In a species of Drosophila, developing larva have special proteins in their epithelial cells. These proteins bind to a certain repressor in the larva's cells, which ultimately causes a dark pigment to be produced. What would you expect if scientists purposely injected a developing larva with an excess of these proteins?

Answers

Answer 1

Answer:

The larva gets dark pigment.

Explanation:

If scientists purposely injected an excess concentration of these proteins in the larva, the larva gets deep dark colour because this protein is responsible for the pigment colour in the larva of Drosophila. By increasing the protein concentration the pigment will also have a very dark colour. So we can conclude from this that increasing the amount of protein causes increase in the pigment colour.


Related Questions

importance of bacteria​

Answers

Explanation:

Bacteria are economically important as these microorganisms are used by humans for many purposes. The beneficial uses of bacteria include the production of traditional goods such as yogurt, cheese, and vinegar. Microbes are also important in agriculture for the compost and fertilizer production.

Transcribe the following DNA Strand:
AAT GGC TCA

Answers

Answer:

UUA CCG AGU

Explanation:

Hello There!

Remember when transcribing these are the complementary pairs

adenine with uracil

thymine with adenine

guanine with cytosine

cytosine with guanine

so after the dna strand is transcribed it would look like this

UUA CCG AGU

Which of the following is required in order for homeostasis to be maintained?

Select one:

An organism should have an internal environment that differs from its external environment.

There should be a constant input of stimuli to receptors so that internal conditions remain constant.

Passage of materials across cell membranes need to occur at a continuously rapid rate.

An organism should be able to move to a new environment when conditions change.

Answers

Answer: c

Explanation: all cell membranes need to maintain function

Which of the following facts about genes is incorrect?
A.A gene can code for a specific protein
B.A gene can exist in alternate forms called alleles
C.A gene undergoes crossing over during meiosis and can switch chromsomes
D.A gene that is very similar in sequence in a human and in a bacterium is probably a recent mutation.
E.If parents do not express a gene but their child does, that gene is probably recessive.

Answers

B. A gene can exist in alternate form called alleles.

Using the letter "T" and "t" with Tall height being dominant over short height. A heterozygous man for height marries a heterozygous woman for height. What is the correct F1 phenotypes for this cross?

Answers

75% would be tall, 25% would be short

genotypes: TT,Tt,tt

Explanation:

Dimples are dominant; no dimples are recessive. Mr. Dowling is heterozygous for dimples, and Mrs. Dowling is also heterozygous for dimples. Whatcare the possibilities of their offspring?

Answers

Answer:

There offspring will have dimples

Explanation:

If wrong I am sorry.

Lea el párrafo que aparece abajo y complete con las siguientes palabras que faltan: hereditaria; cromatina; equitativa; cromátidas; cromosomas; ADN; genes; duplica; brazos y centrómero

Answers

Answer:

Hereditario se refiere al proceso por el cual las características se transmiten genéticamente de padres a hijos.

Explicación:

Hereditario se refiere al proceso por el cual las características se transmiten genéticamente de padres a hijos. La cromatina consta de ADN y proteína que se replica antes de la división celular para formar duplicados de ADN que se distribuyen equitativamente entre las células hijas. Las cromátidas se refieren a las dos mitades idénticas de un cromosoma duplicado replicado y el centrómero es la secuencia de ADN de un cromosoma que une dos cromátidas hermanas entre sí y cada cromátida tiene cuatro brazos.

A certain substance is used for insulation by animals in cold climates, as well as for long term energy storage. A similar molecule makes up the cell walls of animals. This must be a:

Answers

Answer:

This question lacks options, however, it can be answered. The answer is LIPIDS

Explanation:

Lipids are one of the four biological molecules found in living systems. They are found performing variety of functions in living organisms. Lipids include the following: fats, phospholipids, steroids, oils, waxes etc. Some of the function they perform as mentioned in this question are:

- Lipids such as fats are used for long term energy storage.

- In cold climates, lipids such as fats also provides insulation in animals, helping their bodies to conserve heat.

- Lipids such as phospholipids encompass the cell membrane of animals, where they perform the role of selective permeability.

Light energy is changed to cell energy in stage 1 of photosynthesis. True or false

Answers

Answer:

dang i wish i was smart lol

i think true
(dont get mad if im wrong)
___________

The evidence of Evolution are....

Answers

Answer:

this is the answer hope it helps

Answer:

traits from previous organisms showing up in offspring.

Explanation:

Animals passed on certain traits and physical features to their offspring. The strongest evidence of evolution is the similarity in DNA.

An algal bloom in a water system is most likely caused by?

Answers

(A) A large amount of nitrates in the water :)

what is a flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings

Answers

Answer:

Term Lipid Bilayer

Explanation:

Having Freckles (F) is dominant over not having Freckles (f). If a person that is FF has children with a person that is FF, what is the probability of their children will have Freckle

a
0%
b
25%
c
50%
d
100%

Answers

Answer:

D

Explanation:

Because there isn't a non-dominent gene.

16. Explain how the following affect the rate of enzyme activity. a.Substrate Concentration:
b. pH:
c. Temperature:

Answers

Answer:

pH: If it's to much on either the alkaine or the acid side the enzymes will vary

Explanation:

B)ph is the final answer

If sea lamprey increase in population and decrease the native fish population, the sea lamprey population will eventually collapse (decrease rapidly). This would be an example of _______ feedback. 1. Positive 2. Negative 3. Neutral 4. None of the above

Answers

Answer:

Negative feedback

Explanation:

Feedback mechanism is activated due to the change in the system that result into an output.

A negative feedback mechanism is a pathway that is caused by deviation in the output that result in a change in output direction which is usually opposite to the initial deviation.

The process of feeding of sea lamprey on the fish started as a normal pathway the deviation started when they could not feed on the fish again as a result of reduced population and they start dying of hunger. It is a negative feedback

In an ecosystem, a group of birds eat fruit from a tree. When the birds drop the fruit on the groundthe mice ea the fruit. Seeds are spread around the area by both the birds and mice and new trees grow. What is this an example of ?

Answers

Answer:

The correct answer is - interdependence.

Explanation:

In this ecosystem, all the organisms, tree mice, and birds all depend on one another for their food and growth. Birds get their food from fruits from the tree and the fruits that dropped by the birds to the ground used by the mice for their food.

In return mice and birds spread the seeds of the tree to the area which helps in the growth of the more trees. This relationship among the organisms is an example of interdependency.

Answer:

Interdepency

Explanation:

8. Most importantly, adaptations must improve a
species' ability to:
a. Eat
b. Escape threats
c. Get oxygen and water
d. Reproduce


~i’ll give u a brainly~

Answers

The answer is C you need water and oxygen to survive u can go a lot longer without food then water

Which phrase best describes what a soil horizon is? Question 3 options: the bottom layer of a soil profile each layer of a soil profile the place where two soil profiles meet the place where a soil profile meets bedrock

Answers

the place where two soil profiles meet i believe!

Answer:

It is answer C

Explanation:

The person in front is correct I took they quiz

Which statement BEST describes the relationship between MPF and the cell cycle?

Answers

Answer:

Cyclin blinds with an enzyme to produce MPF cyclin and as its concentration rises, it promotes mitosis.

Which of the following substances is/are involved in
oxidative phosphorylation of cellular respiration?

Answers

Answer:

the answer will be

ADP

Oxygen

ATP

so its all the above

Explanation:

The substances involved in oxidative phosphorylation are the electron transport chain, oxygen, and ATP synthase.

The substances involved in oxidative phosphorylation of cellular respiration are:

Electron transport chain: It consists of a series of protein complexes located in the inner mitochondrial membrane. Electrons from carrier molecules, such as NADH and FADH2, are passed along the electron transport chain, resulting in the generation of a proton gradient.

Oxygen (O2): Oxygen acts as the final electron acceptor at the end of the electron transport chain. It combines with hydrogen ions to form water (H2O).

ATP synthase: This enzyme is located in the inner mitochondrial membrane and utilizes the energy from the proton gradient to generate ATP through the process of chemiosmosis.

Learn more about oxidative phosphorylation, here:

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During an experiment in Science class, Jorge notices that the liquid in the
thermometer moved up when he added calcium chloride (CaCl2) to a baking soda
solution. What type of energy transformation is demonstrated in the experiment?
Chemical to kinetic
Chemical to thermal
Thermal to chemical
Thermal to kinetic

Answers

Answer:

Chemical to thermal.

Explanation:

Chemical energy (the baking soda reacting to the calcium chloride) to thermal energy (the reaction causing the temperature to rise.

he bodies of wild-type fruit flies are colored by dark pigments, but an X-linked recessive mutation can confer a yellow, unpigmented phenotype. However, feeding silver salts to larvae results in adult flies that phenocopy the yellow phenotype. You are conducting epistasis experiments in fruit flies to understand the genetics of pigmentation. A rival research lab sends you a vial of yellow-bodied flies for your experiments. How can you tell whether these flies are mutants instead of phenocopies

Answers

Answer:

We could feed them with another type of food free of silver salts.

Explanation:

When talking about a phenocopy, we are referring to individuals who genotypically should be expressing a determined phenotype, but due to environmental influence, they express another phenotype. This is a non-inheritable phenotype, so it is not considered a mutation.

If we grow thy flies feeding them another type of food that does not include silver salts, and let them mate and reproduce, they will express the real phenotype, because they will not be influenced by the food. In the following generation, there will be dark individuals carrying the dominant allele, and yellow individuals, with the recessive genotype.

I WILL GIVE BRAINLIEST!
3 facts or more about the moon.
3 facts or more about planets.

Answers

Answer:

MOON

   The Moon is Earth's only permanent natural satellite. It is the fifth-largest natural satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits.

   The Moon is the second-densest satellite.

   The Moon always shows Earth the same face.

PLANETS

A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.

What is a DNA 2 paragraph pls :))))))))))

Answers

dna is something like blood that everyone has. everyones dna is different such as their hair and eye color.

Explanation:

Answer:

hey friend ....

hope it helped you ^_^

Scientists have discovered a fossil skeleton of a whale-like creature that lived in the early Eocene epoch. The skeleton shows an organism with large fore and hind limbs with distinct toes. Fossil skeletons of closely related species from later periods show organisms lacking hind limbs. Which conclusion does this observation best support?

A. Ancestors of whales may once have been able to walk.

B.Ancestors of whales had fewer bones than modern whales.

C. Whales and their ancestors have always been ocean dwellers.

D. Whales and their ancestors have always been the largest living ​

Answers

A. Ancestors of whales may once have been able to walk.

Answer:

A. Ancestors of whales may once have been able to walk.

Explanation:

Will mark brainliest and give 18 points

Answers

Answer:

1.lunar 2.solar 3.earth 4.the moon 5.sun

a (LUNAR) eclipse is caused by the moon blocking the sun's light, which results in a shadow being cast on earth. A (SOLAR) eclipse is caused by the shadow of (EARTH). The revolution of (THE MOON) around earth, therefore results in eclipses due to the obscuring of light from (THE SUN).

There are now several effective antimalarial drugs that can treat people who have malaria or prevent them from getting the disease altogether. Predict what will happen to the frequency of the sickle cell allele over the next 100 years as these drugs become more widely used by people living in areas where malaria is endemic: _____________ Predict what will happen to the frequency of the sickle cell allele over the next 100 years in areas like Boston MA, where there is no incidence of malaria: __________ stay the same ; stay the same decrease ; increase increase ; increase increase ; decrease decrease ; decrease

Answers

Answer:

decrease, decrease

Explanation:

By using antimalarial drugs in order to prevent malaria, the frequency of the sickle cell allele decreases in both areas where malaria is endemic and the areas where no incidence of malaria occurs because there is no necessity of sickle cell allele in the population to prevent malarial disease. Sickle cells have high significance in prevention of malarial diseases so when there is no malaria happens in the population so there is no need for it and the allele slowly removed from the population and decrease occurs in its frequency.

T-lymphocytes are created in the bone marrow and then developed in the

spleen.

adenoids.

thymus.

tonsils.

Answers

Answer: I would say it is in thymus.

Answer:

It is thymus, I just did the question and got it right.

What conditions are necessary for rocks to melt?

Answers

Answer:

In explanation.

Explanation:

The rock is pulled down by movements in the earth's crust and gets hotter and hotter as it goes deeper. It takes temperatures between 600 and 1,300 degrees Celsius (1,100 and 2,400 degrees Fahrenheit) to melt a rock, turning it into a substance called magma (molten rock).

The rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts. The different types of rocks need different temperatures.

What is the effect of temperature on different substances?

Temperature plays an important roles in different substances, such as high and low temperatures, each with its own set of tasks. The high temperature can melt the solid substance into a liquid, and further heating converts the liquid into gas. Because of the high pressure and temperature in the earth's core, the rock is in a molten state, but when it comes out of the earth's core, after solidifying, it converts into solid rock. The low temperature converts the liquid into a solid, and food preservation is carried out by this process.  

Hence, the rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts.

Learn more about the temperature here.

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The height of an object above sea level is called

Answers

Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation:

Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation: hope this helps

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