Both prokaryotic and eukaryotic cells use RNA polymerase to turn certain genes on or off. The correct option is A.
What is RNA polymerase?RNA polymerase, or more specifically DNA-directed/dependent RNA polymerase, is a molecular biology enzyme that synthesizes RNA from a DNA template.
The RNA polymerase enzyme is a large complex composed of many subunits. The prokaryotic RNA polymerase has four subunits that can transcribing all types of RNA.
These enzymes in eukaryotes have eight or more subunits that aid in the attachment and processing of DNA during transcription.
RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is a molecular biology enzyme that synthesizes RNA from a DNA template.
RNA polymerase is used by both prokaryotic and eukaryotic cells to turn genes on and off.
Thus, the correct option is A.
For more details regarding RNA polymerase, visit:
https://brainly.com/question/13326597
#SPJ2
fertilization is the process by which an a)egg and pollen combine b)embryos grow into plants c)animal carries pollen between plants d)ovule breaks open and release seeds
Answer:
l
Explanation:
why groups of animals are found on some islands but not others?
Answer:
Wilson has created the theory of the biogeographic nature of the island, which predicts that the number of species on the island depends on the balance between colonization, the evolution of the novel island species, and extinction.
Explanation:
A new DNA sequence containing 596 species of terrestrial birds from 41 island chains (archipelagos) around the world has been assembled by the researchers. The data combined sample data from their own field visits, research, and field samples from GeneBank colleagues. This information was utilized to build and employ a dynamic model that predicted international relationships that regulate biodiversity variation in their novel analysis approaches. In that, they confirmed two main components of MacArthur and Wilson's initial biogeography theory on the island.
The understanding of biodiversity on the island is important to conservation but also has implications beyond that – when imposing barriers to species dispersal it could enable us to assess better the effects of human activities, and it can contribute to a wider understanding of biodiversity around the globe.
Which experiment would BEST investigate the effect temperature has on the volume of a gas?
A.
Inflate one balloon to a large volume and another balloon to a small volume. Measure the temperature of the air released from both balloons.
B.
Stretch a balloon over the top of a beaker filled with baking soda and vinegar, then observe how the balloon changes volume as the reaction occurs.
C.
Measure the volume of a balloon filled with room temperature air; place the balloon in a freezer for an hour and measure its volume again.
D.
Measure the pressure of the air in a bicycle tire on a cold day.
Answer:
C.
Measure the volume of a balloon filled with room temperature air; place the balloon in a freezer for an hour and measure its volume again.
Hope this helps!
Measure the volume of a balloon filled with room temperature air; place the balloon in a freezer for an hour and measure its volume again would best investigate the effect temperature has on the volume of a gas. So, the correct option is C.
How volume effect the temperature of the gas?The ideal gas law states that the temperature of a gas is directly proportional to its volume. Specifically, the temperature of a gas will increase if its volume is decreased while its volume and pressure remain unchanged. If the volume of a gas is increased, its temperature will fall but its volume and pressure will remain unchanged.
This relationship can be explained by the fact that when a gas is compressed (that is, its volume decreases), the molecules are confined to a smaller area and move more away from each other and the walls of the container. Bars collide. Due to the increasing frequency of impacts, there is also an increase in kinetic energy, which increases the temperature.
So, the correct option is C.
Learn more about Volume, here:
https://brainly.com/question/29269026
#SPJ2
Plz help me well mark brainliest if you are correct!!
Answer:
All of these are natural resources.
Explanation:
Because they are not manufactured.
What are each of these blood vessels responsible for when it comes to transporting blood in the body?
Arteries
Capillaries
Veins
Which of the following is not an argument in favor of aquaculture?
A. Competition with fishermen
B. Reduction in seafood trade deficit
C. Job creation
D. Revenue generation
Answer: A. Competition with fisherman
Explanation:
I just took this test and also process of elimination its the only one that makes sense. :)
Answer:
Its A.
Explanation:
just took the test
How do i solve this problem?
What are the correct answers?
Answer:
please I can't see the words
a.
lose their leaves seasonally
b.
trees keep their leaves, whether broadleaf or needleleaf, year-round
a. angiosperm b. cryptosperm
O a. angiosperm b. gymnosperm
O a. gymnosperm b. angiosperm
a. cryptosperm b. chynosperm
Answer:
Should be B
Explanation:
Sorry for the previous wrong answer, I'm pretty sure it's B because I took the test and it said B
According to the question option, "B" trees keep their leaves, whether broadleaf or needle leaf, year-round a. angiosperm b. cryptosperm is correct.
What is the difference between angiosperms and gymnosperms?Gymnosperm seeds are configured as cones.
Thus, the correct option is "B".
To learn more about angiosperms click here:
https://brainly.com/question/12939745
check this for me pls
Answer:
it's both A and B for your answer
Explanation:
both genders can get this disease since it's being past down to their children or offspring, some may get that gene and some might not.
Drag the correct RNA bases to their matching DNA bases. Remember, guanine binds with cytosine and adenine binds with either uracil (in RNA) or thymine (in DNA).
Answer:
A-T
C-G
G-C
C-G
A-T
U-A
Explanation:
Thats how you pair RNA. Also follow GUNGAN_God#7570 on discord please.
Answer:
Hope it helps
Explanation:
(i got this one correct as you can see.)
Please rate 5 stars and give a thanks down there. you do not need an acount to do this (¬‿¬).How can genes be turned on and off?
Answer:
please give me brainlist and follow
Each cell expresses, or turns on, only a fraction of its genes at any given time. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation.
Based on the data, which of the following most accurately matches a potential change with its predicted effects on the southern Florida ecosystem?
A) Introduction of a new top predator species that preys solely on Burmese pythons would cause an increase in
the raccoon population.
B) If the population of Burmese pythons were to decrease, then the cotton rat population would increase.
С) If more Burmese pythons are introduced in the Everglades, then mosquitoes will begin feeding on white-tailed deer frequently again.
D) Introduction of a new snake species that competes with the Burmese python for food would lead to an
increase in the white-tailed deer population.
Answer: A
Explanation:
Introduction of a new top predator species that preys solely on Burmese pythons would cause increase in the raccoon population (i took this test)
In a microclimate, the conditions of the small area are______?
A. the same as in the larger surrounding area
B. microclimates do not exist
C. much different than in the larger surrounding area
D. always hotter than in the larger surrounding area
the answer should be option A
Does nutrients cycle within and between ecosystems?
The diagram above depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true? Select all that apply.
The diagram indicates an individual with an extra sex chromosome
The diagram illustrates a genetic condition found in females.
The diagram illustrates the results of nondisjunction during gamete formation.
The diagram indicates a mechanism for increasing genetic diversity in subsequent generations.
Answer:the diagram illustrates the results of non disjunction during gamete formation.
Explanation:
The following statements concerning the karyotype in the diagram is true - The diagram illustrates the results of nondisjunction during gamete formation.
Karyotype
Karyotype refers to the number and appearance of chromosomes present within the nucleus of a eukaryotic cell. It is illustrated as a diagram such as given in the question.
There is no Down's syndrome as the karyotype demonstrates a normal pair of chromosome 21. In this karyotype, there is an extra X-chromosome that depicts non-disjunction during either oogenesis or spermatogenesis (gamete formation) in the parents leading to the 23rd trisomy.
Learn more about Karyotype:
https://brainly.com/question/6588522
Draw the structures of deoxyribose, guanine, and phosphate and rate their relative solubilities in water (most soluble to least soluble). How are these solubilities consistent with the three-dimensional structure of double-stranded DNA?
Answer:
The solubilities in water of the three molecules from most to least soluble is in the following order: phosphate > deoxyribose > guanine.
Explanation:
The phosphate group is the most water-soluble due to it being very much negatively charged .
The deoxyribose which has several hydroxyl groups, is the next most water-soluble molecule.
The guanine molecule is hydrophobic, therefore, it is the least soluble in water.
A DNA molecule is composed of the three molecules: deoxyribose sugar, a phosphate group and a nitrogenous base which could either be a purine or a pyrimidine.
The three dimensional structure of DNA is such that the the phosphate groups and deodyribose sugars form the backbone of the structure on the outside of the DNA double helix where they are exposed to the aqueous environment of the nucleus. On the other hand, the hydrophobic nitrogeneous bases are located in the interior of the double helix where they are excluded from excludedthe aqueous environment of the nuclues. This structural arrangement is in accordance with the solubility of the molecules where the water-soluble phosphates and sugars are exposed to water while the water-insoluble bases are away from water.
The evolutionary species concept defines a species as: A. a group of populations that have shared a past and will have a shared future B. reproductively isolated populations C. smallest monophyletic taxa D. morphologically similar populations
Answer:
The correct option is A.
group of populations that have shared a past and will have a shared future
Explanation:
This is because evolutionary species concept is a concept that indicate a form of ancestry descendants or lineage of populations that descend from the same ancestors possessing similar characteristics which were inherited from the ancestry and these traits are evident in the future.
As a population grows past the ecosystem's carrying capacity the size of the population will (blank) until the size of the population stabilizes at a constant level.
What is the blank??
thx!
What are 3 ideas a family has on individuals?
Answer:
l
ove and caring for other family members; providing security and a sense of belonging; open communication; making each person within the family feel important, valued, respected and esteemed.
Explanation:
love and caring for other family members; providing security and a sense of belonging; open communication; making each person within the family feel important, valued, respected and esteemed.
Plz help Well mark brainliest if you are correct!!
Answer:
Rachel Carson (B)
Explanation:
She was an marine biologist.
An ecologist is someone who studies an environment such as the ocean and also studies the things in the environment.
Umami is one of the taste types that humans can recognize. Which selections below describes the taste of umami? savoriness, brothy, meaty salty sweet bitter
Answer:
a. savoury...........
Option A) savoriness, brothy, meaty
If a period contains many fossils of species that previously weren't found, what type of event most likely took place on Earth?
Question 17 options:
Natural selection
Population equilibrium
Punctuated evolution
Mass extinction
Answer:D
Explanation:
Answer:
Mass extinction
Explanation:
This mass introduction of new fossils points to a preceding mass extinction where many of the existing species died off.
Which phase describes "movement around each other" on a molecular level?
A) Solid
B) Gas
C) Liquid
D) Methane
Answer: I think it is liquid
Explanation:
Need help asap explain how scientists can use spectra to determine substances on another planet is what it says at the bottom
You can use spectra to determine substances on another planet is what it says at the bottom. This explains how scientists can use spectra to determine.
I need help on homework
Answer:
i wanna say the second to last one
Explanation:
3 types of animal like protest at least 3 types of plant like protest and at least 1 example of fungi like protozoan
Answer:
Animal-like protists include the flagellates, ciliates, and the sporozoans.
Explanation:
Slow cooling of magma produce
Answer:
The magma cools very slowly. As magma cools minerals are formed into an interlocking arrangement producing an igneous rock. As magma cools it undergoes reactions that form minerals. The rate of cooling is very important.
Explanation:
hope this helps
How does the photolysis of water benefit the biosphere?
The greatest amount of energy is released by the...
Which statement provides the best explanation of the difference in biomass of organisms found at each trophic level?
Answer: organisms at higher tropic levels have less energy available to them in organisms at lower trophic levels
Explanation:
