Nucleoli are present during interphase. The interphase stage is where cells spend the majority of their time. The nuclear envelope envelops the nucleus at this time.
What are nucleoli?The nucleolus is a spherical component of the cell's nucleus whose main job is to assemble and generate ribosomes. Additionally, ribosomal RNA genes are translated into the nucleolus.
The nucleolus is typically only visible in cells that are in the interphase. The nucleolus is seen to shrink as the cell approaches mitosis along with the condensation of chromosomes, and it eventually vanishes as RNA production ceases. The nucleus may contain one or more nucleoli, which are black, compacted areas.
Therefore, the interphase is the stage in which nucleoli are present.
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True or False? It is unsafe to look at a solar eclipse without special sunglasses. It is safe to look at a lunar eclipse without special sunglasses.
It is unsafe to look at a solar eclipse without special sunglasses. True
It is safe to look at a lunar eclipse without special sunglasses. False
This treatment can increase the risk _________________________ cancer.
Answer: of
Explanation: IT MAKES SENSE!!!!
Imagine you are interacting with an individual that does not think vaccines are effective. Using your knowledge of immunology, epidemiology, and microbes in general, describe how you might converse with this individual to educate them on vaccines.
I will convince the individual that the vaccine works by helping the body recognize and fight infections.
What are vaccines?Vaccines are substances that are of a biological nature, prepared to use to stimulate the immune system to produce antibodies against a particular disease-causing organism.
Vaccines are usually prepared from parts or whole disease-causing microorganisms that have been weakened such that they are unable to cause diseases but are still able to evoke an immune response when they are injected into the body.
Because the body's immune system has memory cells that are able to recognize a previous organism that has been in the body when vaccines are taken, the body's immune system produces antibodies and cells that destroy the real invading microorganism.
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A teen who eats large amounts of food in a single sitting and then induces vomiting to eliminate the food might be suffering from __________.
Question 1 options:
anorexia
bulimia
synesthesia
diffusion
The answer is Bulimia,otherwise referred to as Bulimia Nervosa
Notes: Is often confused with anorexia, bulimia is characterized by binge eating and then purging of foods whereas someone with anorexia has no appeal to food (or little appeal) and would avoid eating altogether.
Hope this helps, Have a great day!
~Jet
Which of the following describes a similarity between aquafarming and hydroponic farming?
A. They both require existence of fish.
B. They both require adding nutrient-rich water.
C. Neither requires soil.
D. They both require mutualism.
Pretty sure the answer is B. Someone tell me if i'm wrong.
Answer: B
Explanation: You Need nutrient-rich water Or The Plant Is Gonna Die
Hope I Helped!
What is your hypothesis?
As the incline angle increases, the force also increases which is inversely proportional to the time . Therefore, the time a toy car takes to travel down a ramp is less.
What is angle of incline?On a graph, the distance between two lines is represented by an angle called the angle of inclination. As the angle increases, the parallel component of force increases and the perpendicular component of force decreases. The acceleration is brought about by the parallel component of the weight vector. Therefore, accelerations are greater at steeper angles.
Because the steeper the incline, the greater the Gravitational Potential Energy (GPE), and the greater the GPE, the more kinetic energy is converted and the faster the car will travel.
Thus, as the slope of the ramp increases, so will the velocity and the time decreases.
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Please write 5 sentences to this
Similarities between cells and viruses includes:
Both cells and viruses have nucleic acid genomes based on the same genetic code that's used in cells.Both cells and viruses has genetic variation and can evolve.The differences between cells and viruses are:
Cells can exist by themselves while viruses need a living host in order to reproduce.Cells are the basic units of life, Viruses are non-living infectious particles.The 4 parts of a virus are:
Nucleoid Capsid EnvelopeEnzymes.What is a virus?A virus can be described as a submicroscopic infectious agent that replicates only inside the living cells of an organism.
The virus consists of a single molecule of nucleic acid surrounded by a protein coat called the capsid.
In conclusion, viruses shares some differences and similarities between cells.
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As more new ways of identifying and characterizing pathogenic bacteria emerge, the number of
distinguishable microbial strains also seem to increase. Describe why you think this is the case. (15)
As more new ways of identifying and characterizing pathogenic bacteria emerge, the number of distinguishable microbial strains also seem to increase as because more strain of bacteria are coming in the world due to mutation or resistance towards the antibiotics.
Bacteria- Small, single-celled organisms called bacteria exist. Nearly all areas of the world are home to bacteria, which are essential to its ecosystems. Some species can survive in environments with high pressure and temperatures. In fact, it's thought that there are more bacterial cells in the human body than there are human cells.
Mutation- While the majority of mutations are advantageous, some can be harmful. A risky mutation could result in a genetic disorder or a malignant condition. Another sort of mutation is a chromosomal one. Chromosomes, which are minuscule, threadlike structures located in the cell nucleus, carry genes..
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in a DNA molecule having 1400 bases has 400 adenine bases .so what will be the number of thyamine bases?
Answer:
Thymine (T) is one of the four nucleotide bases in DNA, with the other three being adenine (A), cytosine (C) and guanine (G). Within a double-stranded DNA molecule, thymine bases on one strand pair with adenine bases on the opposite strand. The sequence of the four nucleotide bases encodes DNA's information.
PEASE HELP PLEASE!? List and describe the substrates and products of TCA cycle
Answer:
HOPE THIS HELPS
Explanation:
1. The TCA cycle begins with an enzymatic aldol addition reaction of acetyl CoA to oxaloacetate, forming citrate.
2. The citrate is isomerized by a dehydration-hydration sequence to yield (2R,3S)- isocitrate.
3.Further enzymatic oxidation and decarboxylation gives 2-ketoglutarate.
4. After another enzymatic decarboxylation and oxidation, 2-ketoglutarate is transformed into succinyl - CoA.
5. The hydrolysis of this metabolite to succinate is coupled to the phosphorylation of guanosine diphosphate (GDP) to guanosine triphosphate (GTP).
6.Enzymatic desaturation by flavin adenine dinucleotide (FAD)-dependent succinate dehydrogenase yields fumarate.
7.After stereospecific hydration, fumarate catalyzed by fumarase is converted to L-malate.
8.And the final step of the TCA cycle of NAD- coupled oxidation of L-malate to oxaloacetate is catalyzed by malate dehydrogenase and closes the cycle.
What happens when the cell of a unicellular organism dies?
A unicellular organism is an organism that consists of a single cell. When the cell dies, the organism dies.
Molecules move UP a concentration gradient. What is this called
A recessive allele is:
O The set of DNA instructions that determines the offspring's traits.
O The trait that is observed when it is present; represented by capital letters.
O The passing of traits from parent to offspring.
O The trait that is observed only when 2 alleles are present; represented by lower case letters.
A recessive allele is the trait that is observed only when 2 alleles are present; represented by lower case letters.
Recessive Allele- When there is only one copy of an allele, it has no effect at all. This is in contrast to a dominant characteristic, which can only be expressed when one of two alleles is present.
Trait- A character is an attribute that helps identify the organism, whereas a trait can defined as a condition of character, that is a distinctive variant of a phenotypic feature of an organism. For instance, you could inherit the trait of green eyes from your parents if they both have them.
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True or False: Plants cell divide through cleavage during Cytokinesis phase of Cell cycle.
O True
O False
Answer:
TRUE
Explanation:
Have good day
The figure above will be required for the next two questionsIn figure B, red blood cells are in what type of solution?Hypotonic, which means the solution (plasma) has higher solute concentrationHypertonic, which means the solution (plasma) has higher solute concentrationHypotonic, which means the solution (plasma) has lower solute concentrationHypertonic, which means the solution (plasma) has lower solute concentration
• Hypertonic - Greater solute concentration
,• Hypotonic - Lower solute concentration
,• Isotonic - Same solute concentration
Given that by osmosis water will go to where the concentration is higher, in an attempt to make the concentrations the same, and in figure B the cells have lost water, this means the plasma has a higher concentration of solute, which means is hypertonic. This means the answer is B.
Which of the following is considered a gender stereotype?
Question 7 options:
Men have more facial hair than women.
Women stay home and take care of the children.
Men are typically taller than women.
Women can become pregnant and give birth to children.
Answer:
Women stay home and take care of the children
A particular laboratory solution contains 5 µL of propanol per 10 mL solution.Express this as a percent propanol solution.
5 microlitre= 0.005 millilitre
0.005 mL of propanol present in 10 mL solution.
In 1 mL solution 0.005÷10= 0.0005 mL propanol solution present
In 100 mL solution 0.0005×100= 0.05 % propanol solution
What is percentage solution?
A volume or amount of chemical or compound per 100 mL of a solution is referred to as a percentage solution. Relative solute to solvent expression: X amount/100 ml = X%
Solution concentrations can be easily and conveniently recorded using percentage solutions. The fact that the molecular weight of a substance is not taken into account when determining the percentage of the necessary solution is a benefit of percentage solutions.
Two varieties of percentage solutions are frequently applied in histology:
Percentage weight by volume (w/v)
Percentage volume by volume (v/v)
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9. What is the pH of a neu-
tral substance?
Answer:
7
the pH of all neutral substances is 7
describe the steps in the water cycle. then, describe what latent heat is. at what steps in the water cycle is latent heat absorbed? in which steps is latent heat released? helpp
Which of these is NOT part of cell theory? A:A. All cells come only from existing cells. B:B. All cells have the same basic structure. C:C. All living things are made of one or more cells. D:D. The structure and function of an organism is determined by the structure and function of its cell(s).
B.All cells have the same basic structure
Different types of cells wherever we see them have their own unique structure. Cells with different function generally have different shapes that suit them for their particular function
Four students measure the length of a block of wood. The block has a length of 4.0 cm. The measurements taken by the students are given below. Student A: 3.9 cm Student B: 4.0 cm Student C: 4.1 cm Student D: 3.9 cm The student's measurements show _____. a high degree of precision a high degree of accuracy both a high degree of precision and a high degree of accuracy neither accuracy nor precision
Since they are not all exactly the same number, even though they are near, I would suggest high precision rather than accuracy. Despite being near to one another, they lack precision since no two numbers are exactly the same.
There are two ways to assess observational error: accuracy and precision. Precision measures how closely two measurements are to one another, whereas accuracy measures how close a group of measurements is to its actual value. In other words, precision is a measure of statistical variability and a description of random mistakes. How accurately a measurement reflects how near it is to the actual or acceptable value. Precision is the degree to which measurements of the same thing agree with one another. Accuracy is not necessary for precision. Precision measures the reproducibility of measurements, even when they are far from the acceptable value, whereas accuracy measures how near a measurement is to a known or accepted value. Measurements that are both precise and accurate are repeatable and extremely near to true
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18. Which of the following best explains how resistance to a disease could spread throughout a population?Organisms that are disease resistant are most likely to survive and reproduce.Organisms which are disease resistant would cause extinction of the disease causing agent.A mutation for resistance to disease would most likely be a dominant trait.A mutation for resistance to disease has a high probability of occurring.
Between the following options the one that best explains how resistance to a disease could spread in a population is by organisms that are disease resistant are most likely to survive and reproduce in the population, that way the resistance trait will stay in the population.
What are the four bases of the genetic code?
Answer:
There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
Adenine (A) and Thymine (T) always pair togetherCytosine (C) and Guanine (G) always pair togetherExplanation:
Hope it helps! =D
1) Use the following word bank to
fill in the blanks on the flow chart:
Zygote
Mitosis
Egg
Fertilization
Sperm
Meiosis
Embryo
organism
Mother
Egg
Which transition is most responsible for gaps in the fossil record?
O A. metamorphic rock to igneous rock
OB. igneous rock to metamorphic rock
O c. metamorphic rock to sedimentary rock
O D. sedimentary rock to metamorphic rock
Answer: I believe it would be metamorphic to sedimentary
A scientist wants to investigate how the availability of
water affects the growth of trees.
Which investigation could the scientist use to gather evidence
relating to this topic?
OA. A comparative investigation in which the scientist
compares the root structures of two different types of
trees to see how they absorb water differently
B. A descriptive investigation in which the scientist closely
studies and describes the process by which trees take
in water
c. An experimental investigation in which the scientist
gives a tree a different amount of water each day and
records its growth over time
D. An experimental investigation in which the scientist
gives several trees of the same species varying
amounts of water over a period of time and measures
how quickly the trees grow
SUBMIT
Answer:
D
Explanation:
Comment
C is the second best answer, but it is not compared to anything, so you don't know if the tree is acting well in the environment, or not so good at all.
D is the best answer. Take a bunch of trees. Treat them the same way and see what the range is. If it's narrow, then the scientist has not learned that much except that the trees tend to act the same way under the same conditions. If there is a lot of variation, then he or she has to devise another experiment to find out why.
1. What is the ozone layer? Why is it important?
2. What causes ozone to form naturally in the upper atmosphere? Lower atmosphere?
3. Explain why scientists say the earth has too little AND too much ozone.
4. What chemicals are destroying the ozone layer? Where is this destruction most visible?
5. What is causing the temperature of the earth to increase? What is this called?
6. Name the greenhouse gases.
7. What are some ways humans have contributed to the greenhouse effect?
A portion of the sun's radiation is absorbed by the ozone layer in the stratosphere, preventing it from reaching the planet's surface.
What is the ozone layer?The majority of the UV light from the Sun is absorbed by the Earth's stratosphere's ozone layer, also known as the ozone shield. In comparison to other areas of the atmosphere, it has a high concentration of ozone (O3), yet it is still relatively low in comparison to other gases in the stratosphere.The stratosphere, a region of the atmosphere between 10 and 40 kilometers above us, is where the majority of ozone is found. Here, it serves as a shield to insulate the Earth's surface from the sun's harmful UV rays. Weakness in this barrier would make us more prone to immune system problems, cataracts, and skin cancer.Ozone depletion is the steady lowering of the Earth's ozone layer in the high atmosphere as a result of human activity and the discharge of chemicals including gaseous chlorine or bromine. Particularly over Antarctica, the thinning is particularly noticeable in the polar areas.To learn more about : Ozone layer
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What are organs composed of, what function does this composition serve and what is the primary role of an organ system within an organism.
Organs are composed of tissues, which are further composed of cells. Organs perform specifically assigned activities that support the overall process of an organ system.
The primary role of an organ system within an organism is to regulate the complete mechanism of vital processes. Essential activities of the organism are carried out by organ systems. The way respiration is controlled by the respiratory system, digestion is managed by the digestive system are the prominent roles of various organ systems.
The basic activities are performed by tissues on the root level resulting in the completion of processes. Based on the organization of the body, different phyla are formed. This arrangement depicts an efficient division of labor in the hierarchy.
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40. What genotypes are produced by a program of inbreeding?A. only dominantB. only heterozygousC. only homozygous
Remember that inbreeding is a process of production of offspring in which genetically closely related organisms are mated. This leads to homozygosity. In humans, inbreeding by causing homozygosity is intrinsically related to congenital anomalies and recessive genetic pathologies.
We can conclude that the correct answer is:
Answer:C. only homozygous
Will give 200 points if help
Answer:
1.50
2.0
3.36-24
4.2
5.approximately about like 2,344
6.99
Answer: The answer is ⠀ ⠀ ⠀, hope this helps! :))
Explanation: