What does a Prokaryotic cell look like?
Answer:
This is what it look like
Explanation:
When referring to cell division, oncogenes are most like ________ while tumor suppressor genes are most like ________. the brakes on a car; the gas pedal on a car the steering wheel on a car; the gas pedal on a car the gas pedal on a car; the brakes on a car the brakes on a car; the steering wheel on a car
Oncogenes are most like the gas pedal on a car, while tumor suppressor genes are most like the brakes on a car. Oncogenes and tumor suppressor genes are mutated in cancer cells.
Oncogenes are genes overexpressed in cells in which they should not be expressed, thereby leading to cancer.
Some examples of oncogenes are growth factors such as, for example, the Platelet-derived growth factor (PDGF) or Epidermal growth factor (EGF).
Conversely, tumor suppressor genes are genes that act to regulate cell division and replication, thereby their inactivation also leads to cancer.
A well-known example of a tumor suppressor gene is the p53 gene that acts to control cell division and apoptosis (programmed cell death).
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D
Identify structure A.
Identify structure B.
Identify structure C
С
Identify structure D.
Answer:
what structure are you trying to identify?
Explanation:
What function do most of the stem cells in adults serve?
A. Differentiating into any type of cell
B. Repairing damaged DNA
C. Replacing damaged tissue
D. Growing new organs
Why is water important to the process of photosynthesis?
Answer:
In the process of photosynthesis water is important because 6 molecules of carbon dioxide and 6 molecules of water start the process of photosynthesis so without water photosynthesis won't happen.
Answer:
The reason water is important to the process of photosynthesis is because organisms who go through this process need not only sunlight, but carbon dioxide and water, to create their energy and oxygen.
Explanation:
I hope this helped!! :]
suppose a diploid cell with three pairs of homologous chromosomes (2n = 6) enters meiosis.
Meiosis occurs normally 3 only. In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes.
In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells that results in the production of gametes, such as sperm or egg cells. It comprises two rounds of division, producing four cells with only one copy of each chromosome as a final product (haploid). Additionally, each chromosome undergoes genetic material cross-pollination between the paternal and maternal copies before division, resulting in novel combinations of the genetic code on each chromosome. Later, when a male and a female go through meiosis, the haploid cells they generate unite to form the zygote, another cell with two copies of each chromosome. The most common genetic cause of developmental problems and the primary known cause of miscarriage are errors in meiosis that result in aneuploidy (an incorrect number of chromosomes).
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Suppose a diploid cell with three pairs of homologous chromosomes (2n=6) enters meiosis. How many chromosomes will the resulting gametes have in each of the following cases? Meiosis occurs normally
10)“If Jupiter was not there, there could be more terrestrial planets”. Explain how
Answer:
There would be minor changes in the planets' orbits about the Sun, but very little else. However, Jupiter does a great job of shepherding and absorbing small objects in the Solar System. With Jupiter gone, the main effect on Earth would be an increase in the rate of impacts from asteroids and other space flotsam.
Explanation:
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PLEASE HELP Describe how proteins facilitate the movement of things through the cell membrane.
Thank you to anyone who answers .
Answer:
I think C
Explanation:
Not 100% sure
Explain the relationship between ethics and good work habits.
Answer:
In a business, an ethical code is a defined set of principles which guide an organization in its activities and decisions and the firm's philosophy may affect its productivity, reputation, and bottom line. ... An ethically positive, healthy work culture enhances morale among employees.
Answer:
In a business, an ethical code is a defined set of principles that guide an organization in its activities and decisions and the firm's philosophy may affect its productivity, reputation, and bottom line. An ethically positive, healthy work culture enhances morale among employees.
Explanation:
4) did one allele go to genetic fixation? i.e. did only one allele remain at the end
In the context of genetic fixation, an allele reaches fixation when its frequency becomes 100% in a population, meaning that all individuals carry that specific allele.
Genetic fixation can occur through genetic drift, natural selection, or a combination of both factors.
If one allele goes to genetic fixation, it implies that only one allele remains at the end, and the genetic diversity at that specific locus is reduced.
This can have various implications for the population, such as decreased adaptability to changing environmental conditions.
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Before converting protein to glucose or fat, the _____ must be removed
amino group
peanut butter sandwich (peanut butter and bread)
the liver converts ammonia to the less toxic urea..
Before converting protein to glucose or fat, the amino group must be removed.
Proteins are composed of amino acids, and when the body needs energy, it can convert proteins into glucose through a process called gluconeogenesis or into fat through lipogenesis. However, before proteins can be utilized in these metabolic pathways, the amino group \((-NH_2)\) needs to be removed. This process is called deamination.
Deamination occurs primarily in the liver. The liver enzymes remove the amino group from the amino acids, resulting in the formation of ammonia \((NH_3)\). However, ammonia is toxic to the body, so the liver converts it into a less toxic substance called urea. Urea is then transported to the kidneys and excreted from the body through urine.
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What is the percent of slope on land where the elevation falls 3 feet in 75 feet of horizontal distance
A 4%
B 6%
C 4.5%
D 6.5%
Answer:
I pretty sure its C. 4.5%
Explanation:
Confirm the body cavity or cavities where the heart would be located by a) abdominal cavity.
b) pelvic cavity.
c) thoracic cavity.
d) cranial cavity.
The heart is located in the thoracic cavity.
The body is divided into cavities, each with its own location and function. The largest of these is the thoracic cavity, which is located in the chest. The rib cage surrounds it, and the diaphragm separates it from the abdominal cavity. This hollow houses various vital organs such as the lungs, trachea, oesophagus, and heart.
The heart is a critical organ that pumps blood to all regions of the body. It is located in the middle of the thoracic cavity, to the left of the midline, and is surrounded by a sac called the pericardium. This positioning enables the heart to efficiently pump blood to the rest of the body while also receiving a steady supply of oxygenated blood from the lungs.
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Can someone answer 14-6 please? Will mark brainliest
14 = Newton's third law is: For every action, there is an equal and opposite reaction.
15 = newton's third law says that forces must always occur in action and reaction forces.
16= a ball hitting a baseball
An animal that lives by eating other animals is called what
Answer:
carnivorous.
hope it helps
thanks
PLEASE HELP!
What situation is an example of artificial selection?
Select one:
a. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
b. Female bluegill fish prefer to lay their eggs in the nests of larger male fish.
c. Albino deer or rabbits have a low survival rate in nature, because it is easy for predators to spot them.
d. Penguins with higher body fat tend to survive nesting in the Antarctic winter, while leaner penguins often die.
Answer: A
Explanation: In artificial selection, humans determine what traits get passed down. For B, humans play no role in where the fish lays her eggs. For C, humans aren’t the ones killing the deer and rabbits — natural predators are. As a result, humans play no role. For D, humans also play no role in deciding which penguin lives.
For A, however, humans have caused African elephants to naturally lack tusks because of their hunting — this wasn’t natural or due to the environment. This was due to human intervention. As a result, it is artificial selection.
Which would a chemoautotroph use to produce energy?
Who is popularly known as CR7?
Cristiano Ronaldo......
Cristiano Ronaldo
(American footballer)
Difference between polar animals and desert animals.
Animals of the arctic often have thick fur and fat layers to insulate them from the cold, which contrasts with the sparse and short fur of desert animals. ... Endothermic animals living in deserts often exhibit the reverse pattern, being tall, small-bodied and possessing large ears that radiate excess heat well.
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Which region of the cerebral cortex perceives a full bladder and the feeling that your lungs will burst when you hold your breath too long? Oa. temporal lobe Ob. insula Oc. gustatory cortek Od. olfactory cortex Oe. vestibular cortex
The insula is also involved in other functions, including taste perception (gustatory cortex) and the integration of sensory information related to balance and spatial orientation (vestibular cortex).
The region of the cerebral cortex that perceives a full bladder and the feeling that your lungs will burst when you hold your breath too long is the insula, The insula, also known as the insular cortex or the insular lobe, is a folded region located deep within the lateral sulcus, a fissure that separates the temporal lobe from the frontal and parietal lobes of the brain. It is situated between the frontal, parietal, and temporal lobes.
The insula is involved in various functions, including the perception and integration of bodily sensations and emotions. It plays a crucial role in the processing and awareness of internal bodily states, referred to as interoception. The interoceptive abilities of the insula include the perception of visceral sensations, such as those originating from organs like the bladder and the lungs. For instance, when the bladder is full, the insula is responsible for generating the conscious sensation of needing to urinate.
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In Mendel's experiments, a trait that disappeared in the F1 generation but reappeared in the F2 generation was always a
Answer: A trait that disappeared in the F1 generation but reappeared in the F2 generation was always a RECESSIVE TRAIT.
Explanation:
The basic laws of genetics were laid down by an Australian monk in 1866, Gregor Mendel. From the results of his experiment, Mendel came to certain conclusions which are referred to as the Mendel's Laws of Heredity one of which includes the Law of Segregation of genes.
The Law of Segregation states that:
--> the hereditary characters of an organism are determined by genes
--> a gene for a character may have alternative forms ( alleles) which express the character in different ways;
--> if a diploid organism has two different alleles ( heterozygous) for a character, one allele may be dominant, dictating the expression of the character to the complete exclusion of the other ( the recessive allele).
Furthermore, Mendel's experiments can be proven by the study of a single- factor inheritance pattern. This is achieved by crossing a pure stock of white- flowered pea plants and red - flowered ones. The offspring of this cross are all red flowered pea plants. They form the F1 GENERATION.
Since only red flower colour is seen in the F1 generation, we say the the red flower form of the character is dominant. White colour, which does not show up in the F1 generation, but reappear in F2 GENERATION when F1 GENERATION is crossed, is said to be the recessive form of the character.
Therefore, this implies that the recessive traits can skip a generation to appear in future generations according to Mendel's experiments.
Answer: Yea it was Recessive.
Explanation: I got it correct on the test
Which is the best description of an organelle?
1The structures in prokaryotic cells are much larger.
2The structures in prokaryotic cells are used only for cell division.
3The structures in prokaryotic cells are not suspended in cytoplasm.
4The structures in prokaryotic cells are not enclosed in membranes.
Answer:
The structures in the prokaryotic cells are not enclosed in membranes
What is the difference between definite and indefinite articles.
Why is abscisic acid also known as stress hormone?
Answer:
Abscisic acid is referred to as a stress hormone as it causes different plant responses acting against stress conditions. It facilitates the seed dormancy and ensures the seed germinates under favorable circumstances. It also causes the closing of stomata when there is a drought.
A lion cub has the alleles B/B for a specific gene. Which of the following
parents could NOT be the father of this cub? *
А/В
А/С
B/C
B/B
please help, past due.
Consider the theory of ion exchange chromatography while answering the following:
A) What is the column bed volume of your column?
B) why wash the column with 5 mL of 6.2 pH buffer before adding protein sample? Remember that you have equilibrated the matrix with this buffer, so it can’t be to make sure the column is at the correct pH.
C) why wash the column with 5 mL of 6.2 pH buffer after addition of the protein sample? Why is this particularly important when dealing with crude cell extracts? Note that you made up he samples in 6.2 pH buffer, so your answer should not be to allow protein to get to 6.2 pH.
D) why does the hemoglobin elute first? What pH would you need to use to elute the cytochrome c from the column? Why do we elute cytochrome c with excess salt rather than raising the pH? Your answer
A) The column bed volume of a column depends on the type of column and the size of the beads in the column matrix. Generally, bed volumes range from 0.1 to 1.0 mL.
B) Washing the column with 5 mL of 6.2 pH buffer before adding the protein sample is important for two reasons. First, it ensures that the matrix is evenly packed and that the sample will flow through the column properly. Second, it helps to remove any impurities that may be present in the column matrix.
C) Washing the column with 5 mL of 6.2 pH buffer after the protein sample is added is particularly important when dealing with crude cell extracts because it helps to remove any non-specifically bound proteins from the column matrix. This will help to ensure that the proteins of interest are retained in the column and that only the desired proteins are eluted.
D) Hemoglobin elutes first because it has a lower isoelectric point than cytochrome c. To elute cytochrome c, a higher pH is needed. This can be achieved by adding excess salt, which raises the pH. Adding excess salt is a more gentle elution method than raising the pH, which can be damaging to some
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If both maize and teosinte are grown in the wild, which species is more likely to proliferate? Why?
Answer:
he maize is more likely to proliferate because of the human effect.
Explanation:
If both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.
What are maize and teosinte?Maize and teosinte are both members of the grass family, but they differ in several important ways. Maize, also known as corn, is a domesticated crop that has been selectively bred over thousands of years to produce larger, more desirable ears for human consumption. Maize has a much larger ear size than teosinte, and its kernels are also larger and more closely packed together.
Hence, if both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.
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which lymph nodes are highlighted? which lymph nodes are highlighted? aortic cervical axillary thoracic
Answer:
Can't see the "highlighted part" so I'mma take a shot in the dark and say Cervical and Thoracic
Explanation:
Axillary lymph nodes are highlighted. Option 3 is correct.
Axillary lymph nodes are a group of lymph nodes located in the armpit region. They are a part of the lymphatic system, which plays a vital role in maintaining the body's immune system. The lymphatic system is responsible for producing and transporting lymph, a clear fluid that contains white blood cells, around the body. The lymphatic vessels carry lymph through lymph nodes, which filter and purify it before returning it to the bloodstream.
The axillary lymph nodes are important because they drain lymph from the upper limbs, chest, and breast. They act as a checkpoint for the lymphatic system, filtering out harmful substances and infectious agents before they can enter the bloodstream. They also play a critical role in the body's immune response to infections and other diseases. Hence Option 3 is correct.
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