A mutation in the RAS gene can cause cells to divide uncontrollably, which is a key feature of cancer. However, not all RAS gene mutations lead to cancer as other factors also play a role. A sketch could demonstrate a normal cell with a functioning RAS protein and a mutant cell with an overactive RAS protein causing uncontrolled cell division.
Explanation:In a normal cell, a gene called RAS helps regulate cell division. Mutations in the RAS gene could lead to constant activation of this gene, causing cells to divide uncontrollably, which is a key feature of cancer. A sketch illustrating this may have a cell with a well-labelled RAS protein in a normal cell comparing this to a 'mutant' cell with an overactive RAS protein causing increased cell division.
It's important to note that not all mutations in the RAS gene lead to cancer. Other factors, such as cell environment and affected tissue type, also play a critical role in whether a RAS mutation will indeed lead to the development of cancer.
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Infections of which sexually transmitted disease can be greatly reduced by a vaccination?
Which is not an adaptation of desert animals that help them retain and acquire water in such a hot and dry environment?
a. burrow in moist soil or live in underground dens
b. excrete uric acid instead of urine
c. evolved an internal ‘air conditioning' system to help them stay cool
d. obtain water from the plants and animals they eat please select the best answer from the choices provided?
The correct answer is C
why might a animal conservation group report more on evidence of climate change
Which two groups are the most similar in physical characteristics? Eukarya and Eubacteria Archaea and Eubacteria Archaea and viruses Archaea and Eukarya
Archaea and Eubacteria
Since dna has a negative charge in which direction will it go in the gel if there are bubbles what does this mean
"abnormal enlargement of air sacs in the lungs can lead to which condition"
Result of this action potential releases what ion from the terminal cisternae
A well supported testable explanation of phenomena that have occurred in the natural world is called
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What unit is used to measure surface temperature of the planets?
a.
Kelvin
c.
Degrees Celsius
b.
Degrees Fahrenheit
d.
Angstroms
Answer:
The correct answer is option A. Kelvin.
Explanation:
Kelvin is the is unit of temperature measuring like Celsius and Fahrenheit. The planet's temperature is mostly measured in the kelvin unit of temperature however degree Celsius and degree Fahrenheit also use to measuring in many cases.
Kelvin is an international unit of temperature which is equal to the -273 degree celsius and in planetary science mostly kelvin is used as the unit of measurement.
Thus, the correct answer is option - a. kelvin
In science, a scientific theory is defined as a/an __________.
In any dihybrid cross where both parents are heterozygous for both traits, what is the phenotypic ratio of the offspring? A)1:1:1:1
B)6:3:2:1
C)9:3:3:1
D)12:4:3:1
In any dihybrid cross ration is 9:3:3:1.
What is the phenotypic ratio of a dihybrid cross if both parents are heterozygous for both traits?
The phenotype ratio predicted for dihybrid cross is 9 : 3 : 3 : 1. If parents are heterozygous, and one allele for each trait exhibits complete dominance.
What is phenotypic ratio of dihybrid cross?
In Mendel's dihybrid cross the phenotypic ratio was 9 : 3 : 3 : 1.
Hence , C is correct option
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What information is not required on the nutritional portion of a food label?
i had this question and it was price
hope this helps
Answer:
Price
Explanation:
Out of all the options "Sizes" is the only option that is not included on the label.
The nutrition facts label is nutritional information that is written on the packaged food that shows the percentage of the nutrients present in the packaged food.
Different countries in the world has their nutrition guidelines for all packaged food that are been sold in daily basis
nutrition information that's well detailed helps the consumers to have a good eating habit and this information can only be produced by the producers.
Some information on the label includes;
1.)INGREDIENTS; the ingredients are usually arranged in certain order I.e from the major ingredients(highest quantity) to minor ingredients (lowest quantity) such as sucrose,additives and others. and any FDA- certified must be included.
2.)DAILY VALUE; It is used on food label to so that the consumers can plan a healthy diet, it provide the percentage of the nutrients that is contained in a serving of food.
3.)PORTION SIZE; is the amount of a food consume in single occasion.
What did Charles Darwin discover about the theory of evolution?
Answer:
natural selection
Explanation:
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The process of producing recombinant dna involves taking a gene from one organism and attaching it to the dna from another organism. write and an analogy that describes this process.
In order to get around the lack of ability of prokaryotes to remove introns from precursor rna, it may be necessary to
Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother's pouch immediately after birth are all examples of ________.
The answer is 'instinct'. This is innate complex behavior exhibited by an organism that is not learned. Some common examples are dogs shaking themselves dry when wet, honeybee communication via intricate dances, animal courtship behavior during mating season and the building of nests by birds.
Innate behaviors are hardwired actions that occur naturally in animals, such as migration in birds and imprinting in geese, where they follow an object that resembles their mother after birth.
Explanation:Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother's pouch immediately after birth are all examples of innate behaviors. Innate behaviors are those that are hardwired into an animal's biology and are performed without prior experience or training. These behaviors occur naturally in all members of a species. Migration is one such behavior, where animals move from one place to another, often in response to environmental changes, such as the change of seasons. Birds, for example, migrate to find warmer areas with more food during the winter months.
Imprinting is another example of innate behavior, seen in species like geese, which refers to the critical period shortly after hatching when they form attachments and follow objects that resemble their mother.
List and explain the factors that influence blood pressure, and describe how blood pressure is regulated.
Based on this activity which of these definitions best explains the phrase "survival of the fittest"?
a. only the strongest organisms of a species survive
b. only the surviving and reproducing organisms of a species survive
c. only the most attractive organisms of a species survive
d. only the organisms with dominant alleles of a species survive
who ever helps i will mark a brainlest plsss help me
Which of the following is an example of a nonrenewable resource?
Question 1 options:
hydroelectric power
soil
wind
coal deposit
Question 2 (20 points) Question 2 Unsaved
Which of the following is a renewable resource?
Question 2 options:
wind
fossil fuel
mineral deposit
all of the above
Question 3 (20 points) Question 3 Unsaved
What is a strategic mineral?
Question 3 options:
one that is exported from the United States
one that must be imported to the United States
a nonmetallic resource
one that is easily removed from the ground
Question 4 (20 points) Question 4 Unsaved
What is the most common use of water in the United States?
Question 4 options:
industry
agriculture
domestic use
power plants
Question 5 (20 points) Question 5 Unsaved
Which of the following would reduce water tables?
Question 5 options:
snowmelt
flood
water pollution
overpopulation
Could the mitochondrial DNA of either James Carnegie or Countess Xenia be used to try to identify the skeleton of Tsar Nicholas?
Final answer:
The mitochondrial DNA of James Carnegie or Countess Xenia cannot be used to identify the skeleton of Tsar Nicholas.
Explanation:
The mitochondrial DNA of either James Carnegie or Countess Xenia could not be used to try to identify the skeleton of Tsar Nicholas because mitochondrial DNA is inherited maternally and Tsar Nicholas would not have inherited his mitochondria from either James Carnegie or Countess Xenia. Mitochondrial DNA can only provide information about maternal lineage. Therefore, it would be more useful to examine the mitochondrial DNA of Tsar Nicholas, any known maternal relatives, or other individuals directly related to Tsar Nicholas through a maternal line.
which type of relationship do the parrotfish and the rabbitfish have in the corral-reef environment
The answer is Commensalism. This is a kind of symbiotic relationships, it is an association of organism benefits the others while the other is unharmed. Also it is a relationship between two organisms where the one benefits the other while the other is not affected.
While working in a forensic lab, you are given a bit of tissue to analyze. it has several layers. the upper surface consists of dead, flattened cells. as you move deeper into the tissue, the cells look healthier. the bottom layer of cells is actively dividing. under the dividing layer is an acellular protein goo. you identify the sample as ________ tissue?
PLEASE, SOMEONE HELP ME! :) When we think about the effects of air pollutants we immediately think of respiratory issues. Exposure to one criteria air pollutant has harmful effects on the cardiovascular system including increased occurrence of heart attack and stroke. These effects can result in emergency department visits, hospitalizations and, in some cases, premature death. As expected, exposure to this pollutant is also linked to harmful respiratory effects, including asthma attacks. What is this pollutant?
A) ozone
B) sulfur dioxide
C) carbon monoxide
D) particulate matter
A plant that has been raised in a sterile environment shows symptoms of a viral infection. how would you explain this?
Which organism listed below does not extract energy through cellular respiration?
a. horse
b. bison
c. sequoia tree
d. human
e. all living organisms extract energy from food through cellular respiration?
The fungal group with the largest number of known species is:
Consider the consequences of a mutation in the dna template sequence 5'atg3' to 5'ttg3': what is (a) the resulting change in the mrna codon and (b) the effect on the corresponding amino acid? see section 16.4 (page 344) .
A client and her partner are working together to achieve an unmedicated birth. the client's cervix is now dilated to 7 cm, and the presenting part is low in the midpelvis. what should the nurse instruct the client to do that will alleviate discomfort during contractions
DNA and RNA are both
Answer
made up of nucleotides and carry molecules from one end of a cell to another
molecules that contain genetic information and are made up of nucleotides
monomers of protein molecules that provide structure to a cell’s nuclear membrane
protein molecules that carry the unique genetic information of an organism,
Which two muscle types contract by shortening of the sarcomeres? select all that apply?