise, the sequence is entirely unchanged.
-)What must be present for the three stages of cellular
respiration to be exhibited?
Answer:
It needs oxygen in order to occur.
Explanation:
Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water; ATP, carbon dioxide, and water are all products of this process because they are what is created.
The reactions of cellular respiration can be grouped into three stages: glycolysis (stage 1), the Krebs cycle, also called the citric acid cycle (stage 2), and electron transport (stage 3)
The other three stages of cellular respiration—pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation—require oxygen in order to occur.
A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?
The cell would lack genetic information.
The cell would lack the structure that is needed to produce energy.
The cell would lack the structure that is needed to protect the cell’s organelles.
The cell would lack control over materials that move into and out of the cell.
Answer: The cell would lack genetic information
Explanation:
I took the test
Answer:
A. The cell would lack genetic information.
Explanation:
Ptolemy's model was very similar to Aristotle's with the addition of ______ motion.
Answer:
kinetic
Explanation:
it is moving