Biology High School

Different forms of a gene that occur at the same locus

Answers

Answer 1

Answer:

The answer is ALLELES.

Explanation:

Different forms of a gene that occur at the same locus is ALLELES.

Related Questions

Can someone help me please

Answers

Answer:

the correct options are:

Earth is an inner planetEarth is denser than JupiterJupiter is mostly made of GasJupiter revolves faster than Earth

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The kidneys filter approximately 180 L of plasma per day, but only excrete about 1.5 L of urine in that time, regardless of most changes in mean arterial pressure. This is because of __________.

Answers

Answer:

sympathetic innervation to the afferent and efferent arterioles, tubular re absorption, and myogenic regulation

Explanation:

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Which of the following are ways that humans can pollute water?

there are four correct answers
A

Dumping oil down a drain

B

Using a water filter

C

Drinking out of the tap

D

A company dumping waste into a creek

E

Farmers using pesticides that then go into a river

F

Leaving garbage on the beach so that it gets pulled into the ocean

Answers

The answer is D, E, and F

A,D,E and F are all ways humans can pollute water. Using a water filter has no impact on other peoples quality of water( unless improperly disposed of) as does drinking out of the tap.

Why do you think that most DNA is stored in the nucleus of a cell and NOT in the cytoplasm?

Answers

Answer:

As the DNA is present in the nucleus, there is compartmentalisation and the process becomes more efficient without the interaction of external bodies. The membrane of the nucleus protects the DNA from injuries.

Explanation:

Given above…

As the DNA is present in the nucleus, there is compartmentalization and the process becomes more efficient without the interaction of external bodies. The membrane of the nucleus protects the DNA from injuries.

What about cytoplasm?The gelatinous liquid that makes up a cell's interior is called cytoplasm. It is made up of different organic compounds, salts, and water. The cytoplasm is kept apart from some internal organelles, like the nucleus and mitochondria, by membranes.The cytoplasm, which also protects the components from damage, holds the components of the cell in place. It holds the chemicals required for cellular processes and serves to give the cell its shape.The entirety of a cell's contents outside of its nucleus and contained inside its cell membrane is known as its cytoplasm. It looks like gel and is transparent in hue. Although water makes up the majority of cytoplasm, it also contains organelles, salts, enzymes, and different chemical compounds.A viscous liquid called cytoplasm, which is contained within the cell membrane, fills each cell.It mostly consists of proteins, salts, and water. The entirety of the interior and outside of eukaryotic cells, including the nucleus, is contained in the cytoplasm.Each cell has cytoplasm, which is made up of cytosol. 70% of a cell's volume is made up of cytosol, which offers a platform or medium for organelles and other cellular components to function in.

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What are cyclins, kinases, and telomeres? What do they do, and what are the differences between them? (Please explain, I’ll give brainliest!)

Answers

Answer:

Cyclins are the regulatory subunits of holoenzyme CDK complexes that control progression through cell-cycle checkpoints by phosphorylating and inactivating target substrates. Cyclins drive the events of the cell cycle by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks).

Kinases are a type of enzyme (a protein that speeds up chemical reactions in the body) that adds chemicals called phosphates to other molecules, such as sugars or proteins. This may cause other molecules in the cell to become either active or inactive. Kinases are a part of many cell processes.

Telomeres are DNA-protein structures that form protective caps at the end of eukaryotic chromosomes. They constitute the safeguards of chromosome degradation and are responsible for maintaining genomic integrity.

The key difference between cyclins and kinases is that cyclins are regulatory proteins that have no enzymatic function in the cell cycle, while kinases are catalytic proteins that have an enzymatic function in the cell cycle.

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Why does the line you're in always move the slowest?

Answers

Answer:

It is actually your thought

Explanation:

This is because you might be in an hurry so you think the line is moving very slow whereas it is not.

What is the answer help quick

Answers

Answer:

Impact on environment

Pesticides can contaminate soil, water, turf, and other vegetation

Explanation:

me is smart

In the replication process of viruses, viruses use ______________ to attach to their host cells at molecules on the cell called viral receptors.

Answers

Answer:

Receptors

Explanation:

In the replication process of viruses, viruses use glycoprotein to attach to their host cells at molecules on the cell called viral receptors

What is replication of viruses?

Replication of viruses refer to the process in which viruses multiply or replicate in a host cell thereby causing infection.

Therefore, In the replication process of viruses, viruses use glycoprotein to attach to their host cells at molecules on the cell called viral receptors.

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how does a snowy owl find its way back

Answers

Answer:

Dense camouflaged feathers (anatomical) - Snowy owls have white camouflaged feathers to help them blend into the white landscapes of the arctic. Their feathers extend thickly over all parts of the body unlike other owls which often have less on the face and legs in particular, the toe feathers of the snowy owl are more than twice as long as the next longest on an owl.

Explanation:

Human dna polymerase cannot be used in pcr. Why do you think this is the case?.

Answers

Human DNA polymerase cannot be used in polymerase chain reaction because it disables at a high temperature.

What is PCR?

Polymerase chain reaction (PCR) is a biological technique in molecular biology used for creating multiple copies of DNA from a sample.

The principle behind PCR involves the use of high temperature. An enzyme called polymerase is used to catalyze the formation of polymers of DNA using an existing strand of DNA as a template.

However, TAQ polymerase is used because it tends to be stable at high temperatures unlike human DNA polymerase that disables when it reaches a high temperature.

Therefore, human DNA polymerase cannot be used in polymerase chain reaction because it disables at a high temperature.

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What symbol is used to designate an absolute cell reference?.

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[tex] \\ \\ \\ [/tex]

Hello there

The sustainable use of rainforest resources is exemplified by _______. a. lumber harvesting b. ranching c. harvesting nuts d. none of the above please select the best answer from the choices provided a b c d

Answers

Answer:

Explanation:

The sustainable use of rainforest resources is exemplified by
harvesting nuts.

Sustainable use of rainforest resources by harvesting nuts, provide a source for human resource, hence option c is correct.

What is the sustainable use of rainforest resources?

To minimize deforestation, tropical rainforests can be maintained in the following ways: logging and replanting - selective logging of older trees guarantee that the rainforest canopy is protected.

Because the younger trees have more space and sunshine to develop, the forest can recover. The environment supports fruits such as nuts, papayas, mangos, cacao, and coffee beans.

Rainforests also contain several therapeutic items. In the United States according to the National Cancer Institute, 70% of plants beneficial in cancer therapy are only found in rainforests.

Therefore harvesting nuts for human resources is sustainable use of rainforest resources, hence option c is correct.

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Why does carson think that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world? new chemicals are produced so quickly that living things do not have time to adapt. living things cannot adapt to artificially created chemicals. chemicals are designed so that living things cannot adapt to them.

Answers

New chemicals are produced so quickly that living things do not have time to adapt is Carson's thought which is denoted as option A.

What is Adaptation?

This is defined as changes in the physical and behavioural characteristics of an organism that help them to survive in the changing environment.

Carson believes that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world because they are produced so quickly that living things do not have time to adapt.

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Answer:

New chemicals are produced so quickly that living things do not have time to adapt.

Explanation:

Edge 2020

In eukaryotes, what allows only certain genes to be expressed in different types of cells?.

Answers

In eukaryotes, why are certain genes expressed only in certain types of cells?
a. Different cell types have the same genes but different enhancers.
b. Different cell types have the same genes but different promoters.
c. Different cell types contain different genes.
d. Different cell types have different regulatory transcription factors.

when someone jumpstarts a car, what do you think happens to the stored energy in the working battery?

Answers

The stored energy in the battery is called chemical energy, and it is then converted into electrical energy to start the engine.

Which diagnostic test associated with hearing loss notes a response of the stapedius muscle to the presence of loud sound

Answers

The diagnostic test associated with hearing loss notes as a response of the stapedius muscle is called the Acoustic reflex.

What is an Acoustic reflex?

The term 'acoustic reflex' refers to the process of contraction of the stapedius muscle, which is located in the tympanic cavity.

The Acoustic reflex test can be used to determine the contraction of this muscle (stapedius muscle) by a loud sound.

In conclusion, the diagnostic test associated with hearing loss notes as a response of the stapedius muscle to the presence of loud sound is Acoustic reflex.

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1) The Afrik aner population of Dutch settlers in South Africa is descended mainly from a few colonists. Today, the Afrik aner population has an unusually high frequency of the gene that causes Huntington's disease. Huntington's disease is an autosomal dominant disease and only one allele is needed for the disease (HH, Hh). The Afrik aners are an example of a founder effect. It is also an example of genetic drift. How is the founder effect related to the concept of genetic drift?

A) Reduced genetic variation of this small population means that the population may not be able to adapt to new selection pressures.
B) In a small population, the more advantageous trait becomes more common. If this continues, eventually, all individuals in the population will have Huntington's disease.
C) The small population size means that the new colony may have reduced genetic variation from the original population and that variation, in this case, included the dominant allele for Huntington's disease.
D) There are three sources of genetic variation: gene flow, se xual reproduction, and mutation. In the case of the Afrik aners, once the settlers arrived in Africa, these three sources had little impact on the gene pool and variation.

Answers

Answer:

Explanation:

The small population size means that the new colony may have reduced genetic variation from the original population and that variation, in this case, included the dominant allele for Huntington's disease. Genetic drift, along with natural selection, mutation, and migration, is one of the basic mechanisms of evolution. In this case, it was a chance that the settlers all carried the allele for Huntington's disease.

Definition of
(a)
Diploid.
(b)
Homologous.

Answers

Answer:

Diploid is a cell or organism that has paired chromosomes, one from each parent.

homologous is having the same relative position, value, or structure

Explanation:

What causes most of the stress humans have put on the environment?.

Answers

The rapid expansion of the population causes most of the stress that humans have put on the environment.

What is environmental stress?

The expression environmental stress makes reference to all types of human activities that cause harm to the environment.

Environmental stress is deeply associated with the loss of biodiversity in natural populations.

In conclusion, the rapid expansion of the population causes most of the stress that humans have put on the environment.

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Which of the following is a response caused by an external stimulus?

A
Vomiting due to a virus

B
Running away when frightened

C
Release of hormones to regulate blood sugar levels

D
Wilting of plant leaves due to the loss of turgor pressure

Answers

Answer:

vomiting due to a virus

Explanation:

What is the structure that moves sugar in minerals through the stem?

Answers

Answer:

Xylem transports water and minerals. Phloem transports sugars and amino acids dissolved in water.

Pepsin is a digestive enzyme that ________. is denatured and rendered inactive in solutions with low pH is manufactured by the pancreas begins the digestion of proteins in the stomach helps stabilize fat-water emulsions splits maltose into monosaccharides

Answers

Answer:

Pepsin is a digestive enzyme that serves to digest proteins found in indigested food.

Explanation:

Pepsin is the principal enzyme involved in proteins. It breaks down proteins in to smaller peptides and amino acids that can be easily absorbed in the smaller intestine.

Help, I need answer for this, and I don’t understand

Answers

Answer:

Read the Explanation below.

Explanation:

They could first test the density of the skeleton to see if it is real or not (bone has a different density and weight than plastic). They could also measure a sample of one part of the skeleton and see if it contains skeletal tissue (if it does, it is a from a human being).

Which statement about somatic mutations is true?
O A. They exist in all the cells of the body.
O B.
They are acquired through exposure to mutagens.
• C.
They are inherited via sperm and egg cells.
• D.
They are passed on to offspring.

Answers

Answer:

c. they are inherited via sperm and egg cell

What area of development deals with learning and the ability to apply knowledge to new experiences?.

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Answer:

Cognitive development

Explanation:

A missense mutation is if the new amino acid is chemically similar to the original one. If the new amino acid is chemically different, then the missense mutation is .

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when it leads to the wrong amino acid being made

A missense mutation is conservative when a new amino acid is chemically similar to the original one and if different it is non-conservative.

What is missense mutation?

A mutation in a gene's DNA sequence causes one amino acid, the building block of proteins to be replaced with an amino acid that isn't normally present at that location.

A missense variant is a sort of substitution in which a nucleotide change causes the protein produced by a gene to have a different amino acid in lieu of a different amino acid that was present in the original protein.

A variation in the amino acid might affect how well the protein works, missense mutations can modify the expression of the relevant protein by affecting DNA-transcription factors.

Therefore, a missense mutation is conservative and non-conservative depending upon new amino acid.

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The pyramid above illustrates the trophic levels in a typical forest or swamp ecosystem. In the soil, the organisms play a specialized role in the ecosystem. Select all of the statements that accurately describe the role of the soil organisms

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Consumers of wetlands can include fish, birds, amphibians, mammals, freshwater and/or marine invertebrates (shrimp, clams), as well as fish. It is bacteria and fungi that decompose dead creatures in wetlands.

What trophic levels in a typical forest or swamp ecosystem?

A form of wetland ecosystem where trees dominate the plant life and mineral soils have limited drainage. The latter distinguishes a swamp from a marsh, where grasses make up the majority of the plant life. Swamps can be found all over the planet.

Soil texture, water quality, and topography are examples of abiotic factors that are impacted by hydrology in a wetland, whereas plant and animal species, diversity, and abundance are examples of biotic elements that are influenced by hydrology in a wetland.

Primary consumers like mice devour those. Raccoons and other secondary consumers, like them, eat the mice. Then, apex predators like alligators devour raccoons.

Therefore, primary producers in the swamp, such as trees and grasses, are the first links in the food chain.

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Which energy transformation occurs first in a coal-burning power plant?.

Answers

When coal is burned, chemical potential energy is transformed into thermal energy, light energy, and sound energy. Therefore only the thermal energy is used for their electricity production.

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Which biogeochemical cycle does not include a major path in which the substance cycles through the atmosphere?.

Answers

Answer:

phosphorus cycle.

Explanation:

match the following terms with their corresponding definitions

Answers

Match the following the answer is as follow:

A-4

B-7

C-6

D-2

E-8

F-5

G-3

H-1

I-9

What is adaptation and examples?

The adaptation, they often mean a characters helps an animal or plant survive. An example is the adaptation of horses' teeth to grinding grass.

Silage is their general food; it have the teeth down, but horses' teeth restart to grow during life.

Thus, these are the anwer.

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