Interphase:
Is known as the resting stage. Replication of DNA occurs.
- G1
-S
-G2
Prophase:
The chromosomes are visible, centrioles are formed and begin to move to opposite sides. This is where you see the dissolving of the nuclear membrane.
Metaphase:
The chromosomes line up in the centre of the cell.
Anaphase:
This when the cell divides (should look like two circles splitting) you will see the spindles begin to shorten which pull chromatids apart.
Telophase:
The nuclear membrane is reformed.
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Looking at the graph (photo attached), what is the independent and dependent variable?
Answer:
Temperature(0C)= Independent
Light Intensity(candelas)= Dependent
Explanation:
Dependent is always the Y-axis (vertical line)
Independent is always the x-axis(horizontal line)
how do you get chromosomes from your parents?
Answer: The egg and sperm each have one-half of a set of chromosomes. The egg and sperm together give the baby the full set of chromosomes
Explanation:
Answer:
The egg and sperm each have one half of a set of chromosomes. The egg and sperm together give the baby the full set of chromosomes.
Explanation:
A mutation that results from the gain or loss of 1-50 bp is also known as a(n) ______.
A mutation that results from the gain or loss of 1-50 bp is also known as a small insertion or deletion, or an indel.
An organism's observable traits, or phenotype, may or may not change as a result of a mutation. Evolution, cancer, and the maturation of the immune system, including junctional variety, are among the normal and malignant biological processes in which mutations play a role. All genetic variety originates from mutation, which also provides the basis for the action of evolutionary forces like natural selection.
Sequence changes can take many distinct forms as a result of mutation. Gene mutations can have no effect, change the gene's product, or stop the gene from working fully or correctly. Non-genic areas are likewise susceptible to mutation.
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The less fat in the body, the more blood there is per unit of body weight
True or false
The less fat in the body, the more blood there is per unit of body weight. This statement is true.
The amount of blood in the body is proportional to the body weight, and the less fat there is in the body, the more blood there is per unit of body weight. This is because fat tissue contains very little blood, while other tissues such as muscle and organs have a much higher blood supply. Therefore, as the percentage of body fat decreases, the relative amount of blood in the body increases. However, it's important to note that overall blood volume can still vary based on factors such as hydration status, medical conditions, and medications.
Our body has a fixed amount of blood, which circulates through the heart, arteries, veins, and capillaries to provide oxygen and nutrients to all cells and tissues. The amount of blood in the body is proportional to the body weight. However, the distribution of blood varies in different tissues based on their blood supply.
Fat tissue has very little blood supply compared to other tissues such as muscle and organs. Therefore, a higher percentage of body fat means a relatively lower amount of blood in the body. Conversely, a lower percentage of body fat means a relatively higher amount of blood per unit of body weight.
It's worth noting that overall blood volume can still vary based on factors such as hydration status, medical conditions, and medications. For example, dehydration can cause a decrease in blood volume, while conditions such as heart failure or liver disease can cause an increase in blood volume. Overall, maintaining a healthy body composition with an appropriate amount of body fat can help ensure a healthy blood volume and circulation.
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Write the main strategy to prevent flood
Help please
Answer:
Flood barriers are very affordable, lightweight metal barriers may be installed in different places and taken away when water disappears.
Explanation:
where does photo synthesis occur
Answer: In plants, photosynthesis takes place in chloroplasts.
Explanation:
1. Determine hormones with external and internal secretion.
2. The nervous system and the hormonal system control the sending of messages to different organs of the body, describe the difference between them.
3. Explain the role of thyroxine in the metabolic processes of our body.
4. Describe the role of insulin in regulating blood sugar. What are the effects of adrenaline in the body?
5. Distinguish the role of testosterone and estrogen in human sexual development.
Answer:
yeah
Explanation:
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.
Alternative names for thyroxine
T4; tetraiodothyronine; thyroxin
What is thyroxine?
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It is the inactive form and most of it is converted to an active form called triiodothyronine by organs such as the liver and kidneys. Thyroid hormones play vital roles in regulating the body’s metabolic rate, heart and digestive functions, muscle control, brain development and maintenance of bones.
How is thyroxine controlled?
The production and release of thyroid hormones, thyroxine and triiodothyronine, is controlled by a feedback loop system that involves the hypothalamus in the brain and the pituitary and thyroid glands. The hypothalamus secretes thyrotropin-releasing hormone which, in turn, stimulates the pituitary gland to produce thyroid stimulating hormone. This hormone stimulates the production of the thyroid hormones, thyroxine and triiodothyronine, by the thyroid gland.
This hormone production system is regulated by a feedback loop so that when the levels of the thyroid hormones (thyroxine and triiodothyronine) increase, they prevent the release of both thyrotropin-releasing hormone and thyroid stimulating hormone. This system allows the body to maintain a constant level of thyroid hormones in the body.
What happens if I have too much thyroxine?
The release of too much thyroxine in the bloodstream is known as thyrotoxicosis. This may be caused by overactivity of the thyroid gland (hyperthyroidism), as in Graves' disease, inflammation of the thyroid or a benign tumour. Thyrotoxicosis can be recognised by a goitre, which is a swelling of the neck due to enlargement of the thyroid gland. Other symptoms of thyrotoxicosis include intolerance to heat, weight loss, increased appetite, increased bowel movements, irregular menstrual cycle, rapid or irregular heartbeat, palpitations, tiredness, irritability, tremor, hair
which process produces large amounts of energy in a star by combining lighter elements into a heavier element
Answer:
Fusion
Explanation:
A star's energy comes from the combining of light elements into heavier elements in a process known as fusion, or "nuclear burning". It is generally believed that most of the elements in the universe heavier than helium are created, or synthesized, in stars when lighter nuclei fuse to make heavier nuclei.
Answer:
Nuclear fusion
Explanation:
Put the following steps of the G protein cycle into the correct order.
- GAPs stimulate the GTPase activity of G-alpha - Reassociation of the heterotrimeric G complex with a GPCR - Dissociation of G-alpha and G-beta/gamma from a GPCR - Ligand stimulation of the GEF function of a GPCR
The correct order of the steps in the G protein cycle is:
Ligand stimulation of the GEF function of a GPCR, Dissociation of G-alpha and G-beta/gamma from a GPCR, Reassociation of the heterotrimeric G complex with a GPCR, GAPs stimulate the GTPase activity of G-alpha.Ligand stimulation of the GEF function of a GPCR: This is the first step in the G protein cycle, where a ligand binds to a G protein-coupled receptor (GPCR), activating the GPCR's guanine nucleotide exchange factor (GEF) function.
Dissociation of G-alpha and G-beta/gamma from a GPCR: After the GPCR is activated, it undergoes a conformational change that leads to the dissociation of G-alpha and G-beta/gamma from the GPCR.
Reassociation of the heterotrimeric G complex with a GPCR: The activated GPCR causes the G protein subunits (G-alpha and G-beta/gamma) to bind with the GPCR to form a heterotrimeric G protein complex.
GAPs stimulate the GTPase activity of G-alpha: GTPase-activating proteins (GAPs) stimulate the GTPase activity of G-alpha, leading to the hydrolysis of GTP to GDP and inorganic phosphate, which causes the reformation of the inactive G protein complex.
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true or false a primary reagent used for standardization should be >99.9% pure.
The statement "A primary reagent used for standardization should be >99.9% pure" is true because it is needed to ensure accurate and reliable results during the standardization process.
A primary reagent used for standardization should typically be of high purity, generally greater than 99.9%. This high level of purity ensures that the reagent does not introduce impurities or contaminants that could affect the accuracy and reliability of the standardization process.
When preparing standard solutions or calibrating analytical instruments, it is crucial to use high-quality reagents to minimize measurement errors and maintain the integrity of the analysis. Hence, the statement is generally true.
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Genetically engineered human insulin, human growth hormone, and human clotting factor VIIIVIII are made by __________.a. gel electrophoresisb. polymerase chain reactionc. DNA fingerprintingd. transgenic bacteria
Genetically engineered human insulin, human growth hormone, and human clotting factor VIIIVIII are made by transgenic bacteria.
About BacteriaBacteria are prokaryotic organisms which are single-celled and microscopic. Bacteria can live in various environments, such as soil, water, air, and the bodies of other living things. Bacteria come in a variety of shapes, such as balls, rods or spirals. Bacteria can be beneficial or harmful to life. Beneficial bacteria can assist in nutrient cycling, nitrogen fixation, and synthesis of vitamin B 12. Harmful bacteria can cause infectious diseases, such as cholera, syphilis, and anthrax.
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In this activity, draw and count atoms to understand how nitrogen and hydrogen react to make ammonia.
Draw the reactants using the drawing tool. Keep in mind that one molecule of nitrogen has two bonded atoms, and one molecule of hydrogen has two bonded atoms.
Chemical equation - N2 + 3H2 = 2NH3
[the two at the end of the first two are placed below the letter, aswell as the three in the last one]
Ammonia (NH3) is a colorless gas with a sharp odor, often used as a household cleaner. Nitrogen and hydrogen are the two elements that combine to form ammonia. When a nitrogen molecule (N2) and three hydrogen molecules (H2) react, they form two molecules of ammonia (NH3).
The chemical reaction that produces ammonia can be represented by the equation N2 + 3H2 --> 2NH3. Nitrogen and hydrogen are drawn using the drawing tool, keeping in mind that each nitrogen molecule contains two bonded atoms, while each hydrogen molecule contains two bonded atoms. Nitrogen has a triple bond, and hydrogen has a single bond.
To illustrate the chemical reaction between nitrogen and hydrogen, the following drawing should be used. The first nitrogen molecule is drawn as two circles, with one having two lines to the next circle, as nitrogen has a triple bond. Each hydrogen molecule is drawn as two circles with a single line between them.
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The meniscus cushions articulating surfaces of bones.
True or false
plants release ___ billion tons of oxygen during the process of ___
Plants release approximately 130 billion tons of oxygen during the process of photosynthesis. As a consequence of photosynthesis, oxygen is released by plants. However, it is estimated that plants actually emit 130 billion tonnes of oxygen annually through photosynthesis.
The biochemical process known as photosynthesis is used by plants, algae, and some bacteria to produce glucose (a form of stored energy) and oxygen from sunlight, carbon dioxide, and water. In particular, the chlorophyll, a type of green pigment found in the chloroplasts of plant cells, is where this process occurs.
Chlorophyll in plants absorbs sunlight during photosynthesis, which gives water molecules the energy to divide into hydrogen and oxygen. Using the hydrogen, glucose is created from carbon dioxide, which is subsequently used as an energy source by the plant's different cellular functions.
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1.Use the Punnett square in the sketch pad below to cross two heterozygous tall plants to determine the possible offspring.
2. and tell me where you crossed two heterozygous tall plants, what is the percentage of offspring that are tt?
1Points
A
0 percent
B
25 percent
C
50 percent
D
75 percent
The probability of getting tt is around, 1/4 or 25 percent. The other possible genotypes are TT and Tt, which are both tall plants. The probability of getting a tall plant is 3/4 or 75 percent (TT and Tt combined).
What are genotypes?Genotypes are the genetic makeup of an organism, which refers to the specific combination of alleles or versions of genes that an individual has for a particular trait. Each individual has two alleles for each gene, one inherited from each parent. The combination of these two alleles determines the genotype for that gene.
When crossing two heterozygous tall plants (Tt x Tt), the Punnett square will have four boxes. Each box represents a possible combination of alleles from the parents. The alleles for height are T (tall) and t (short). The recessive allele is represented by a lowercase letter and the dominant allele is represented by a capital letter. The Punnett square would look like this:
T t
T TT Tt
t Tt tt
The possible genotypes of the offspring are tt, TT , and Tt. The percentage of offspring that are tt is 25 percent or 1 out of 4. This is because the tt genotype is recessive and can only occur if both alleles are t. The probability of getting tt is around, 1/4 or 25 percent. The other possible genotypes are TT and Tt, which are both tall plants. The probability of getting a tall plant is 3/4 or 75 percent (TT and Tt combined).
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what 4 substances are recycled during photosynthesis and respiration?
Answer:
Carbon dioxide, Water, Oxygen and Glucose.
The following picture is best described as a(n)
Helppp
Answer:
Explanation:
A
On what structures are genes passed to daughter cells through meiosis or mitosis?
Answer:
Mitosis is when the mother cell makes two daughter cells but Meosis 1 makes two daughter cells with there chromosomes shaped in Xs and Then Meosis 2 It continues to make more daughter cells from meosis 1s daughter cells
Explanation:
Question1:
What is aggregation with respect to OOP? – (1 mark) In your explanation you must:
- Differentiate between the two forms aggregation and composition. (1 mark each)
- Explain how they are shown in UML. – (0.5 marks each)
Question2:
Clearly explain the difference between an object and a class (you may use examples or diagrams to assist).
What is an access modifier and why is it important? -( 1 mark for its importance and usage)
In your explanation you must also indicate:
- The differences between public and private access modifiers. -(0.5 marks each)
How are they shown in a UML diagram. –(0.5 marks each)
Aggregation with respect to OOP is a technique of object composition that is employed when one object is a part of a larger object, but the smaller object may exist independently of the larger one. The primary difference between composition and aggregation is that in composition, the objects cannot exist independently of the composite object, whereas in aggregation, the objects may exist independently.
An object is an instance of a class, while a class is a template or blueprint for creating objects. An object is an instance of a class that contains all of the characteristics of the class, including its attributes and methods, whereas a class is the definition or representation of those attributes and methods
It is necessary to include the private keyword in the definition of a class, method, or variable to make it private. In UML diagrams, a plus symbol (+) is used to indicate a public method, while a minus symbol (-) is used to indicate a private method.
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3. What is the most common way for a system to lose energy?
Answer:
Heat energy
Explanation:
Maybe ..this can be
cooling towers are designed to reduce the entering water temperature to within ____°f of the air's wet-bulb temperature.
Cooling towers are designed to reduce the entering water temperature to within 5°F of the air's wet-bulb temperature. The wet-bulb temperature is the lowest temperature that can be achieved through evaporative cooling
And is determined by measuring the temperature of a thermometer with a wet wick or cloth around the bulb. The purpose of cooling towers is to remove the heat absorbed by the water in industrial or HVAC systems and release it into the atmosphere through evaporation. By reducing the temperature of the water to within 5°F of the wet-bulb temperature, the cooling tower maximizes the rate of heat transfer and efficiency of the system. However, factors such as humidity and wind can also affect the cooling tower's performance, which must be considered during the design process.
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A man with blood type a and a woman with blood type b have three children: a daughter with type ab and two sons, one with type b and one with type o blood. what are the genotypes of the parents?
The genotype of the parents with blood types A and B will be AO (father) and BO (mother).
A, B, AB, and O are the four primary blood types (groups). Your blood type is determined by the genes you got from your parents.
Four main blood types are distinguished by the ABO system:
Blood group O - contains both anti-A and anti-B antibodies in the plasma but no antigens. A and B antigens are present in blood group AB, however there are no antibodies. Red blood cells with blood group A antigens have anti-B antibodies in their plasma. B antigens and anti-A antibodies are present in the plasma in blood group B.Since the children have all three types of blood types this means that the parents are heterozygous:
AO X BO (parents)
AB, AO, BO, OO (children)
Thus, the parents will be AO and BO.
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nucleic acid used in a 9th grade level sentence
don’t send links
Most exact matching problems arise when handeling nucleic acid sequences.
Certain tags can enter the nucleic acid database and identify the trapped gene.
The structure of nucleic acid junctions plays a central role in their biological function.
1. What is the % of glucose outside the cell?
2. What is the % of water outside the cell?
3. What is the % of water inside the cell?
4. Will osmosis occur?
5. If so, which way will water move (into or out of the cell)?
6. Will the cell swell or shrink?
7. The cell is in what type of solution (hypertonic, hypotonic, isotonic)?
Osmosis is the simple passive transport through which water moves through a semipermeable membrane when solutions at bot sides show a difference in solute concentration. 1. 10%. 2. 90%. 3. 80%. 4. Yes. 6. swell. 7. hypertonic
What is osmosis?
Osmosis is the simple passive transport of water molecules that occurs when two dilutions of different concentrations are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side (higher water potential) to the less diluted one (lower water potential).
Let us remember that the water potential is the potential energy in a mass of water. Among other factors, it depends on solute concentration,
Most diluted side ⇒ higher water potentialMost concentrated side ⇒ lower water potentialConcerning solute concentrations,
the hypertonic solution is the one with the highest solute concentrationthe hypotonic solution is the one with less solute concentration. The most diluted one. isotonic solutions are those with equal solute concentrations.1. What is the % of glucose outside the cell? 10%
2. What is the % of water outside the cell? 90%
3. What is the % of water inside the cell? 80%
4. Will osmosis occur? Yes, because there is a difference in solute and water concentration.
5. If so, which way will water move (into or out of the cell)? Into the cell.
6. Will the cell swell or shrink? the cell will swell because water in goin in.
7. The cell is in what type of solution (hypertonic, hypotonic, isotonic)? hypertonic, because solute concnetration is higher in the cell thann outside.
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What will be the PHENOTYPE of all the offspring
A: short hair
B: long hair
C: impossible to know
Answer: Hello again The answer you clicked on is correct btw. Its long hair
Explanation:
The alleles would be Ll when the offspring is born and it would only be short hair if it was ll. Anything with capital “L” in it would be a long hair.
In meiosis, the original cell is .
This means it has sets of chromosomes.
Answer:
The question is not really clear but I think the answer you are going after is "Diploid".
Explanation:
what is the anaerobic respiration equation in symbol?
Answer:
C6H1206=2C2H5OH+2CO2+energy
Explanation:
Answer:
for plant anaerobic resp.
C6H12O6 =====>2C2H5OH + 2CO2 + ATP
(ethanol, carbon dioxide and energy as by-products)
for animal anaerobic resp.
C6H12O6 ======> 2C3H6O3 + ATP
(lactic acid and energy as by-products, No carbondioxide is released).
When Mendel crossed two purple-flowered pea plants with each other, he obtained a phenotypic ratio of 3:1 (purple-flowered pea plants to white-flowered pea plants). His results are consistent with which of the following sets of parents? Multiple Choice homozygous dominant purple pea plant and homozygous recessive white pea plant heterozygous purple
. When Mendel crossed two purple-flowered pea plants with each other, he obtained a phenotypic ratio of 3:1 (purple-flowered pea plants to white-flowered pea plants). His results are consistent with which of the following sets of parents?
Multiple Choice
homozygous dominant purple pea plant and homozygous recessive white pea plant
heterozygous purple pea plant and homozygous recessive white pea plant
heterozygous purple pea plant and heterozygous purple pea plant
heterozygous purple pea plant and homozygous dominant purple pea plant
homozygous dominant purple pea plant and heterozygous white pea plant
.
If the two alleles for a particular gene are identical the gene pair is
Multiple Choice
heterozygous.
homologous.
dominant.
homozygous.
recessive.
The tissue that makes up the spinal cord and brain consists of Multiple Choice neurons only. platelets and neuroglia. platelets only. neurons and platelets. neurons and neuroglia.
The brain and spinal cord are composed of neurons and neuroglia.
The central nervous system consists of the brain and spinal cord which is made of nervous tissue.
The nervous tissue comprises neuron and neuroglia cells. Neurons are cells that can transmit signals through action potential. There are three types of the neuronal present in the CNS. They are sensory neurons, motor neurons and interneurons.
The neuroglial cells are the supporting cells which possess many specialized functions to support, protect and nourish neurons.
There are six types of neuroglia cells present in the CNS. They are astrocytes, microglial cells, ependymal cells, oligodendrocytes, satellite cells and schwann cells.
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explain what will happen to each of these two when they are placed into distilled water?
Answer:
THEY WILL FLOAT
Explanation:
MARK ME BRAINLEIST
Answer:
They will float
Explanation:
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