Answer:
not entirely sure but it could be because the cell is to big to fit through the membranes pores. the protein helps it get through! again, not really sure but that would be my best guess
Ras is a GTP-binding protein that is often defective in cancer cells. A common mutation found in cancer cells causes Ras to behave as though it were bound to GTP all the time, which will cause cells to divide inappropriately. From this description, the normal Ras gene is a/an
From this description, the normal Ras gene is normal Ras gene is a proto-oncogene.
Proto-oncogenes are normal genes involved in regulating cell growth and division. They play essential roles in cellular processes, including signal transduction pathways that control cell proliferation, differentiation, and survival.
However, when certain mutations or alterations occur in proto-oncogenes, they can become oncogenes, promoting uncontrolled cell growth and contributing to the development of cancer.
In the case of Ras, it is a proto-oncogene that codes for the Ras protein.
Thus, the Ras protein is a GTP-binding protein that acts as a molecular switch in intracellular signaling pathways, relaying signals from cell surface receptors to the nucleus.
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Which organisms produce about half of the Oxygen in Earth?
At least half of Earth's oxygen comes from the ocean.
The majority of this production is from oceanic plankton — drifting plants, algae, and some bacteria that can photosynthesize. One particular species, Prochlorococcus, is the smallest photosynthetic organism on Earth.
Which feature contains genetic material and is present in a eukaryotic cell but not in a prokaryotic cell?
Answer:
bacteria
Explanation:
b/c bacteria is not eukaryotic
What was the reason for the addition of the Bill of Rights to the U.S. Constitution?
Explanation:
To ensure ratification of the document, the Federalists offered concessions, and the First Congress proposed a Bill of Rights as protection for those fearful of a strong national government. The Bill of Rights came into effect in December 1791, after ratification by three-fourths of the state legislatures.
How are elephants and fishes alike?
Answer:
no I don't think so because the elephant has tusks and a long nose and fishes have gills and the elephant is a mammal
2
What is immunity?
(1 Point)
A. The body's ability to produce cells that inactivate foreign cells or substances.
B. The body's ability to regulate homeostasis through feedback loops.
C. The body's ability to produce the "fight or flight" response.
D. The body's ability to use the endocrine system to fight disease.
Immunity may be defined as the body's ability to produce cells that inactivate foreign cells or substances.
What is the significance of best immunity?The significance of the best immunity shields us by first constructing a barrier that prevents those invaders, or antigens, from entering the body.
The body's ability to produce the "fight or flight" response is stimulated by the sympathetic nervous system. The body's ability to regulate homeostasis through feedback loops by maintaining the process of homeostasis.
Therefore, immunity may be defined as the body's ability to produce cells that inactivate foreign cells or substances.
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Can someone please help me? :(
Answer:
Drainage Basin
Explanation:
I believe it's a drainage basin since it's going into a larger body of water
how did the bloods and krips began
Answer:
The Bloods gang was formed initially to compete against the influence of the Crips in Los Angeles.
Explanation:
I hope this helps! :)
Can Please please help
Answer:
You're right, D is Correct
Explanation:
I had this question a couple days ago
Answer:
See below ~
Explanation:
Evaluating the statements
Pea plants can only have tall or short stems. [correct !]A dark brown dog describes part of its phenotype. (visible features) [correct !]A bb individual has two recessive alleles. (recessive alleles are represented by lowercase letters) [correct !]⇒ All of the statements are correctA population of finches that have 3 different beaks live on an island. Each beak type is adapted to one of 3 specific food sources. Two of the three food sources are eliminated during a hurricane. What will happen to the finch population
Women are especially susceptible to severe bone degeneration characterized by loss of bone mass and increased bone porosity. This condition is called A. osteoarthritis. B. osteoporosis. C. bone atrophy. D. dendritic spreading.
Answer:
osteoporosis.
Explanation:
it because degeneration characterized by loss of bone mass and
increased bone porosity. osteoporosis.
science book which of the following evidence that Earth is a sphere ? choose all that apply
A. Higher Elevations allow you to see around the curve of Earth's horizon
B. You see only the top part of a ship as it sails over the horizon.
C. The sun and stars travel across the sky from east to west.
One theory of the extinction of dinosaur species is that a large meteorite impact on earth caused a major atmospheric change marked by colder temperatures. If this theory is correct, what adaptation of mammals probably allowed them to survive even though dinosaurs became extinct?.
The theory of extinction of the dinosaur species through a large meteorite impact is correct. It was the time of the Cretaceous period about 65 million years ago.
What do you mean by Extinction?Extinction may be defined as an evolutive process that leads to the disappearance of a species or a population from a specific habitat.
The adaptation of mammals probably allowed them to survive even though dinosaurs became extinct because of their diet and lifestyle. Herbivores dinosaurs depend on the plants which are destroyed due to meteorite impacts.
Other mammals changed their diet pattern as well as the place to live they lived in burrows to protect themselves from the firestorm, Dinosaurs being tall do not protect themselves from such activities.
Therefore, the theory of extinction of the dinosaur species through a large meteorite impact is correct. It was the time of the Cretaceous period about 65 million years ago.
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29. An investigation was carried out into competition between two species of grass,
Bromus madri-
tensis and B. rigidus. Equal numbers of seeds of B. madritensis were sown in a number of different
pots. In each pot, an equal number of seeds of B. rigidus was then sown a different number of
days after B. madritensis. The results are shown in the graph below.
Given that the total dry mass of plant material was the same in each pot, summarize the main
conclusions that can be drawn from this investigation. Suggest an explanation for the results
when the delay before sowing B. rigidus was 30 days.
100-
80
60-
Percentage
contribution of
B. madritensis
to total dry mass
after 45 days
40
20-
0
0
20
30
10
Delay before planting B. rigidus/days
The competition that exists between Bromus madritensis and B. rigidus is for food, sunlight and space.
What is biological competition?Biological competition refers to the interaction between two or more organisms of the same or different species in which both require a common resource that is in limited in their environment.
The effect of the competition between the two species of grass,
Bromus madritensis and B. rigidus is illustrated I. the graph.
Based on the graph, it can be seen that after a delay of 30 days, Bromus madritensis contributed to almost 100% of the total dry mass of the grass after 45 days.
This suggests that the available space and nutrients have been taken up completely by Bromus madritensis.
Therefore, the competition that exists between Bromus madritensis and B. rigidus is for food, sunlight and space.
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Are the necks of giraffes and other
mammals examples of homologous
structures or analogous structures? Cite
evidence to support your answer.
Answer:
The long necks of giraffes are also examples of homologous structures. Giraffes necks have seven cervical vertebrae, and together they are approximately eight feet in length and weigh over 600 pounds.
Explanation:
Explain how the processes of sedimentary rock formation change the geosphere.
Answer:
I think because of weathering, erosion, etc.
Explanation:
Sedimentary rocks are formed from weathering, the transportation of existing rocks and deposition, cementation, etc.
The image shows a soil horizon with its layers labeled. Which layer is nutrient rich and contains a mixture of humus, clay, and important minerals?
Answer:
The Topsoil layer.
Explanation:
The topsoil layer is a mixture of sand, silt, clay, and broken down organic matter, called humus. Humus is a rich, highly decomposed organic matter mostly made from dead plants, crunched-up leaves, dead insects, and twigs. Topsoil is the home of living things and the materials that they make or they change.
You are studying corresponding DNA sequences from three species of trout, which is a
type of fish. What questions can you ask, and then investigate, to help determine the evolutionary
relationship among the trout species?
The questions can you ask, and then investigate, to help determine the evolutionary relationship among the trout species are about the evolutionary changes.
What kind of evolution is processing?
The evolution of various organisms from a not unusual place ancester took place thru the mechanisms like gene duplication, gene amplification, and mutations. Accumulation of mutations gives insights at the phylogenetic evaluation of organisms.
From the given data, it could be stated that rainbow trout and brown trout have a current not unusual place ancestor. The species are carefully associated, and feature different very lately in phrases of evolution. However, the not unusualplace ancestor for not unusualplace carp and the opposite carps had different lengthy before, sufficient to build up enough mutations and display substantial version withinside the genotype of the chosen region.
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Which statements best compare
the function of an ATP molecule to a DNA molecule?
ATP carries and transmits the
genetic information of
organisms.
DNA a serves as a biological catalyst that speeds up the rate of chemical reactions.
ATP provides energy for chemical reactions in the cell.
DNA carries and transmits the genetic information of organisms.
J
ATP serves as
a biological catalyst that speeds up the rate of chemical reactions.
DNA acts as a structural sugar in the cell walls of plants.
J
ATP acts as a structural sugar in the cell walls of plants.
DNA provides energy for chemical reactions in the cell.
The main function of ATP molecule is to serve as an energy supply in the biochemical reactions that occur in an organism, while the function of DNA molecule is to contain the hereditary genetic information of an organism.
DNA is the base macromolecule of heredity, it is a nucleic acid that contains information on the hereditary characteristics of each living being.
ATP is a nucleotide-type organic molecule that is the universal chemical energy transporter in all cells.
DNA is responsible for storing all the genetic information of the individual, that is, the instructions for the synthesis of all the proteins that make up the body.
ATP is a fundamental molecule for various vital processes, since it is the main source of energy for the synthesis of complex macromolecules, such as DNA, RNA or proteins.
Therefore, we can conclude that ATP is a nucleotide that is essential for cells to obtain energy, while DNA presents the genetic information that living beings use to function.
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The statement which best compares is ATP and DNA is that ATP provides energy while DNA carries genetic information.
What is DNA?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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find the area of each triangle
Answer:
First you need the Formula of ( LXW X 1/2 = A)
Explanation:
For the first triangle we have a length of 8 and a width of 8. So we multiply
8 X 8=6464 X 1/2 = 32Hence Triangle 1 Equals 32Yd^2TRIANGLE 2
6 X 5=3030 X 1/2 = 15Hence Area= 15ft ^2TRIANGLE 3
10 X 8 =8080 X 1/2=40Hence Area is 40in^2What category of gymnosperms is pollinated by the snout beetle?
A. cycads
B. gnetophytes
C. conifers
D. ginkgo
Answer:
A Cycads
Explanation:
Cycads are unique among gymnosperms in that they are pollinated by insects like beetles and, in rare cases, thrips.
Station #5 Punnett Squares
1. What is the probability their offspring
will have... (Draw the punnett squares)
a. Brown fur?
b. Long hair?
c. Short tail?
(only want 1st question please)
This result gives you the probability that an offspring will have the dominant trait.
For example (2/4)*100 = 50, therefore there is a 50% probability of an offspring having brown hair. 4.
How do you find the probability of offspring using a Punnett square?Count the total number of boxes in your Punnett Square.
This gives you the total number of expected offspring. Divide the by. Multiply the number from step 4 by 100 to get your percent.
Thus, This result gives you the probability that an offspring will have the dominant trait.
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Describe the role of one organ
system in the human body.
Define the term joint.
Answer:
1- Heart: the heart is in charged of pumping blood around your whole body, this is thanks to the way the heart beats, the heart beats are that make this possible. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.
2- Joint: is the part of the body where two or more bones meet to allow movement. Every bone in the body except for the hyoid bone in the throat meets up with at least one other bone at a joint.
I WILL GIVE BRANLIEST. PLSSS
A single birch tree may transpire as much as 260 liters of water in a day. How much
water would a grove of 1,000 birch trees return to the atmosphere in a year?
Answer:
94 million liters.
Explanation:
260*1000=260,000
260,000*365=94,900,000
Which two locations would most likely have similar temperatures and
amounts of rainfall and humidity?
Answer:
Places in tropical zones
The statement, it is a matter of chance which homolog goes to which daughter cell best describes _____.
Answer:
independent assortment;
Explanation:
During metaphase I, maternal and paternal homologs line up randomly at the metaphase plate.
hope this helps!!
In a monohybrid cross, what is the predicted ratio of offspring with the dominant phenotype compared to those with the recessive phenotype?.
The predicted ratio of offspring for monohybrid and Heterozygotes are
Mp=3:1
Hz=1:4
What is a monohybrid cross?
Generally, A monohybrid cross is simply defined as an experiment involving organisms from the P generation that varies in a single characteristic.
What is the predicted ratio of offspring with the dominant phenotype compared to those with the recessive phenotype?
The monohybrid predicted ratio of offspring is
Mp=3:1
For Heterozygote we see a ratio of four out of 16, this gives a ratio of
Hz=1:4
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How are the carbon, nitrogen, and oxygen cycles similar? a. they are all biogeochemical cycles. b. they all involve an interaction between living and nonliving elements. c. they are all part of the earth system. d. all of the above. please select the best answer from the choices provided a b c d
The carbon, nitrogen, and oxygen cycles, similar as they are all biogeochemical cycles, involve an interaction between living and nonliving elements, and all are part of the earth's system. The correct option is d, all the above.
A chemical substance travels through Earth's biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments via a biogeochemical cycle, also known as substance turnover or cycling.
One of many natural cycles, a biogeochemical cycle involves the movement of conserved matter through the biotic and abiotic components of an ecosystem.
Carbon, oxygen, and nitrogen cycles come under the biogeochemical cycle and these cycles include living organisms and other elements of the earth.
Therefore, the correct option is d, all the above.
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Why do methane is a gas at room temperature and water is a liquid, even though both molecules are similar in size and mass?
Please help
Answer:
Water can hydrogen bond.
Explanation:
Liquids become gases once they are heated to a certain temperature. Heat is a form of energy. This change occurs when the intermolecular forces between the liquid molecules are energized enough to break. This breakage is necessary because gaseous molecules exist individually and do not interact with one another. That being said, it takes more heat to boil water because its intermolecular forces are stronger than methanes.
Intermolecular forces (IMF) are a result of partial charges on the molecular atoms that cause temporary bonds to form between molecules.
Methane is a nonpolar molecule, meaning each atom can only have slight partial charges. The strongest IMF methane participates in are London Dispersion Forces.
Water, however, is a polar molecule, with the hydrogens having strong partial positive charges and the oxygens having strong partial negative charges. This allows water to participate in a very strong IMF called hydrogen bonding. Again, because these partial charges are so strong, the water molecules can form stronger IMFs.
*When molecules have stronger IMFs, they require more energy(heat) to overcome them.*
The promotion of companies’ sustainably harvested rainforest products is intended to _______. a. produce cheaper products b. promote overconsumption c. give the company a competitive advantage d. produce more expensive products
The promotion of companies' sustainably harvested rainforest products is intended to give the company a competitive advantage. Thus, the correct option is C.
What are the products of Rainforests?The products of rainforests generally include some food yields like cassava, cocoa, nuts, yams, and other commercial products like silk, rubber, cotton, etc.
Rainforests are required to harvest sustainably by the effort of individuals, municipal corporations, and even government authorities.
The promotion of such companies once take the initiative to harvest the rainforests sustainably, they are intended to give a competitive advantage.
Therefore, the correct option for this question is C.
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Answer:
C. give the company a competitive advantage
Explanation: EDGE 2023