Based on cell activities readily visible inthe light microscope, there are twomajor cell cycle phases, ____ and ____A. M phase; CytokinesisB. Interphase; CytokinesisC. G1 phase; G2 phaseD. M phase; Interphase
Answers
Based on cell activities visible in the light microscope, the two major cell cycle phases are interphase and cytokinesis (Option B).
Interphase and cytokinesis are the two major phases of the cell cycle that can be observed under a light microscope. Interphase is the longest phase of the cell cycle and encompasses the period between cell divisions. It can be further divided into three subphases: G1 phase, S phase, and G2 phase. During interphase, the cell grows, carries out normal cellular functions, and replicates its DNA in preparation for cell division.
Cytokinesis, on the other hand, is the phase that follows nuclear division (mitosis or meiosis) and involves the physical separation of the two daughter cells. It is the final stage of the cell cycle and results in the formation of two individual daughter cells with separate nuclei and cellular components.
While M phase (mitosis or meiosis) is an essential part of the cell cycle, it is not considered one of the major cell cycle phases visible in the light microscope because the details of mitosis or meiosis require more advanced microscopic techniques or staining methods to be clearly observed. Therefore, the correct answer is Option B: Interphase; Cytokinesis.
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Related Questions
Which type of greenhouse gases have a human source?
nitrous oxide
water vapor
fluorinated
gases
O carbon dioxide
Answers
Answer:
carbon dioxide is correct
Answer: O Carbon dioxide
Explanation:
a scientist wants to study the effect of an artificial sweetener on fertility in female laboratory rats. an effective control group would be
Answers
If a researcher wants to investigate the effect of an artificial sweetener on fertility in female laboratory rats, a good control group would be a group of female rats were fed identical diets but no artificial sweetener.
A study suggests that artificial sweeteners found in soft drinks may reduce female fertility. Artificial sweetener consumption was linked to a lower chance of IVF success, according to research presented at the American Society for Reproductive Medicine's (ASRM) Scientific Congress.
Artificial sweeteners have been linked to infertility and birth defects due to DNA damage and endocrine disruption, both of which cause hormonal imbalance.
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How do forces act on a dropped object as it is falling?
Answers
8 Explain The fossils shown are of a marine
organism. In which of the three rock layers
would you expect to find fossils of an organism
that went extinct before the marine organism
evolved? Explain your answer.
Answers
Answer:
It is the bottom layer.
Explanation:
you would expect the marine organism to go extinct before it evolved because the deeper the layer, the older the fossil
Name the layer in the atmosphere where temperatures can reach over 1,000 °C?
Answers
Answer:
the Thermosphere
Explanation The uppermost atmosphere is called the Thermosphere (therm-os-feer). Here, the temperature again increases with altitude. This is because atoms of nitrogen and oxygen absorb high-energy solar radiation and give off thermal energy... this causes the temperature to increase up to 1,000 degrees Celsius.
Can someone please help me fill this out rq
Answers
In HVAC systems, we generally want to control the desired properties of air such as A temperature and humidity B temperature and air cleanliness temperature, humidity, and air cleanliness
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Therefore, in HVAC systems, the desired properties of air that need to be controlled are temperature, humidity, and air cleanliness. By controlling these properties, HVAC systems can maintain a comfortable and healthy indoor environment.
HVAC stands for heating, ventilation, and air conditioning. It refers to the system that regulates indoor air quality and temperature. In HVAC systems, we generally want to control the desired properties of air such as temperature and humidity. Other desired properties include air cleanliness.Temperature and humidity are important factors that can significantly affect human comfort and productivity. HVAC systems are designed to maintain comfortable indoor temperature and humidity levels.
This is achieved through the use of temperature and humidity sensors, which measure the temperature and humidity of the air and adjust the HVAC system accordingly to maintain the desired levels. Air cleanliness is another important factor that needs to be controlled in HVAC systems. Airborne particles such as dust, allergens, and microorganisms can have a significant impact on indoor air quality and can cause respiratory problems. To maintain air cleanliness, HVAC systems use air filters, which capture airborne particles and prevent them from circulating in the air.
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Which change is chemical?(1 point)
water undergoing electrolysis
water boiling
water evaporating
water freezing
Which number remains unchanged during photosynthesis?(1 point)
the number of glucose molecules
the number of carbon dioxide molecules
the number of carbon atoms
the number of water molecules
In a chemical reaction, which aspect of the reactants changes?(1 point)
atoms
total mass
mass
nuclei
A young snake eats and digests a mouse. The increase in the snake’s mass equals(1 point)
the mass of the mouse minus the mass of waste produced by the snake.
the mass of the mouse plus the mass of waste produced by the snake.
the mass of the mouse.
the mass of the mouse plus the original mass of the snake.
Cellular respiration transforms glucose and oxygen into carbon dioxide, water, and energy.
C6H12O6 + 6O2 → 6CO2 + ?H2O + Energy
Based on the law of conservation of matter, what is the missing coefficient for water?
(1 point)
2
4
6
8
Answers
Answer:
water undergoing electrolysis
the number of carbon atoms
mass
the mass of the mouse minus the mass of waste produced by the snake.
6
Explanation:
A chemical change is characterized by irreversible reactions that produce new products. Water undergoing electrolysis is a chemical change. Thus, the options are 1. A, 2. C, 3. C, 4. A, and 5. C.
What is a chemical change?A chemical change has been defined by the permanent alteration of the reactants that produce new substances with varied chemical characteristics. Water undergoing electrolysis produces new substances, while boiling, evaporation, and freezing are changes in phases. Thus, 1. A is correct.
Photosynthesis is a plant process marked by the production of sugar and oxygen atoms. The number of carbon atoms in the reaction remains the same. Thus, 2. C is correct.
In a chemical reaction, the mass of the reactant changes as new products are formed but the total mass remains conserved. Thus, 3. C is correct.
Snake is a predator and a consumer that feeds on rats. The snake's mass is equivalent to the waste produced by the snake subtracted from the mouse's mass. As waste is eliminated from the body. Thus, 4. A is correct.
Cellular respiration is the process that occurs in organisms where glucose and oxygen are used to produce six carbon dioxide and six hydrogen molecules as there are 12 hydrogens on the reactant side. Thus, 5. C is correct.
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when salt is dissolved in water, water is the what and why
Answers
Answer:
solvent
Explanation:
The solvent is the substance that dissolves another thing, in this case the water dissolves the salt
Answer: Water is the solvent because it is dissolving the salt in it. Salt is the solute.
Where does the exchange of oxygen (from the air) with carbon dioxide (from the cells) take place?
A. Where are the bronchi meet the bronchioles
B. Where the blood meets the cells
C. Where the nasal passages meet the air
D. Where are the alveoli meet capillaries
Answers
Answer:
The Answer is Option D.
Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.
Answer:
D. Where are the alveoli meet capillaries
Which of the following is an advantage of knowing the GDD of a plant?
allows farmers to induce plants to produce larger harvests
helps determine optimal timing for pest management
helps determine when to plant seeds
allows farmers to avoid frost damage to crops
Which of the following best describes Growing Degree Day total?
a measure of the amount of heat needed to encourage plant growth
a measure of the amount of heat a plant must experience before reaching maturity
a measure of the amount of heat a plant is exposed to over a single day
a measure of the amount of heat tolerance a plant demonstrates
In the formula GDD = (Tmax + Tmin)2 – Tbase, the term “Tmin” means which of the following?
low temperature for the day
temperature minutes in a day
minimum heat to ensure growth
record low temperature in a region
Which of the following climates would reliably be a good climate for a tender plant?
USDA Hardiness Zone 1a
Kopper-Geiger Scale Bsk
Kopper-Geiger Scale Dfb
USDA Hardiness Zone 10b
Which option identifies the most likely contributor to a microclimate that forms in a northern-facing valley?
topography
precipitation
shelter
exposure
For all 5 i give 100 points and brainliest plz answer fully
Answers
Answer:
fhgxycgxhcgchcychcf and expert advice for it to help you with the business you have a great
Answer:
1b 2c 3d 4 a
Explanation:
PLEASE HELP FAST!!!!!!
Answers
Answer:It might be c but I’m not 100% sure
Explanation:
The statement which is not true about observation is as follows:
Observations are foolproof and should always be trusted or believed.Thus, the correct option is A.
What is Observation?Observation may be defined as the process of analyzing or monitoring some activities that are performed either by you or others to interpret the outcome.
Some of the observations are not always true, and hence they can not be trusted or believed immediately.
Such observation required the action of modification and then can be observed cautiously with full concentration in order to eliminate some mistakes.
Therefore, the correct option for this question is A.
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A
Reaction Y required more activation energy.
B.
Reaction X produced more products.
с
Reaction X occurred with an enzyme.
D
Reaction Y occurred using a catalyst.
Answers
Answer: Yo you in Mrs. Ceccoli class?
Explanation:
Suggest THREE uses that the leaf cells can make of the glucose produced in photosynthesis.
Answers
Answer:
Glucose can used as a substrate and broken down in plant cells by the process of respiration. The chemical energy released by respiration can be used by the plant for cellular activities such as protein synthesis or cell division.
in the tree above, which character is an example of an autapomorphy? limbs. lungs. amniotic egg hole in skull in front of eye socket fused bones form carapace
Answers
The character that is an example of an autapomorphy is fused bones that form a carapace, the correct option is (c).
The one that could be an example of autapomorphy is the fused bones that form a carapace. This is a characteristic that is unique to turtles, which are the only group of reptiles with a fully fused bony shell that protects their body.
No other taxonomic group or species possesses this specific trait, making it an example of an autapomorphy for turtles. The other characters mentioned, such as limbs, lungs, and the hole in the skull in front of the eye socket, are shared by many different taxa and are not unique, the correct option is (c).
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The complete question is:
In the tree above, which character is an example of an autapomorphy?
a. Lungs.
b. Limbs.
c. Fused bones form carapace
d. Amniotic egg
e. Hole in the skull in front of the eye socket
please identify the phases of mitosis
Answers
Answer: umm
Explanation:
how
What is the difference between a dominant trait and a recessive trait?
Dominant traits will be expressed even if there is one of them while for recessive both of the parents have to have a recessive trait
Answers
Answer:
Dominant traits will always be expressed if any amount is there. Recessive traits will only be expressed if two are there.
Answer:
If a trait is dominant, then you will only have to have at least one parent with a dominant trait for the offspring to inherit the trait.
If a trait is recessive, then you will only need one parent with a recessive trait for the offspring to be able to inherit the trait.
Explanation:
Hope u have a good day
Grace, a 45-year-old woman, is unable to conceive even after multiple attempts. Her menstruation and ovulation are quite irregular. Doctors find that the levels of estrogen and progesterone in her body are less than the normal levels. Grace is most likely experiencing ________ in this scenario.
Answers
Grace is most likely experiencing hormonal imbalance in this scenario.
Hormonal imbalance refers to an abnormality or disruption in the normal levels or functioning of hormones in the body. In Grace's case, the reduced levels of estrogen and progesterone suggest a hormonal imbalance that is affecting her reproductive system.
Estrogen and progesterone play crucial roles in the menstrual cycle and fertility. Estrogen is responsible for the growth and development of the uterine lining, as well as the maturation of the ovarian follicles. Progesterone, on the other hand, prepares the uterus for implantation and maintains pregnancy.
When the levels of estrogen and progesterone are lower than normal, it can result in irregular menstruation and ovulation. Irregular menstrual cycles can make it challenging to accurately time intercourse for conception. Additionally, inadequate levels of estrogen and progesterone can hinder the proper development and release of mature eggs, decreasing the chances of successful fertilization.
Hormonal imbalances can have various causes, including age-related changes, certain medical conditions, stress, and lifestyle factors. It is essential for Grace to consult with her healthcare provider to determine the underlying cause of her hormonal imbalance and explore appropriate treatment options to improve her chances of conception.
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Which of the following statements concerning emotions is true?
A.
Chemical signals from the endocrine system can affect your mood.
B.
A lack of activity by the endocrine system will always make you anxious.
C.
The endocrine system cannot regulate emotion.
D.
Over activity of the endocrine system will always make you depressed.
Answers
Answer:
A. chemical signals from the endocrine system can affect your mood
Calculate amount of energy received by a person together with the maximum daily rate of carbohydrate. 1)7700 2)3600 3)8000 4)8800
Answers
The maximum daily rate of carbohydrates is 3960 calories.
The closest value is 3600 calories.
Hence, the correct option is option 2.
What is the recommended maximum daily intake of carbohydrates?According to the Dietary Guidelines for Americans, all age groups and genders should consume 45–65% of their daily calories from carbohydrates.
The Daily Value (DV) for carbohydrates in a 2,000-calorie diet is 300 grams per day, per the Food and Drug Administration (FDA).
Assuming the maximum intake of calories by a person per day is 8800 calories, the maximum daily rate of carbohydrates is determined as follows;
The maximum daily rate of carbohydrates = 45 % * 8800 calories
The maximum daily rate of carbohydrate = 3960 calories
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why do cells need to divide
Answers
Answer:
the answer is b
Explanation:
the reproduce daily o grow and to keep up with the dying cells
Cells need to divide for body to grow and for body tissue such as skin to continuously renew itself, so option b. Cell division is how organisms grow is correct
What is the cell divison process is called?Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
What is the main purpose of cell division?Cell division for growth and repair creates exact copies of a cell. it is important it make possible for a living thing to grow, creates new cells to replace damaged or dead cells.
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In your own words, describe how DNA replication and RNA transcription occur. Your answer should include the names and functions of at least 5 proteins for DNA replication. and at least 2 proteins for RNA transcription. In what ways are they similar, and in what ways are they different?
Answers
DNA replication is a process in which DNA is duplicated so that each new cell produced by cell division has a complete copy of the organism’s genetic information.
It occurs in the S phase of the cell cycle. DNA replication involves the action of many proteins. Here are the names and functions of 5 proteins involved in DNA replication:
1. DNA polymerase III: Adds nucleotides to the growing strand of DNA.
2. Helicase: Unwinds the double helix to make the DNA molecule accessible for replication.
3. Primase: Synthesizes RNA primers on the lagging strand.
4. Ligase: Joins Okazaki fragments on the lagging strand.
5. Single-strand binding protein: Prevents the two strands of DNA from re-forming a double helix. RNA transcription is a process in which DNA is used as a template to create a complementary RNA molecule. It occurs in the nucleus and involves the action of many proteins.
Here are the names and functions of 2 proteins involved in RNA transcription:
1. RNA polymerase: Adds nucleotides to the growing strand of RNA.
2. Transcription factors: Proteins that bind to DNA and help RNA polymerase locate the start site of the gene being transcribed.
Similarities between DNA replication and RNA transcription: Both processes involve the use of a DNA template to create a new molecule. Both processes require the action of polymerases.
Differences between DNA replication and RNA transcription: DNA replication produces a complete copy of the DNA molecule, while RNA transcription produces a complementary RNA molecule. DNA replication occurs in the S phase of the cell cycle, while RNA transcription can occur at any time. DNA replication involves the action of more proteins than RNA transcription.
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Some students were building a model of a
digestive system. Which choice best
describes a process they should show with
their model?
F Tissues digest food for the organ
system to absorb.
GCells digest food, which is then
absorbed by organs.
Organs digest food by working
together as a system.
(H)
The organ system uses specialized
cells to digest food.
Answers
The digestive process is divided into four steps: ingestion, chemical and mechanical food breakdown, nutrient absorption, and expulsion of indigestible food.
What does the digestive process entail?
The digestive process starts as soon as something is chewed. In order for food to pass more easily through your esophagus and into your stomach, saliva, a digestive juice produced by your salivary glands, moistens the food. The carbs in food also begin to be broken down by an enzyme found in saliva.
Motility, digestion, absorption, and secretion are the four fundamental functions of the digestive system. Our digestive system transforms our food into energy that we can use.
The digestive system's initial function is to take in food through the mouth. The "ingesting" procedure must take place before anything else can happen.
The complete question is:
Some students were building a model of a digestive system. Which choice best describes a process they should show with their model?
a) F Tissues digest food for the organ system to absorb.
b) G Cells digest food, which is then absorbed by organs.
c) Organs digest food by working together as a system.
d) The organ system uses specialized cells to digest food.
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Why do we need sleep? (scientific answer pls)
Answers
Answer:
Sleep is an essential function that allows your body and mind to recharge, leaving you refreshed and alert when you wake up.
The nurse is assessing the respiratory system of a newborn. which anatomic differences place the infant at risk for respiratory compromise?
Answers
The anatomic differences which place the infant at risk for respiratory compromise transient tachypnea of the newborn.
What is healthcare?Healthcare can simply be defined as an organized medical care given to a person, organization or even a community either by a doctor, nurse or any other licensed healthcare professional
However, healthcare-associated Infections, are those infections patients can get during their treatment for another condition due to bacteria, viruses, fungi, and other pathogens.
And for a good reason, the fundamental purpose of healthcare is to enhance healthy living and quality of life by giving quality healthcare services.
So therefore, the anatomic differences which place the infant at risk for respiratory compromise transient tachypnea of the newborn
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The circulatory system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues? * true False
Answers
True . ....please awnser my question its about the gift shop
What is function of the cell membrane ?
Answers
PLZ HELP ITS EASY ITS DUE IN 5 MINUTES
1. Which statement is true about DNA?
a. DNA is an exact copy from parent to offspring.
b. DNA is not necessary for an organism to reproduce.
c. DNA contains genes that hold specific traits for an organism.
d. Organisms create their own DNA sequence that is not like their parents.
Answers
Answer: C
Explanation:
How are GM sugar beets different to normal sugar beets?
Answers
Answer:
A genetically modified sugar beet is a sugar beet that has been genetically engineered by the direct modification of its genome using biotechnology. Commercialized GM sugar beets make use of a glyphosate-resistance modification developed by Monsanto and KWS Saat.
Explanation:
hop it will help
What would happen to the original rabbit population if you introduced another type of rabbit, one that could run faster and escape its predator?
Answers
If another type of rabbit, one that could run faster and escape its predator is introduced then the population will increase.
What is a Population?This is defined as the total number of organisms present in an area over a period of time.
The rabbit having these special features means there will be more offspring produced which will increase their number and survival.
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