Genes which are expressed all the time.

Answers

Answer 1
Genes that are expressed all the time are dominant ones. They can also be seen all the time if it is a genotype(ie. eye color, hair color, etc.)

Related Questions

Which of the following is a binocular cue for depth perception?.

Answers

Where is the picture ?

A binocular cue used to assess depth between two nearby objects is called retinal disparity.

What is the binocular cue for depth perception?

The pictures that both eyes focus on to create stereopsis, or the feeling of depth, is known as binocular depth cues. Using binoculars, one may see the world in three dimensions.

Binocular depth signals can be classified as either retinal disparity or convergence. Convergence centers on a single object while using both eyes.

A binocular cue used to assess depth between two nearby objects is called retinal disparity. It accomplishes this by contrasting the various pictures from the two retinas. Because the distance between each eye is typically around two and a half inches, each eye sees different pictures.

Therefore, the retinal disparity is a binocular cue for depth perception.

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The given question is incomplete, so the correct is,

Which of the following is a binocular cue for the perception of distance?

a. visual cliff

b. linear perspective

c. relative motion

d. relative size

e. retinal disparity

To all bug experts, what is this bug?

Answers

Answer:

I think it is an emerald cockroach

Which of the following are elements? (Select all that apply.)
Na
H2O
C
KCl
Grade -5-

Answers

Answer:

Na & C

Explanation:

What are the four functions of lipids

Answers

Answer:

Store Energy – When we take in more energy than we need, the body stores it as adipose tissue (fatty tissue, which we call fat).  

Regulate and Signal – Lipids regulate the temperature of your body, keeping it steady, not too hot, and not too cold.  

Insulate and Protect – Our bodies are padded with fat, protecting us from everyday friction.

Aid Digestion and Increase Bioavailability – When food breaks down in the gut, fat is released and combines with fat-soluble nutrients

Explanation:

A(n) ______ gene is a type of gene that regulates development and that, when mutated, leads to organisms with structures in abnormal or unusual locations on their body.

Answers

A (n) homeotic gene is a type of gene that regulates development and that, when mutated, leads to organisms with structures in abnormal or unusual locations on their body.

A homeotic gene is a gene that intervenes in the developmental program that determines the location of structures along the anteroposterior axis.

The determination of the anteroposterior axis is one of the earliest events in development, and it guides the remaining processes of organogenesis.

Once homeotic genes define the identity of the body segments, they code for proteins (homeodomain) that are responsible for activating other genes.

These genes ultimately trigger the formation of the organs or limbs of this segment.

Genes that control the position of organs have been called homeotic genes, while mutations that affect these genes are known as homeotic mutations.

Therefore, we can conclude that homeotic genes are expressed in the body regions that will house the growing structures.

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Which is a homologous structure to the human forearm?
O A. The beak of a bird
OB. The skull of a raccoon
O C. The tail of a dog
O D. The leg of a horse

Answers

D the leg of horse because I took the test

The homologous structure to the forearm of humans is the leg of the horse.

What are homologous organs?

Homologous organs are organs that share similar structural organization. They are similar structurally but are different in functions. They share common ancestors. These organs are anatomically similar. As there are common ancestors, this type of evolution is known as divergent evolution.

The reason behind the divergent evolution is environmental changes, and food requirements which force them to evolve according to the requirements. The wings of bats, the forearms of humans, and the front legs of the horse are a few examples of homologous organs which underwent divergent evolution.

Homologous organs have different functions in organisms.

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nterphase lasts for ________ of a cell's life.

Answers

Answer: 12-24 hours

Explanation: Interphase generally lasts at least 12 to 24 hours in mammalian tissue. During this period, the cell is constantly synthesizing RNA, producing protein and growing in size.

what is mimicry in biology

Answers

Answer:

mimicry, in biology, phenomenon characterized by the superficial resemblance of two or more organisms that are not closely related taxonomically. This resemblance confers an advantage—such as protection from predation—upon one or both organisms by which the organisms deceive the animate agent of natural selection.

Explanation:

If I'm on an elevator that breaks loose and plummets down the shaft, can I avoid harm by jumping at the last second?

Answers

Answer:

It sounds like it would work but it wont. you need to lay down for the safest

Explanation:

1. Comparision of DNA sequences among single-celled organisms suggests that eukaryotes are more closely related to archaea than bacteria. The type of evidence is .

Answers

The type of evidence is indicating that eukaryotes are more closely related to archaea than bacteria is BIOINFORMATICS. This field of study compares nucleotides (DNA) sequences.

Bioinformatics is an interdisciplinary discipline that uses computational tools to interpret biological data.

This field of study (bioinformatics) compares nucleotides (DNA) sequences in order to determine the evolutionary level of shared ancestry between species.

For this purpose, bioinformatics uses the linear order of nucleotides in order to compare different species.

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The type of fossil fuel made from the remains of ancient plants that lived millions of years ago is A. peat B. coal C. oil D. natural gas E. synfuel

Answers

Answer is B coal

Explanation:

thank you

Which statement explains why ammonites are a good example of an index fossil?

Answers

Answer:

Ammonites existed only in the oceans.

Explanation:

Index fossils serve as a relative dating marker for geologic time periods and the rocks formed at those times. The fossils are of species that lived for only a short while, though that could be millions of years, and were widespread on the Earth. Ammonites are good index fossils for several reasons. First, they are easily identified by their spiral shells.

The statement explains why ammonites are a good example of an index fossil

Ammonites existed only in the oceans.

What is an Index fossil?

Index fossil are plants and animals which have been preserved in rock

surfaces over a long period of time and are usually characteristic of a

particular geographical location.

Examples of Index fossils include:

Ammonites Brachiopods, Graptolites NanofossilsTrilobites

Ammonites are animal fossils which are characteristic of the marine

environment.

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During meiosis, two sets of chromosomes in a cell are divided among the nuclei of four cells resulting from the process. Each nuclei has

half the number of chromosomes as the original cell.
one–fourth the number of chromosomes as the original cell.
twice the number of chromosomes as the original cell.
the same number of chromosomes as the original cell.

Answers

Answer:

half the number of chromosomes as the original cell

Explanation:

Three types of macromolecules are mentioned in the video that are digested and ABSORBED in the small intestine. What do they all get absorbed into first?

Lacteals

Epithelial cells

Capillaries​

Answers

Given what we know about the biology of the small intestine, we can confirm that the macromolecules are being absorbed into the "Epithelial cells".

The small intestine is in charge of absorbing the nutrients, which we require in order to survive and perform even the most basic metabolic processes, from the food that we ingest. In order to be able to perform this function, the cells in question have specialized epithelium which consists of Microvilli.

Microvilli can be thought of as membrane protrusions that serve to expand the surface area of the epithelial cells. This allows the cells to have a greater area through which to absorb nutrients such as the macromolecules mentioned.

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the segment of the dna molecule where messenger rna synthesis begins is called the

Answers

The synthesis is called the Promoter region.

What is the main issue with traditional classification?

Answers

Answer:

A major problem is that classifying according to overall similarities can be misleading. For example, dolphins could be mis-classifed as fishes because they have fins, but dolphins are mammals, not fishes.

Explanation:

why would you not use green light and white light if you wanted to determine the dependence of specific color wavelengths on the rate of photosynthesis?

Answers

Given our understanding of the situation, we can confirm that the use of green or white light would not be ideal for the experiment at hand because it will not yield any useful information.

In this experiment, we wish to determine the dependence of specific color wavelengths on the rate of photosynthesis. The use of white light for this experiment will defeat the purpose, given that white is the naturally occurring color of light and the available data on this is vast.

Furthermore, we would not use green colored light because it will not be effective. The effectiveness of the color of light that we decide to use will be based on the absorption rate of the light at a cellular level. Green light is known to not be well absorbed by the chlorophyll of plants and therefore will not be useful.

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When is it important to drink water?

Answers

Answer:

d. All of the above

Explanation: correct

Answer:

? why did you post this

Explanation:

Select two options.
What happens during cell respiration?
O The cell takes in oxygen.
O The cell releases oxygen.
O The cell takes in carbon dioxide.
O The cell releases carbon dioxide.
O The cell splits.

Answers

The cell takes in oxygen , and releases carbon dioxide

What is the difference between an f donor and an hfr donor?.

Answers

The Hfr donor has an F factor integrated into its main chromosome, but the F+ donor does not. ... The entire F factor would have to be incorporated into the recipient cell's chromosome.

Question 1 of 5
How do stories differ from scientific explanations?
A. Stories avoid presenting bias.
B. Stories are based on evidence.
C. Stories are based on imagination.
D. Stories are always negative.
SUBMIT

Answers

The answer is C. Stories are based on imagination
The answer is C stories are based

Why can populations of invasive species increase rapidly in new environments

Answers

Answer:

they have no preditors  in that current enviroment that can or is used to eating them so they just grow with no resistance    

Explanation:

Chitin is all of the following EXCEPT ________. Found in insect and crustacean shells Composed of N-acetylglucosamine subunits Composed of linear fibrils like cellulose Found in plant cell walls

Answers

Answer:

Found in plant cell walls

Chitin is all of the following except it is found in the plant cell wall. So, the correct option is D.

What do you mean by Cell wall?

It is the outermost layer of a cell that can be tough, flexible, and sometimes rigid. Its function is to provide structural support and protection to the complete cell.

The Cell-wall of fungi is made up of chitin. It is composed of N-acetylglucosamine subunits. It is also composed of linear fibrils like cellulose. Mostly, found in insect and crustacean shells.

Therefore, Chitin is all of the following except it is found in the plant cell wall.

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What is ONE way in which geologists may utilize GPS and satellite mapping?

Answers

A way through which geologists may utilize GPS and satellite mapping is to monitor the changes in the environment.

A global positioning system refers to a network of receiving devices and satellites that are used to determine the location of a particular thing on Earth.

It should be noted that a global positioning system (GPS) and satellite mapping can be used in monitoring changes in the environment. It can also be used to collect accurate field data when mapping or surveying.

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________happens in the mitochondrial membrane and is where hydrogen ions are
pumped through to create ATP
O glycolysis
Okreb's cycle
O light reactions
electron transport chain

Answers

Explanation: Electron transport chain

How are hydrogen ions pumped across the membrane?

Image result for what is used to make the mitochondrial membrane and is where hydrogen ions are pumped through to create ATP

During electron transport, energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space. A chemiosmotic gradient causes hydrogen ions to flow back across the mitochondrial membrane into the matrix, through ATP synthase, producing ATP.

Which sentence best explains how a positive feedback loop affects climate
change?
A. As the number of plants increases, the amount of CO2 decreases.
B. High clouds have a high albedo and reflect solar energy back into
space.
C. As climate warms, CO2 increases because plants remove less of
it.
D. High precipitation results in increased plant growth, lowering CO2.

Answers

A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.

The more trees the less CO2?

Scientists agree that one of the most effective ways to absorb part of the CO2 from the atmosphere would be to plant more trees, as they use CO2 to grow and release oxygen, this action brings benefits to the entire environment.

With this information, we can conclude that A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.

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Complete the sentence by using the correct word. Studies of levels of poisons in snow were made by a(n) _____. analyzed especially accumulative environmental microscopic particles industrial geochemist exhaust toxicity

Answers

Answer:

I think it may be geochemist. sry if its wrong!

Explanation:

When testing the effect of light on flowering patterns of plants, temperature would be considered a?
A.independent variable
B. dependent variable
C. constant

Answers

Answer: Independent Variable

Explanation: Already explained this one in another post.

A. Independent variable

What is the word for the skin having microscopic holes.

Answers

The answer is Micro-needling

____________ results from chemicals in car exhaust reacting with the sunlight.

Acid Rain

Contaminant fog

Smog

Greenhouse Effect

Answers

Answer:

smog

Explanation:

Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.

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