Notch is a receptor protein displayed on the surface of certain cells in developing fruit fly embryos. Notch’s ligand is a membrane-bound protein called Delta that is displayed on the surface of adjacent cells. When Notch is activated by its ligand, the intracellular tail of the Notch protein becomes separated from the rest of the protein. This allows the intracellular tail to move to the cell’s nucleus and alter the expression of specific genes.
Which of the following statements best explains Delta’s role in regulating cell communication through the Notch signaling pathway?
A. Delta transmits a chemical signal to all the cells of a developing embryo.
B. Delta allows the cells of a developing embryo to communicate without making direct contact.
C. Delta restricts cell communication to short distances within a developing embryo.
D. Delta determines which cells in a developing embryo express the gene that encodes the Notch protein.
If Delta is displayed on the surface of adjacent cells, and when Notch is activated by its ligand, the intracellular tail of the Notch protein becomes separated from the rest of the protein and allows the intracellular tail to move to the cell’s nucleus and alter the expression of specific genes, then C. Delta restricts cell communication to short distances within a developing embryo best explains Delta’s role in regulating cell communication through the Notch signaling pathway.
What is cell communication in a signaling pathway?The expression cell communication in a signaling pathway makes reference to the molecular cascade activated by the interaction of biomolecules synthesized by two or more cells
Therefore, with this data, we can see that cell communication in a signaling pathway depends on the biomolecules of the cells.
Learn more about cell communication here:
https://brainly.com/question/14107379
#SPJ1
What are two ways that reproduction happens in living organisms?
There are two techniques by which living things imitate, agamic or sexual.
True or false all of the water that is on the earth will always be here because of the water cycle
Answer: The statement appears to be true.
Classify each item as a first, second, or third line of defense.
First Line of Defense:
Second Line of Defense:
Third Line of Defense:
-Skin
-Mucosal membranes
-Macrophages
-Eosinophils
-Inflammation
-Fever
-Humoral immunity
-Cell-mediated immunity
-Lymphocytes
-Antibodies
Put each item into the first, second, and third category of lines of defense. The initial line of defense is made up of the skin and mucosal membranes. Macrophages serve as the second line of defense.
What is a good illustration of humoral immunity?Innate humoral immunity refers to innate immunity that is protein-based. The body's complement system, interferon, and interleukin-1 (which induces fever) are a few examples.
How does humoral immunity function?Antibody-mediated immunity is another name for homunculus immunity. B cells will develop into blood B cells, which can manufacture antibodies against a particular antigen, with the aid of helper T cells. The body's immune immune system responds to pathogen antigens that are in the environment or outside of the diseased cells.
To know more about immunity visit:
brainly.com/question/8189807
#SPJ4
Drag the labels to their appropriate locations to identify the type of point mutation shown. a) silent mutation b) nonsense mutation c) missense mutation
The type of point mutation shown: a) silent mutation
b) nonsense mutation
c) missense mutation
d) Frameshift mutation
Any change in the DNA sequence of a cell. Mutations can be caused by mistakes in cell division or by being exposed to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or inactive.
Hereditary mutations cause cystic fibrosis, hemophilia, and sickle cell disease. Other mutations can happen on their own during a person's life. These are known as sporadic, spontaneous, or new mutations. They only affect a small number of cells.
Genetic mutations are changes to your DNA sequence that occur during cell division, or when your cells multiply. Your body's DNA coding directs it on how to create and operate. Hereditary mutations can cause genetic disorders like cancer, or they might help people adapt to their surroundings over time.
learn more about mutation to visit this link
https://brainly.com/question/17130462
#SPJ4
plantas de herbolaria mexicana que usamos para calmar problemas digestivos??
AYUDA ES PA HOY
The genetic information in a gamete is identical to one of the original separated sets of chromosomes in the parent.
1.True 2.False
The given statement " the genetic information in a gamete is identical to one of the original separated sets of chromosomes in the parent" is true because gametes contain only one of a chromosome pair that exists in the diplod parents cells.
Hence, the correct option is True.
What are chromosomes?A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA fibers in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.
During the process of gamete formation or meiosis in parental sex cells, the pair of chromosomes in the parent cells divide to produce daughter cells or gametes containing only singer chromosomes,
Thus, the gametes contain only one set of chromosomes identical to the parent's chromosomes.
Learn more about gametes and chromosomes at: https://brainly.com/question/1603737
#SPJ1
Answer: it’s True<3
Explanation: WHY HASNT YALL BE ONLINE!!!
or
Scientists theorize that all life started with simple prokaryotic organisms. New species continue to evolve
from existing species, creating the variety of life we see today. The following diagram shows the basic
process.
fungi
(oukaryotic,
unicellular,
multicellular)
protista
(eukaryotic,
uni-or
multicellular)
eubacteria
(prokaryotic,
unicellular)
animalia
(eukaryotic
multicellular)
universal
ancestor
plantae
(eukaryotic
multicellular)
archaebacteria
(prokaryotic,
unicellular)
Based on this diagram, do you think that organisms of the same order will share a stronger evolutionary
relationship than organisms that share only the same phylum? Explain your reasoning using the results of
your investigation.
The evolutionary relationship is stronger the more similarity. The taxonomical hierarchy's lower levels show more similarity. Thus, the organisms of the same species exhibit the greatest degree of similarity.
What is taxonomical hierarchy's?Taxonomic hierarchy is an organizational structure used to classify or categorize living organisms.
Of course, organisms that belong to the same order will have a closer evolutionary bond than those that belong to the same phylum alone. Taxonomy groups organisms in various ways, as we all are aware. Kingdoms are the highest level of classification, followed by phyla, classes, orders, families, and species. The similarities between organisms will become more specific with each succeeding unit. In other words, when organisms are further subclassified, they share similar traits.
The order of organisms belonging to the same phylum is not required. The class, phylum, and kingdom of any two organisms from the same order, however, will always be the same.
For instance, the cockroach order Blattodea and the human order Primates. These two belong to the phylum chordata. But we are aware of the differences between cockroaches and people.
However, another member of the primate order, such as the monkey and the chimpanzee, have stronger evolutionary ties to humans and share more traits with them.
Therefore, the evolutionary relationship is stronger the more similarity. The taxonomical hierarchy's lower levels show more similarity. Thus, the organisms of the same species exhibit the greatest degree of similarity.
To learn more about taxonomical hierarchy's
https://brainly.com/question/1304906
#SPJ1
Item 12 Which organisms belong to the Kingdom Planta? Select the two correct answers. A. lichens B. fern C. virus D. moss
Ned the Neuron is a pretty busy guy. His job is to fire anytime he sees a vertical line in his visual field. Ned's specialty is ____.
In the scenario where the job of Ned the Neuron is to fire anytime when he sees a vertical line in his visual field. Ned's specialty is feature detection.
The ability to detect certain kinds of stimuli, such as shapes, movements, and angles requires specialized cells in the brain called feature detectors. It means that feature detection is a sort of serial processing in the human information-processing system whereby increasingly complex aspects of the stimulus are processed in sequence. For instance, the visual system has feature detectors for lines and angles of various orientations as well as for more complex stimuli, such as faces.
You can learn more about feature detectors at
https://brainly.com/question/13948275
#SPJ4
1. Naomi has blue eyes (bb), freckles (Ff), dimples (Dd), and curly hair (SS). Naomi is heterozygous for.
eye color and hair texture
freckles and dimples
eye color and dimples
freckles and hair texture
In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Boubacar sets up a website where players can buy and sell these costumes online. Information about the number of people who visited the website and the number of costumes purchased in a single day is listed below. 120 visitors purchased no costume. 235 visitors purchased exactly one costume. 3 visitors purchased more than one costume. Based on these results, express the probability that the next person will purchase no costume as a percent to the nearest whole number.
Answer:
34%
Explanation:
120 + 235 +3 = 358
120/358= .335
.335 = 34%
Answer:
124/431
Explanation:
I'm pretty sure this right
What is the direction of the 4 typhoon?
4 typhoon means a wind threat that has the high speed of wind can attack 118-184 km/h.
What is a typhoon and what is the direction of the typhoon?Typhoon is defined as a tropical cyclone with a maximum wind of 34 knots or higher. A tropical cyclone with a maximum wind of fewer than 34 knots is called a tropical depression. The difference between the two types of tropical cyclones is just if the maximum wind is less than or above the threshold of 34 knots.
Tropical cyclones (Typhoon ) form between 5 and 30 degrees North latitude that move toward the west. Sometimes the winds in the middle and upper levels of the atmosphere change and move the cyclone toward the north and northwest direction.
So we can conclude that a typhoon is a tropical cyclone that includes a maximum wind of 34 knots or maybe higher.
Learn more about Typhoon here: https://brainly.com/question/26837235
#SPJ1
1: Describe the Early Ideas about Natural Selection
2: Who was Charles Darwin and what was his contribution to science?
Don't copy from the internet, If you do, Summarize it into an answer no longer than 2-3 sentences and make it your own words
BIG BRAIN ANSWER:
Before Darwin, a naturalist named Jean-Babtiste Lamarck believed that the environment altered the shape of individuals and that these acquired changes were then inherited. Meanwhile, Charles Darwin was a naturalist on a ship called the HMS Beagle, and he discovered that the beak shape varies among finch species in the Galapagos Islands. He found that the beak of an ancestral species of finch had somehow been transported to these islands, and adapted over time to acquire different food sources that were available, causing variation, and that nature just selected for the most suitable beak shape and against less useful ones.
If a grain of the average apple tree pollen has 17 chromosomes and is used to pollinate an ovule, then the resulting apple seed will contain
Apple seeds produced from pollen have 17 chromosomes, so these seeds will contain 34 chromosomes.
Seeds are embryonic plants that are covered with a protective coating on the outside. Seed formation is part of the reproductive process in seed plants, namely spermatophytes.
Inside the seed, there is an embryo formed from the meeting between the male gamete (stamen) and the female gamete (pollen). The embryo has its position inside the seed, precisely at the core of the seed, and is surrounded by existing food reserves.
Because the seeds come from the meeting of 2 gametes, the number of chromosomes is 34, half of the male parent and half of the female parent.
Learn more about sex chromosomes at https://brainly.com/question/23541481
#SPJ4
What are the 3 classes of mollusks and how are they different?
The three main classes of mollusks are: Gastropods, Bivalves and Cephalopods. Gastropods have a single large foot, bivalves have two calcareous shells and Cephalopods are recognized by their unique method of locomotion.
Mollusks are the organisms of the phylum Mollusca. It is recognized by the presence of calcareous shells, visceral mass, muscular foot. The Mollusca is the second largest phylum of kingdom Animalia.
Cephalopods are the largest animals amongst all invertebrates, They are recognized for their method of locomotion where they release a stream of water through the body for their movement. Cephalopods have a well developed nervous system as well as closed circulatory system.
To know more about cephalopods, here
brainly.com/question/29410020
#SPJ4
PLEASE HELP ASAP PLEASE!!
Answer:
B
Explanation:
The answer is B I think
Am not too sure but I think it is B
How do you rule a X-linked recessive pedigree?
Ruling a X-linked recessive pedigree involves analyzing the family history and pattern of inheritance of a trait or disorder to determine if it is likely to be inherited in an X-linked recessive pattern.
The disorder can be identified by:
Construct a pedigree by gathering information about the family history of the trait or disorder. Identify the pattern of inheritance by analyzing the transmission of the trait or disorder within the family. X-linked recessive disorders typically show a pattern of transmission in which affected males are only found in the direct line of descent from a female carrier. If the disorder is only found in males and not females, or if it is found mostly in males, it could be X-linked recessive.Exclude other possible modes of inheritance. Confirm the mode of inheritance by performing genetic testing. Genetic tests such as DNA sequencing or linkage analysis can be used to identify the specific genetic mutation causing the disorder in affected family members. Identify the specific gene mutation. With the help of genetic testing and linkage mapping it's possible to identify the specific gene and the mutation that causes the disorder.To know more about Pedigree analysis, click here,
brainly.com/question/14525981
#SPJ4
Transcriptional regulators bind most frequently at the ______ site of DNA. A) major groove. B) minor groove. C) histone complex. D) primary supercoil.
Answer:Major groove
Explanation:
Transcriptional regulators bind most frequently at the major groove of DNA. The major groove is a wider, more accessible groove on the surface of the DNA helix, while the minor groove is narrower and deeper. Transcriptional regulators, which are proteins that bind to DNA and regulate gene expression, often bind to specific sequences of DNA in the major groove to modulate the transcription of particular genes. A histone complex is a group of proteins that helps package the DNA into a compact structure called chromatin, while the primary supercoil is a twisted, spiral structure that forms when DNA is wrapped around histones.
For more reference of DNA refer,
https://brainly.ph/question/9390728
7.
The diagram below represents the flow of energy through a food chain.
5,000 units of energy
50 units of energy
500 units of energy
5.0 units of energy
If 5,000 units of energy are available from the producers, how much energy will be available to the secondary consumers?
Science not biology
What is the importance of gametes?
(A)
They engage in binary fission.
(B)
They allow eukaryotes to reproduce.
(C)
They help to produce proteins for the cell.
They are created when a cell splits into two copies of itself.
3.3.2 Test (CST): Planet Earth
Question 3 of 10
Which two terms apply to continental crust rather than oceanic crust?
A. Darker in color
B. Less dense
C. Older in age
D. Thinner
Less dense and Darker in color are two terms apply to continental crust rather than oceanic crust.
The both option are correct A and B.
What is a characteristic of oceanic crust?When compared towards the continental crust, the oceanic lithosphere is thin, relatively young, simpler, and chemically richer in magnesium. The oceanic lithosphere is the chilled and crystallised melt fraction that results from the magmatism of the mantle there at semi ridges.
How does the oceanic crust function?At subduction zones, the oceanic crust is forced back into the mantle, causing this process to happen. At mid-ocean divides and volcanic hotspots, new crust in the form of volcanic rock is created when old oceanic plate is submerged and melts into magma.
To know more about Oceanic crust visit:
https://brainly.com/question/29994956
#SPJ1
Identify and disucss TWO diferent factors that would affect whetehr the island's fly population is in Hardy Weinberg equilbrium for thr trails above
Two factors that could affect whether the fly population on the island is in Hardy-Weinberg equilibrium are mutation and selection.
The way in which these two factors would affect, if the population of flies on the island is in Hardy-Weinberg equilibrium would be:
Mutation is a process by which new alleles are introduced into a population, which can alter the distribution of alleles in the population. If a new allele is introduced that provides a fitness advantage, then it could cause the allele frequencies in the population to move away from the Hardy-Weinberg equilibrium.Selection is the process by which certain alleles become more or less common in a population due to their relative fitness advantages or disadvantages. If a particular allele provides a fitness advantage, then the frequency of that allele will increase in the population, causing the population to move away from the Hardy-Weinberg equilibrium. On the other hand, if a particular allele provides a fitness disadvantage, then its frequency will decrease, again causing the population to move away from the Hardy-Weinberg equilibrium.Learn more about Hardy Weinberg equilibrium:
https://brainly.com/question/16823644
#SPJ4
Which of the following are dwarf planets? Check all that apply.
Ceres
Namaka
Eris
Charon
Haumea
Makemake
Pluto
Answer:
Other guy is right
Explanation:
i got 100
What are 2 examples of codominance?
Examples of animal codominance include spotted chickens with both black and white feather alleles and lone cows that express red and white fur alleles.
Codominance and incomplete dominance are two category of genetic inheritance. Codominance actually means that neither allele can block or camouflage the expression of the other allele. Co-dominance can also occur in less obvious traits such as blood type. Both the A and B alleles of blood type can be expressed simultaneously, resulting in blood type AB. In genetic terms, codominance refers to a mode of inheritance in which two versions of the same gene (alleles) of her are expressed separately to produce different traits in an individua
For more information on Codominance , visit :
https://brainly.com/question/14053639
#SPJ4
what happens to excess fatty acid and glycerol in the body
The liver prepares for storage in the subcutaneous tissue and other storage depots when excess fatty acid and glycerol are in the body.
Lipogenesis is the metabolic process of converting and storing fatty acid and glycerol are converted and stored in depots. When the energy level decreases they are converted back into fats and this process is called lipolysis.
The liver is responsible for fat metabolism and the amalgam of lipoproteins. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids, and glycerol. This process takes place in the cytoplasm.
Triglycerides are a type of lipid found in the blood. When you consume food the unused fatty acid or calories are stored in the form of triglycerides stored in fat cells. Excess of triglycerides can lead to hypertriglyceridemia.
To know more about fatty acids visit:
https://brainly.com/question/29310129
13.Hematopoiesis is the formation of
and takes place in the
a. Bone: red bone marrow
b. Blood cells; red bone marrow
Blood cells; yellow bone marrow
d. Bone; yellow bone marrow
What happens to green light when it hits a plant leaf?
Explanation:
When light strikes a leaf, it can be absorbed by, reflected from or transmitted through the leaf. Plants appear green because they reflect and transmit slightly more green light than they do blue or red light. Chlorophyll also absorbs green light poorly. For these reasons, green light is sometimes stated as not being useful to plants for photosynthesis. However, green light is still moderately effective since other pigments absorb the light and make it useful for photosynthesis. A more correct statement is that, generally, green light is less efficient at stimulating photosynthesis than blue or red light. In some situations, the greater reflection and transmittance of green light by leaves can be desirable. Green light can better penetrate a plant canopy and thus reach lower leaves. This can, in theory at least, reduce lower-leaf loss. However, few LED arrays contain green LEDs because they are less efficient than blue and red LEDs from both an electrical and plant response perspective.
Why did the author call it as an uneventful chronicle?
Answer:The author called it an uneventful chronicle because of the couple who most unwisely sacrificed for each other the greatest treasures of their house.
Explanation: This is not biology
Is calico an example of Codominance?
Calico is a coat color found in cats that is caused by sex-linked co-dominant alleles.
The calico cat displays a mixed color of red and black, depending on which of her two X chromosomes is inactivated. The allele that codes for orange hair color is dominant, while the black color allele is recessive. In cats, the X chromosome carries the gene that determines coat color, and calico cats have two different versions (or alleles) of this gene. One allele produces orange fur, the other produces black fur.
Codominance actually means that neither allele can block or camouflage the expression of the other allele. Co-dominance can also occur in less obvious traits such as blood type.
For more information on calico cat , visit :
https://brainly.com/question/22333643
#SPJ4