The definition of Epistasis in gene biology is Choice D: when the allele of one gene masks the phenotype of another gene
Definition:
When the phenotypic effect of alleles at one gene are masked by alleles of another gene.
In essence, a gene is said to be epistatic when its presence suppresses the effect of a gene at another locus.
It is important to know that Epistatic genes are often called inhibiting genes because of their effect on other genes which are described as hypostatic.
Additionally, there are six common types of epistasis gene interactions:
Dominant Dominant inhibitory, Duplicate dominant, Duplicate recessive, Polymeric gene interaction, Recessive.Read more:
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Where do daughter cells come from
Answer:
Parent cell
Explanation:
When a single parent cell divides, It creates two daughter cells. Hope this helps you!
The cell membrane is said to be semipermeable because
Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately.
Explanation:
Students construct a graphic organizer to illustrate the different levels of biological organization.
Organ → Organ system → X → Population → Community
Which term does the letter X represent in the graphic organizer?
A) Cell
B) Organism
C} Ecosystem
D) Biosphere
Answer:
B--Organism
Explanation:
Different levels of biological organization start from the least complex object and end at the most complex. Every object has objects preceding it that it is made up of.
In this question, the organ system is made up of several organs. A community is made up of several populations of different people. Think about this now: what makes up a population and is made up of organ systems? The most logical answer here according to the flow is B--an organism. An organism is made up of organ systems and makes up a population, which in turn allows several populations to make up a community.
Various levels of biological association begin from the smallest complicated entity and end at the most intricate is called biological organization. Every entity has things preceding it that it is composed of.
The organism is the letter X represent in the graphic organizer.
What is the biological organization?A certain level of the organization is established in the biological living beings and communities. The level of the organization starts from the most simple and the uncomplicated entity to the more complex beings and associations.The organ in this illustration is the small and complicated entity that links and forms the organ systems. Different organs make up the organs system like the esophagus, stomach, intestine makes up the digestive system.Various organs system combines in a body to form an organism like reproductive, circulatory, digestive etc. organs system make the organism as a whole.Various organism combines and interacts with each other to form a population of the same species in a defined area.A population of various species combines to form a community that lives together depending on each other for factors like food, shelter, water, nutrients etc.Therefore, option B is correct.
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How do enzymes use strain to catalyze reactions?
Answer:
Bond strain: enzymes can destabilize bonds within the substrate. Proximity and orientation: conformational changes in the enzyme upon substrate binding can bring reactive groups closer together or orient them so they can react.
Explanation:
State two reasons why the fetal blood must not mix with the maternal blood?
Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells
Explanation:
what is the term that describes the deffusion of water through a selectivity permable membrane
Answer:
Explanation:
(a) State three conditions, other than water and the concentration of mineral ions, that
would need to be kept the same for all the plants, in order to make the investigation a
fair test.
1.
2.
3
Answer:
1: Periods of Light
2:Temperature Substrate
3:Soil Type
Explanation:
Plants use magnesium ions to make chlorophyll in their leaves. Like in nitrate deficiency, the plant is limited in terms of its photosynthetic ability and the plant growth is compromised. Magnesium is a limiting factor in healthy plant growth.
The change in t between pH 6 and pH 7 must involve_________ of a proton in the active site. The best candidate is _______. The increase in Km at higher pH must involve a change in the binding site. The group involved is probably the ________ at Ile 16, created by the cleavage that activates chymotrypsin.
N-terminus
gain
His 57
Asp 102
C-terminus
Ser195
loss
losa ser ibmas que me dijiste que
Fill in the blanks:
transcription
translation
DNA
Match the DNA bases with its
complementary mRNA base:
in DNA: in mRNA:
A
T
С
G
EU
Construct a complementary mRNA strand
of the following strand of DNA:
AGC TCA CTG
Answer:
A - T
T - A
C - G
G - C
TCG AGT GAC
Describe the main structures involved in photosynthesis.
Answer:
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.
Explanation:
the process of red blood cell production is called
Answer: Erythropoiesis
Explanation:
The Allegheny mountain region of Virginia was formed between 250 and 280 million years ago. What event most
Likely caused the formation of the Allegheny Mountains?
-))
A)
The collision of two continental plates causing uplift
B)
The deposition of sedimentary rock over the Allegheny region
C)
Continental drift separating two plates to move apart slowly
D)
Geologic uplift of magma forming igneous rock that converted to
mountainous regions
Answer:
A the collision of two continental plates causing uplift or D the uplift of magma forming igneous rock that converted to mountainous regions
Explanation:
Answer:
A
Explanation:
The collision of two continetial plates causing uplift.
which type of muscle tissue is the only one that can respond to voluntary nervous stimulation in most people?
The type of muscle tissue that can respond to voluntary nervous stimulation is skeletal muscle. This type of muscle is the most common of the three types of muscle (skeletal, cardiac, and smooth muscle) in the body.
Skeletal muscles are a voluntary type of muscle attached to bones of the skeleton by tendons.
These muscles (skeletal muscles) are voluntary because they are activated in response to information received from the somatic nervous system.
Skeletal muscles comprise approximately 30-40% of the total body mass.
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What are the main superorders for the class Monocotyledonae?
Answer:
According to Sterm’s Introductory Plant Biology 15th edition, there are four subclasses in the class Monocotyledonae, including Commelinidae, Liliales, Alismatales, and Acorus.
when did hans and zacharias janssen contribute to the cell theory
An earthquake’s magnitude is a measure of the _____.
damage the earthquake causes
number of surface waves it produces
amount of shaking it produces
size of seismic waves it produces
Answer:
Size of the seismic waves generated by an earthquake
Explanation:
A ____________ is neither a plant, animal or bacteria but causes trouble to all living things.
Answer:
I say that fungi makes more sense, so a fungi is neither a plant, animal or bacteria but causes trouble to all living things.
Explanation:
Since fungi don't classify as plants and are more complex than bacteria's, as they obviously aren't animals.
The genetic code tells cells how to make proteins.
TRUE
FALSE
Check it
Answer:
false
Explanation:
tama po yan lang po sagot ko
can someone tell me why this is incorrect Ik it's not potential but I had a something going on with my test so I need help to figure out the right word because I forgot my original word I put in it.
Answer:It’s right
Explanation:
what is 29618 rounded to the nearest thousand
Answer:
30000
Explanation:
anything that is at least 29500 can be rounded up to 30000, and 29618 is included.
Brainiest?
houses nasal conchae to enhance turbulence for filtering air
Answer:
Houses nasal conchae to enhance turbulence for filtering air. larynx. Prevents food and liquid from entering the rest of the respiratory tract.
Explanation:
Houses nasal conchae to enhance turbulence for filtering air through nasal cavity. Hence, the correct option is A.
What is nasal cavity?It is a large air filled space within the nose and is part of the respiratory system. It is lined by an inner thin layer of moist mucous membrane which helps to humidify and filter the air as it is breathed in.
The nasal cavity is divided into two parts-the right and left nasal cavities, separated by a thin bony wall called septum. It is involved in the sense of smell, as small receptors located in the mucous membrane of the nasal cavity are responsible for detecting different odors.
Overall, the nasal cavity is a crucial part of the respiratory system and plays an important role in protecting the body from inhaled irritants, facilitating the sense of smell. Hence, the correct option is A.
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The question is incomplete, but most probably your complete question is,
Houses nasal conchae to enhance turbulence for filtering air:
a) nasal cavity
b) larynx
c) trachea
d) pharynx
Is it possible to run a farm and grow crops using fertilizers without negatively impacting the local watershed?
helpppppppp pleaaasse
HELP ASAP SHOW YOUR WORK AND EXPLAIN HOW YOU GOT YOUR ANSWER-NO LINKS OR JOKING AROUND
Compare the structures of viruses and cells.
Answer:
Cells have a double stranded DNA molecule and many strands of single stranded RNA as the copies. Viruses, however, can have double stranded DNA, single stranded DNA, double stranded RNA, or single stranded RNA. They convert RNA to DNA and then back to RNA to make proteins, which does not happen inside cells.
the beginning of the menstrual function is known as
!!!
is my answer correct??
pls see!!
Answer:
thats correct, good job!
Explanation:
can i have brainliest pls im trying to get to virtuoso
what is the difference between a joint and a fault?
Answer:
Fractures include joints and flaws. A joint is a fracture along which there has been no movement, which is generally generated by tensional pressures. A fault is a fracture or break in the rock that has allowed movement to occur. Near faults, more earthquakes are likely to occur.
in which phase of the cell cycle does dna replication occur?
Answer:
the S phase or the synthesis phase
state three items that are absorbed by the plant system ?
where do materials pass in the cell
outline three process absorption help to improve
give a real life scenario of how diffusion occur
what type of molecules do we deal with in osmosis
In eukaryotes, gene expression is regulated mostly by _____.
Answer:
Gene expression in eukaryotic cells is regulated by repressors as well as by transcriptional activators. Like their prokaryotic counterparts, eukaryotic repressors bind to specific DNA sequences and inhibit transcription.
Explanation:
In eukaryotes, gene expression is regulated mostly by transcription factors.
What are transcription factors?Transcription factors are proteins that bind to DNA in the promoter region of a gene, and they play a critical role in controlling when and to what extent a gene is expressed.
They can either activate or repress gene expression by promoting or inhibiting the recruitment of RNA polymerase. Transcription factors are themselves regulated by a variety of signals, including hormones, growth factors, and other external cues, as well as by feedback loops and other regulatory mechanisms within the cell.
Ultimately, this complex interplay of factors allows eukaryotic cells to precisely control which genes are expressed, when they are expressed, and to what degree, enabling them to respond to changing internal and external environments.
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When a biological vector is used, which process is used to ensure there are large amounts of DNA?
cloning
electrophoresis
genetic engineering
gene isolation
Answer:
*CLONING
Explanation:
it makes the most sense
