Answer:
cheery and Tuesday kuphela kukhona e show yami i can't wait to
What is the cytoplasm in a slug's cells called?
Answer:
The main components of the cytoplasm are cytosol (a gel-like substance), the organelles (the cell's internal sub-structures), and various cytoplasmic inclusions. The cytoplasm is about 80% water and usually colorless.
Answer:
the plazma membrain
Explanation:
is sleep deprivation inherited or spontaneous
Answer:
inherent
Explanation:
its most likely inherited
Leonora is a medical lab technician who detects interferons in a person's blood sample and concludes that the person has?
They detect in the immune system that germs or cancer cells are present in the person's body.
What are interferons?Your body's natural defenses include a class of proteins known as interferons. They alert your immune system to the presence of pathogens or cancerous cells in your body. Additionally, they activate killer immune cells to combat the invaders. Because they "interfere" with viruses and prevent their growth, interferons received their name.
A family of naturally occurring proteins known as interferons is produced and secreted by immune system cells (for example, white blood cells, natural killer cells, fibroblasts, and epithelial cells).
To learn more about interferons, Visit: https://brainly.com/question/14325814
#SPJ4
a second-site mutation that compensates for the mutation in one gene by mutating a second gene and restoring the wild-type phenotype is also known as a .
A suppressor mutation is a second-site mutation that occurs in a different gene and compensates for the original mutation by restoring the wild-type Phenotype.
A second-site mutation that compensates for the mutation in one gene by mutating a second gene and restoring the wild-type phenotype is known as a suppressor mutation. Suppressor mutations occur in genes that are distinct from the original mutated gene and function to restore the normal phenotype.
Here's a step-by-step explanation:
1. A mutation occurs in a gene, resulting in an altered phenotype different from the wild-type (normal) phenotype.
2. Subsequently, a second-site mutation occurs in a different gene, which is called the suppressor gene.
3. The suppressor mutation compensates for the initial mutation, either by directly counteracting its effect or by modifying a different part of the biological pathway.
4. As a result of the suppressor mutation, the wild-type phenotype is restored, and the organism appears normal.
Suppression can be intragenic or intergenic. Intragenic suppression happens within the same gene, while intergenic suppression occurs in a different gene. In this case, we're discussing intergenic suppression.
In summary, a suppressor mutation is a second-site mutation that occurs in a different gene and compensates for the original mutation by restoring the wild-type phenotype.
To Learn More About Phenotype
https://brainly.com/question/19239499
SPJ11
define and describe osmosis
Answer:
Movement of a solvent (such as water) into a solution with a higher solvent concentration by means of a semi-permeable membrane (as from a live cell), which tends to equal solute concentrations in the membrane on both sides.
Explanation:
Osmosis, the spontaneous transition, distribution, or diffusion of water and other solvents over a semipermeable membrane. In 1877, a German physiologist, Wilhelm Pfeffer, researched the process, which is important in biology.
Osmosis is the passage of water down its concentration gradient, across a semi-permeable membrane. An everyday example is a plastic wrap in your kitchen: it allows air and water vapor to move across it, but no water or food. The membranes of cells are semi-permeable, too.
A digestive enzyme turns starch into sugar. This is an example of
A.larger molecules being broken down into smaller molecules.
B. liquid being absorbed and a solid being created.
с.smaller particles joining and forming a larger molecule.
D. a solid being dissolved by a liquid.
Answer:
(A)
Enzymes can break down nutrients into small, soluble molecules that can be absorbed. For example, amylase causes the breakdown of starch into simple sugars.
I hope this helps..
Answer:
A
Explanation:
Had to learn this in college
1. Why is the bird on the right more likely to pass on its genes than the bird on the left?
2. Why would some variations/traits be passed on to the next generation and some seem to disappear over time?
3. What type of adaptation/traits do you think would be good to pass on to your children?
Answer:
1because it has a bigger and larger beak
2because of the development of the technology, genes change overtime and more now because of the global warming
3somewhere natural,traits:values,justice,self defense,to take care of the environment, etc
Explain how DNA fragments are separated by gel electrophoresis
Gel electrophoresis is a widely used technique in molecular biology that allows for the separation of DNA fragments based on their size and charge.
The process involves several steps:
Preparation of the gel: A gel matrix, usually made of agarose or polyacrylamide, is prepared and poured into a gel tray. Small wells are created at one end of the gel, which will hold the DNA samples.
Loading the samples: DNA samples, which have been treated with restriction enzymes to generate fragments of different sizes, are loaded into the wells of the gel.
Applying an electric field: The gel tray is immersed in a buffer solution, and an electric field is applied across the gel. One end of the gel serves as the positive electrode (anode), and the other end as the negative electrode (cathode).
Migration of DNA fragments: When the electric field is applied, negatively charged DNA fragments migrate through the gel towards the positive electrode. Smaller fragments move more quickly through the gel matrix, while larger fragments move more slowly.
Visualization of DNA bands: After the electrophoresis is complete, the DNA fragments are visualized using stains or fluorescent dyes. The bands formed on the gel represent the separated DNA fragments, with each band corresponding to a specific size.
By analyzing the position and intensity of the DNA bands, researchers can determine the size of DNA fragments and gain insights into various genetic phenomena, such as gene mapping, DNA sequencing, and genetic variation analysis.
Know more about Gel electrophoresis here:
https://brainly.com/question/6885687
#SPJ8
Question 12
In general, a nucleus tends to be radioactive when the ratio of protons to neutrons is greater than
3 to 3.5
1.0 to 1.5
0.5 to 1.0
2.0 to 2.5
Question 13
The spontaneous decay of a radioactive isotope is called
artificial transmutation
natural transmutation
fission
fusion
This instability arises due to the delicate balance between the strong nuclear force, which holds the nucleus together, and the electromagnetic force, which repels positively charged protons.
When there are too many protons relative to neutrons, the repulsive electromagnetic force becomes dominant, leading to an unstable nucleus that seeks to achieve a more balanced state by emitting radiation.
The spontaneous decay of a radioactive isotope is called natural transmutation. Natural transmutation refers to the process where an unstable nucleus spontaneously undergoes radioactive decay without any external influence.During natural transmutation, the unstable nucleus releases particles or electromagnetic radiation to reach a more stable configuration. This process is fundamental to the concept of radioactive decay and plays a significant role in understanding the behavior of radioactive isotopes in various scientific and practical applications.
Learn more about natural transmutation
brainly.com/question/1450163
#SPJ11
First gets brainliest
Answer:
new moon
Explanation:
What exact cells are localized to the neural plate of the embryo during the third week of prenatal development?
a. Neuroectoderm
b. Mesenchyme
c. Somites
d. Endoderm
During the third week of prenatal development, the cells localized to the neural plate of the embryo are called neuroectodermal cells.
Neuroectodermal cells are a specialized group of cells that give rise to the nervous system. They are derived from the ectoderm, which is one of the three primary germ layers formed during embryogenesis. The ectoderm initially forms a flat sheet of cells called the neural plate, which is located in the midline of the developing embryo.
The neural plate consists of neuroectodermal cells that will undergo further specialization and differentiation to form the neural tube, the precursor to the central nervous system. The neural tube will eventually develop into the brain and spinal cord.
During the third week of prenatal development, the neural plate undergoes a process known as neural tube formation. The edges of the neural plate fold upward, forming a groove called the neural groove, while the cells at the edges of the groove migrate toward the midline. As these cells migrate and fuse together, the neural tube is formed. The closure of the neural tube occurs first in the middle and then progresses in both cranial (head) and caudal (tail) directions.
In summary, during the third week of prenatal development, the cells localized to the neural plate of the embryo are the neuroectodermal cells. These cells undergo a complex process of neural tube formation, ultimately giving rise to the central nervous system, including the brain and spinal cord. This early stage of neural development is crucial for the subsequent growth and maturation of the nervous system throughout the remainder of fetal development and beyond.
To know more about Neuroectoderm, visit ;
https://brainly.com/question/30322961
#SPJ11
How many gallons of sodium hypo chlorite solution containing 5% available chlorine should be added to 50 gallons of water in a chlorine chemical solution tank to prepare a chlorine solution of 200 mg/L
We need to add approximately 0.138 gallons (or about 0.52 liters) of the sodium hypochlorite solution to the 50 gallons of water in the chlorine chemical solution tank to prepare a chlorine solution of 200 mg/L.
To determine the amount of sodium hypochlorite solution needed, we can use the following equation:
C1V1 = C2V2
C1 = 5% = 0.05
V1 = unknown
C2 = 200 mg/L
V2 = 50 gallons
First, we need to convert the desired concentration of the chlorine solution from milligrams per liter to pounds per gallon:
200 mg/L = 200 mg/L * 1 g/1000 mg * 1 lb/453.59 g * 1 gallon/3.7854 L ≈ 0.000138 lb/gallon
Now we can plug in the values into the equation and solve for V1:
0.05V1 = 0.000138 * 50
V1 = 0.000138 * 50 / 0.05
V1 ≈ 0.138 gallons
To know more about sodium chlorite:
https://brainly.com/question/30875370
#SPJ4
What two important properties do all lipids share?
Answer:
all lipids repel water. all lipids are made primarily of carbon and hydrogen
Explanation:
i hope this helps:)
The NADPH produced during the PPP is the reducing power for the synthesis of: Oxaloacetate Pyruvate Fatty acids Glucose Acetaldehyde
The NADPH (nicotinamide adenine dinucleotide phosphate) produced during the Pentose Phosphate Pathway (PPP) serves as a reducing agent and is involved in various metabolic processes. While it is not directly involved in the synthesis of oxaloacetate, pyruvate, acetaldehyde, or glucose, NADPH does play a crucial role in the synthesis of fatty acids.
Fatty acid synthesis occurs in the cytoplasm of cells and requires NADPH as a reducing agent for the conversion of acetyl-CoA to fatty acids. During fatty acid synthesis, acetyl-CoA is carboxylated to form malonyl-CoA, which is then elongated through a series of reactions catalyzed by enzymes called fatty acid synthases. The reduction of these fatty acid intermediates to form fatty acids requires NADPH as a source of reducing power.
To summarize, NADPH produced during the Pentose Phosphate Pathway is primarily used as the reducing power for the synthesis of fatty acids, rather than for the synthesis of oxaloacetate, pyruvate, glucose, or acetaldehyde.
For more such questions on NADPH
https://brainly.com/question/21425534
#SPJ8
a cross between a white seeded plant and a black seeded plant produces offspring that all bear grey seeds. upon crossing the f1 generation, you observe black, white and grey seeded offspring (f2). you conclude that you are observing:
The observed results indicate a complex pattern of inheritance involving multiple genes, as evidenced by the range of seed colors in the F2 generation.
The observed results suggest that the inheritance of seed color in this particular plant follows a complex pattern of inheritance, possibly involving multiple genes. The initial cross between a white seeded plant and a black seeded plant produced offspring with grey seeds (F1 generation), indicating incomplete dominance or blending inheritance.
However, when the F1 generation plants were crossed, the resulting offspring (F2 generation) showed a wider range of seed colors, including black, white, and grey. This suggests that there is a segregation of genetic factors influencing seed color in the F2 generation, possibly due to the presence of different alleles for seed color. The inheritance pattern might involve multiple genes or interactions between genes, leading to the observed variation in seed color among the F2 offspring.
To learn more about genes follow the link:
https://brainly.com/question/24081751
#SPJ4
The correct question is:
A cross between a white seeded plant and a black seeded plant produces offspring that all bear grey seeds. Upon crossing the f1 generation, you observe black, white and grey seeded offspring (f2). What you can conclude from the observation?
Which of these is considered a long-term effect of alcohol abuse?
Answer:
you didnt give the options for the awnser but these are some examples...
Explanation:
The long-term effects of alcohol abuse include alcoholism, liver disease, pancreatitis, malnutrition and cancer.
In the next generation, this population has 14 HH members, 63 Hh, and 74 hh. Is the population in equilibrium? Answer either yes or no.
There should be more individuals with the dominant trait so the population is not in equilibrium.
Answer:
In the next generation, this population has 14 HH members, 63 Hh, and 74 hh. Is the population in equilibrium? Answer either yes or no.
NO
Explanation:
got it right on edge 2020
Helpppppppp aquatic questionnnnn will give brainliestt and most points i can
Answer:
6.c
8.c
I'm not sure about the rest.
which is true about the effect of hormones on glycogen degradation? group of answer choices epinephrine stimulates glycogen breakdown through a signaling pathway in which protein kinase a is activated by cyclic amp epinephrine stimulates glycogen degradation in liver but not in muscle. glucagon suppresses (slows) glycogen breakdown in liver. glucagon stimulates glycogen synthesis in muscle.
Epinephrine stimulates glycogen breakdown through a signaling pathway in which protein kinase A is activated by cyclic AMP. So the correct option is a.
This pathway leads to the activation of enzymes involved in glycogen breakdown, such as glycogen phosphorylase, which catalyzes the cleavage of glucose molecules from glycogen. Epinephrine is produced in response to stress or exercise and acts as a hormone to mobilize energy reserves, including glycogen, to meet the increased energy demand. Glucagon, on the other hand, stimulates glycogen breakdown in the liver and does not have a significant effect on muscle glycogen breakdown. Glucagon also stimulates glycogen synthesis in the liver and inhibits glycogen synthesis in muscle.
Learn more about glycogen breakdown
https://brainly.com/question/31418419
#SPJ4
Which of the following is most likely pseudoscience?
Option A. A salesman describes how sickness is caused when your body’s energy is not flowing properly and his wristbands help balance your energies is the most likely pseudoscience.
What is pseudoscience?Pseudoscience is a belief or statement which is presented as scientific but is not in accordance with the scientific method. They are usually claims or beliefs that are easy to disprove with the scientific method, since their claims are vague and contradictory instead of rigorous evidence.
Therefore, we can confirm that option A. A salesman describes how sickness is caused when your body’s energy is not flowing properly and his wristbands help balance your energies is the most likely pseudoscience.
Which of the following is most likely pseudoscience?
A. A salesman describes how sickness is caused when your body’s energy is not flowing properly and his wristbands help balance your energies.
B. A scientific journal explains the procedure of an experiment to determine the density of Earth’s layers by detecting changes in the speed of waves passing through them.
C. A doctor recommends an antibiotic to cure an infection.
D. The Environmental Protection Agency publishes weekly updates on the radiation levels at various beaches and warns vacationers not to sunbathe without using sunscreen.
To learn more about pseudoscience visit: https://brainly.com/question/12257058
#SPJ1
Which substance is associated with immunosuppression in shock? A. Glycogen B. Cortisol C. Renin D. Antidiuretic hormone.
D. Antidiuretic hormone.
Cortisol is a substance is associated with immunosuppression in shock. Option (B) is correct.
Cortisol is a hormone produced by the adrenal glands in response to stress. During shock, the body undergoes a significant stress response,
leading to the release of cortisol. Cortisol plays a crucial role in regulating the immune system. However, in high levels, it can have immunosuppressive effects.
During shock, cortisol levels rise as part of the body's stress response. High levels of cortisol can suppress the immune system, inhibiting immune cell function and reducing the body's ability to mount an effective immune response. This immunosuppression can leave the individual more susceptible to infections and impair the body's ability to fight against pathogens.
It's important to note that while cortisol has important regulatory functions in the body, excessive or prolonged elevation due to conditions like shock can have negative effects on the immune system.
To learn more about Cortisol here
https://brainly.com/question/13664204
#SPJ2
Compare and contrast the cell structures / organelles found in plant and animal cells.
list 3 organelle/structures plant and animal cells have that are the same
list 2 organelles/structures plant and animal cells have that are different
Answer:
They both have a cell membrane.
they both have a nucleus
they both have the endoplasmic reticulum
Explanation:
One has a cell wall
one has a big vacuole and the other have many little vacuoles
The fact that cats and humans are both classified as mammals provides us with which minimum of information?
O Both have mammary glands
O Humans evolved from cats
O Cats have descended from other cats
O The ancestors of humans was a cat like creature
O Cats and Humans are unrelated
Answer:
a. option :both have mammary glands is the correct answer right no
Most superficial layer of the epidermis, characterized by dead, keratinized squamous cells.
The stratum Corneum is the Most superficial layer of the epidermis, characterized by the dead, keratinized squamous cells.
It is the superficial and skin-deep layer of the epidermis. This layer of the skin is exposed to the exterior environment. It contains increased keratinization of the cells and its name is also based on it.
Stratum Corneum contains about 20 layers of cells and it is responsible for providing protection to the underlying soft and sensitive layers.
This layer is replaced after every 4 weeks because the old cells are shed off and the new cells are provided by stratum granulosum.
If you need to learn more about Stratum Corneum, click here
https://brainly.com/question/13645555?referrer=searchResults
#SPJ4
describe the symbiotic relationship between bacteria and leguminous plants
describe one path that a carbon atom could follow through the carbon cycle
Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
What causes allele frequency patterns that are seen in hybrid zones
A hybrid zone is a geographic region where two previously separated populations with distinct gene pools come into contact and interbreed, resulting in offspring with mixed ancestry. These hybrid populations may exhibit allele frequency patterns that differ from those of the parental populations due to several factors that can cause changes in the frequency of alleles.
One major cause of allele frequency patterns in hybrid zones is hybridization. When individuals from different populations interbreed, their offspring may inherit combinations of alleles from both parents that differ from the parental gene pools. This can result in the formation of novel genotypes and phenotypes that were not present in either parental population.
Another factor that can influence allele frequency patterns in hybrid zones is natural selection. When hybrids are exposed to different environmental pressures than their parents, natural selection can favor certain traits and alleles that are advantageous in the new environment. Over time, this can lead to changes in allele frequencies and the evolution of new hybrid populations that are adapted to their environment.
Migration and genetic drift can also play a role in shaping allele frequency patterns in hybrid zones. When individuals move into or out of a hybrid zone, they can introduce new alleles or reduce the frequency of existing ones. Genetic drift can cause random fluctuations in allele frequencies due to chance events, such as founder effects or bottlenecks, which can have a greater impact in small, isolated populations.
Overall, the allele frequency patterns observed in hybrid zones are the result of complex interactions between genetic, environmental, and demographic factors that can lead to the formation of unique hybrid populations with distinct characteristics and evolutionary trajectories.
To know more about populations visit :
https://brainly.com/question/15889243
#SPJ11
francisco wrote these notes on one of the scientists who contributed to cell theory:1838studied plantsused a microscopeconcluded that plants are made of cellswho are these notes about?virchowschleidenleeuwenhoekschwann
Francisco wrote these notes on one of the scientists who contributed to cell theory: 1838 studied plants used a microscope concluded that plants are made of cell. this note is about Matthias Jakob Schleiden.
Matthias Jakob Schleiden in 1838 studied plants used a microscope concluded that plants are made of cell.
One of the cornerstone discoveries in biology is the cell theory, which states that all plants and animals, as well as all of their parts, are always composed of cells. Insightful conclusions from this theory include the following: growth is a process in which ever-increasing numbers of cells, which are always formed from cells, are formed; cells also play a crucial role in reproduction because, through cell division, new individuals always emerge from living cells. Matthias Schleiden initially proposed the cell theory for plants in 1838.
Learn more about Matthias Jakob Schleiden at https://brainly.com/question/13839159
#SPJ4
An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
Learn more about Gravitational acceleration, here
https://brainly.com/question/3009841
#SPJ1
How many gigaton of carbon do animals produce.
Answer:
7.1 gigatons of CO2 equivalent per year
Explanation: