Over the past four decades, researchers have identified many types of ______. Examples include growth factor receptors, transcription factors, and intracellular signaling proteins
Over the past four decades, researchers have identified many types of oncogenes, including growth factor receptors, transcription factors, and intracellular signaling proteins.
What are oncogenes?These are specific genes in an organism that can cause the formation of cancer. These genes are prone to defects that when activate, signal for a cell to become a tumor. The genes listed in the question are some examples of the types of cells that can be oncogenes.
Therefore, we can confirm that over the past four decades, researchers have identified many types of oncogenes, including growth factor receptors, transcription factors, and intracellular signaling proteins.
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Which advantage do angiosperms and gymnosperms have over mosses?
Answer:
They are seed plants and consequently do not rely on water for fertilization as do the ferns and mosses.
Explanation:
The study of how genes are transferred from parents to their children and the role of genes in health and disease is known as.
Which of the following is the most likely flow of energy in an aquatic ecosystem? a. phytoplankton → mammal → zooplankton → fish b. phytoplankton → zooplankton → fish → mammal c. zooplankton → phytoplankton → mammal → fish d. mammal → fish → zooplankton → phytoplankton
The flow of energy in an aquatic ecosystem phytoplankton → zooplankton → fish → mammal.
What does the bottom-up model?The bottom-up effect means that a lower trophic level in the biological network affects the community structure of higher trophic levels by means of resource restriction.
whereas the top-down effect refers to a higher trophic level that influences the community structure of a lower trophic level through predation.
Thus, opotion "B" is correct.
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expermant laveas test strach
Answer:
Experimental Procedure:
Mix 10 drops of tincture of iodine with 30 drops of water to make an iodine solution. Put a cracker on a plate, and test it for starch using a drop of the iodine solution. Chew a second cracker for 60 seconds until it is completely mixed with saliva.
Dendrites within interneurons have multiple synapses due to ______
Answer:
Dendritic tree with many synapses. It is shown that dendrites have extensive connections with the axons in the form of axodendritic synapses, which form an important mode of communication between neurons (see Synapse below and Ch. 6, p. 110).
Explanation:
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How are proteins related to DNA? What con cause damage or a change in DNA, and how does that change the structure and function of proteins?
Answer:
hi there, proteins are related to DNA because DNA carries the instruction for synthesizing proteins, which can code for a certain amino acids based on the sequence.
Explanation:
A change in base sequence can be either good or bad. But... Usually... a mutation could be a main factor that changes the sequence of the protein, which causes it to code for a different amino acid than the original. Base pairs could either substituted, deleted, or inserted, which usually are what a mutation could be caused by or consisted of. This is also known as a gene mutation, which are changes in genes .
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How is oxygen in the air made during photosynthesis?
A. Splitting apart carbon dioxide
B. Attaching oxygen together
C. Attaching water together
D. Splitting apart water molecules
Answer:
D
Explanation:
by process known as photolysis
Which phrase best describes the need for ion channels?
ions must be able to interact with the charged regions of the cell membrane
o ions need to be sheltered from interacting with the charged regions of the cell membrane
Oso nutrients may enter the cell
O so nutrients may exit the cell
Ion channels are specialized proteins in the plasma membrane that provide a passageway through which charged ions can cross the plasma membrane down their electrochemical gradient. The resulting ionic current, generated by the movement of charged ions through membrane channels, can be measured by patch-clamp methods.
Ion channels must be able to interact with the charged regions of the cell membrane so nutrients can enter the cell.
What are ion channels?
Ion channels are passages in the cell membrane that allow the passage of charged molecules such as
Sodium: Na+Potassium: K+Ions pass from one side to the other of the cell according to the electrochemical gradient. In other words, they go from a place with high concentration to one of low concentration. But to do this, they need to interact with the charged regions of the membrane, which are the ion channels.
Ions channels are one of the ways that nutrients enter the cell.
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Which choice best describes a plant cell? A cell that uses sugars.
B cell that has a nucleus.
C cell that has a cell wall.
D A cell that has a cell membrane.
Answer: C
Explanation:
All of the following are rivers in the fertile crescent except for the _____.tigrisnilejordaneuphrates
The minerals hematite and magnetite are sources of
a iron
b. lead.
C. Zinc
d. copper
Multiple meanings the word matrix can be used to describe things shaped in a pattern of lines and spaces. How does this relate to a mitochondrion?
The mitochondrial matrix is the fluid inside the mitochondria. It is required during cellular respiration.
What are mitochondria?Mitochondria are eukaryotic organelles that can be considered the energy factories of this type of cell.
Mitochondria are able to synthesize ATP (the energy coin of the cell) by a process called cellular respiration.
The mitochondrial matrix is a fluid inside the mitochondria which is required to create a proton gradient during cellular respiration.
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The term matrix in relation to a mitochondrion states that a fluid or jelly-like substance which is present inside the mitochondria and plays a vital role during cellular respiration.
What do you mean by Mitochondria?Mitochondria may be defined as a double membrane-bound cell organelle that is known as the powerhouse of the cell. This is because the energy required for various activities is released by mitochondria in the form of ATP.
The matrix of the mitochondria consists of small-sized ribosomes and DNA, which possess genetic information.
The mitochondrial matrix is the site of metabolic activities like the TCA cycle which is responsible for the conversion of pyruvate and fatty acids to acetyl-CoA.
Therefore, the term matrix in relation to a mitochondrion states that a fluid or jelly-like substance which is present inside the mitochondria and plays a vital role during cellular respiration.
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State one similarity and one difference between the responses of tropism and mastic movement.
Explanation:
The similarity between tropic and nastic movement is - both are the result of external stimulus and the difference between tropic and nastic movement is the direction of the response is not dependent on the direction of the stimulus in the case of nastic movement but in the case of tropic movement, the response is dependent on the moment.
What adaptation has the stigma developed that helps with fertilization?
An adaptation in the stigma that helps with fertilization is the ability of pollen grains to germinate on this structure. It allows plants to reproduce.
What is an adaptation?
An adaptation can be defined as a type of trait that allows organisms to survive and reproduce in particular conditions.
Adaptation favors the process of natural selection, which involves differential survival and reproduction.
Moreover, stigma is a plant structure that receives pollen grains (male gametes) during fertilization.
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Greg has been given a small sample of metal. His teacher has assigned him to identify what type of metal he was given.
Which of the following is a physical property that will help Greg to identify the metal most accurately?
A.
ability to rust
B.
density
C.
ability to burn
D.
color
How did the genus homo adapt to accommodate the obstetric dilemma?.
The genus homo adapted to accommodate the obstetric dilemma through the following:
Birth development where the head of the baby rotates.Assistance during labor.What is Obstetrics?This is the branch of medicine which deals with pregnancy, childbirth and the postpartum period.
The genus homo adjusted to obstetrics dilemma by ensuring assistance during labor to ensure safe delivery of the babies by the females.
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During apoptosis, which cellular organelle does the work of breaking up the nucleus and causing the cell to die?
ribosome
mitochondrion
lysosome
Golgi apparatus
Answer: Lysosomes
Explanation: Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.
If this is Personal to god I am sorry. Anyways, since, god was a human before, Who made the People with him And, Him?
Speaking form a Christian perspective, God was never a human, he is a being. His son Jesus on the other hand is half human and half god. I personally believe that God was never made and he has always existed. It makes no sense to us humans since all we've ever known was that everything has a beginning and ending. I think there is more to our universe than we are capable of understanding.
What are some specialized structures that help marine fishes live and reproduce in the ocean?
Some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:
FinsSwim bladderGillsWhat are specialized structures?Specialized structures are those structures possessed by certain organisms that enable them adapt to their environment.
Fishes are known to adapt to aquatic environments whether marine or freshwater ecosystem.
Therefore, some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:
Fins - for swimming and changing directionSwim bladder - for buoyancy in waterGills - for breathingLearn more about specialized structures at: https://brainly.com/question/25039796
Location plays a role in wetland type, but is not the sole determining factor. please select the best answer from the choices provided t f
The statement Location plays a role in wetland type, but is not the sole determining factor is true.
What factors affect wetlands?
The most significant factor producing wetlands is flooding. The period of flooding or long soil saturation by groundwater determines whether the resulting wetland has aquatic, bog or marsh vegetation.
Other critical factors include fertility, natural nuisance, competition, herbivory, burying and salinity.
Thus, the statement is true.
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Answer:
True!
Explanation:
According to the World Health Organization, persistent organic pollutants (POPs) are found in nearly all tested organism tissues and environmental samples. Which characteristic of POPs accounts for their presence in living tissues and in environmental samples?
Answer:
POPs are lipophilic, which means that they can be stored in fatty tissues for long periods of time.
Explanation:
A 30.0 x 10^8 L sample of nitrogen inside a rigid, metal container at 19.50 °C is placed inside an oven whose temperature is 78.50 °C. The pressure inside the container at 19.50 °C was at 864.5 psi. What is the pressure of the nitrogen after its temperature is increased?
Answer:
Answer:
3.31 atm.
Explanation:
Gay-Lussac's law states that for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature.
∵ P α T.
∴ P₁T₂ = P₂T₁.
P₁ = 3.00 atm, T₁ = 20.0 °C + 273.15 = 293.15 K.
P₂ = ??? atm, T₂ = 50.0 °C + 273.15 = 323.15 K.
∴ P₂ = (P₁T₂)/T₁ = (3.00 atm)( 323.15 K)/(293.15 K) = 3.307 atm ≅ 3.31 atm.
Is the “extra finger” trait dominant or recessive? How do you know?
Answer:
It is recessive.
Explanation:
Having an extra finger, also known as polydactyly, is relatively rare, and people with polydactyly are unlikely to have children with the trait unless both the mother and father both have it, making it a recessive trait.
Which of the following happened partly in response the fire on the Cuyahoga River? Select two correct answers.
A)Rachel Carson wrote silent spring to detail the damage done by the fire. B)The location of the fire was declared superfund site. C)Congress passed the Clean Water Act into law. D)The national environmental policy act was passed, which led to the formation of the EPA
Answer:
- Congress passed the Clean Water Act into law.
- The National Environmental Policy Act was passed, which led to the formation of the EPA.
Explanation:
The following happened partly in response the fire on the Cuyahoga River are Congress passed the Clean Water Act into law. D)The national environmental policy act was passed, which led to the formation of the EPA.
Which river was caught on the fire?When Lake Erie – or extra precisely the Cuyahoga River which flows into Lake Erie – stuck hearthplace in 1969, it ignited a firestorm of public outrage over the indiscriminate dumping of sewage and commercial chemical compounds into the Great Lakes.
The 1969 river hearthplace stimulated the advent of the EPA and Clean Water Act. Catch up at the growing fire making headlines. Fish stuck withinside the Cuyahoga River, well-known for catching hearthplace withinside the Sixties at the moment are secure to eat, says the Ohio Environmental Protection Agency.
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food, water, living space, and diesese are examples of what
Answer:
im pretty sure it is a habitat
_____ contain similar genes but often different alleles. After DNA replication, ______ contain identical alleles combinations.
Chromosomes contain similar genes but often different alleles. After DNA replication, Homologous Chromosomes contain identical alleles combinations.
What is Chromosome?Chromosomes contains DNA ( deoxyribonucleic acid) which makes up the gene or genetic constituents of an individual.
The combination of alleles of a gene makeup the genotype.
Therefore, Chromosomes contain similar genes but often different alleles. After DNA replication, Homologous Chromosomes contain identical alleles combinations.
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How did both the redi and the pasteur experiment prove there was no such thing as spontaneous generation
Answer:
These experiments proved that there was no spontaneous generation, since the boiled broth if never reexposed to air, remained sterile.
What is the difference between monocot and dicot cotyloden
and
What is rhe relationship between monocot seed and dicot seed
Answer: The names of these groups are derived from the number of cotyledons or seed leaves that the embryonic seedling has within its seed. A monocot, which is an abbreviation for monocotyledon, will have only one cotyledon, and a dicot, or dicotyledon, will have two cotyledons.
Explanation:
true or false condensation occurs ehen water turns from a liquid to a gas?
Answer:
false
Explanation: