In your own words (do not copy and paste from above, or anywhere else), describe the
difference between a gene and an allele?

Answers

Answer 1

Answer:

In a more simpler term, the allele is just an variant form of a gene but in a more detailed explanation: each gene stays in a specific place on a chromosome in two copies. One copy inherited from each parent, but the copies or not really the same.

Explanation:

I majored in Biology


Related Questions

2. What is the role of wax impressions, and/or plaster casts, of teeth in forensic odontology

Answers

Answer:

to help mold or move the teeth

Explanation:

when you put a piece of wax on a pencil it miles to what the pencil shape is so the impression is either a vaneer or just mold of your teeth

3. How many times is the magnification increased when you change from the low power lens to
the high power lens?

Answers

The high power lens is the 40x lens so it provides 400x total magnification. Thus, your answer is 300x more magnification of your specimen."

what is the average density of the earths crust

Answers

Answer:

i hope it helps :)

Explanation:

2.6 grams per cubic centimeter

2.6 grams per cubic centimeter

Which labeled structure would be the most likely site in which these malfunctioning proteins exist?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Structure A

(Choice B)
B
Structure B

(Choice C)
C
Structure C

(Choice D)
D
None of these labeled structures would be the site of the malfunctioning proteins.

Answers

Explanation:

you answer is D none of these labeled structures would be the side of the malfunctioning proteins

Answer:

Its A

Explanation:

9. What are groups of similar cells that work together to perform a specific function called? (1 point)
A organ system
B organ
C cells
D tissues

Answers

The answer is D
tissues

D tissues

hope u got the answer ...............

describe how you could determine the population size of a specific type of plant in a large forest without counting all of the plants

Answers

Answer:

The study of living and nonliving components of a system can be best described as an. ecosystem ... Describe how you could determine the population size of a specific type of plant in a large forest without counting all of the plants

It is possible to determine the population size of a specific plant in a forest by counting the number of the specific plant in a small section of the forest and then multiply this by the total area.

This technique is known as quadrat sampling.

Quadrat sampling is a methodology by which organisms of a sample of the habitat are directly counted and then this value is used to calculate the total population of an area, i.e., the total number of individuals/organisms in a given area.

In this case, a quadrat delimits a small area in which the specific plant can be estimated.

The abundance of a population in a particular area can be estimated by using the number found per quadrat and then multiply this value by the total size of the area.

Quadrat sampling is a very useful methodology for the study of biodiversity.

In conclusion, it is possible to determine the population size of a specific plant in a forest by counting the number of the specific plant in a small section of the forest and then multiply this by the total area.

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Where on earth did life first begin?

Answers

Answer:

As of 2017, microfossils (fossilised microorganisms) within hydrothermal-vent precipitates dated 3.77 to 4.28 Gya in rocks in Quebec may harbour the oldest record of life on Earth, suggesting life started soon after ocean formation 4.4 Gya during the Hadean Eon.

Explanation:

brainliest plsssssssss

Which of the following correctly contrasts artificial and natural selection?
A Humans select traits to be inherited in artificial selection, while natural forces select traits to be inherited in natural selection
B. Artificial selection does not include the inheritance of traits, while natural selection requires the inheritance of traits
OC. In natural selection only physical traits are inherited, while in artificial selection only behavioral traits are inherited
O D. Natural selection only occurs after sexual reproduction, while artificial selection only occurs after asexual reproduction

Answers

Answer: A. Humans select traits to be inherited in artificial selection, while natural forces select traits to be inherited in natural selection.

Explanation: Good luck! :D

Answer:

A.

Explanation:

I just finished this quiz


What is an antigen?

Answers

Answer:

In immunology, an antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B-cell antigen receptor. The presence of antigens in the body normally triggers an immune response.

Identify Organelles in an Animal Cell

Answers

Answer:

A- Nucleus

B- Lysosome

C- Ribosomes

D - Centrioles

Explanation:

Got it right on edge2021

The cell organelles in an animal cell are Label A: Nucleus, Label B: Lysosome Label C: Ribosomes, and Label D: Centrioles.

Digestive enzymes found in lysosomes break down waste products from cells as well as foreign objects. They are essential for the recycling of cellular parts and preserving cellular homeostasis.

Ribosomes can be found either bound to the endoplasmic reticulum or floating freely in the cytoplasm. They interpret the messenger RNA (mRNA)-encoded genetic instructions and produce proteins in accordance.

Centrioles are essential for the development of the mitotic spindle, which helps separate the chromosomes during cell division.

Additionally, they play a role in the development of cilia and flagella, which are critical for some cell types' ability to move and perform sensory tasks.

Thus, the answers are nucleus, lysosome, ribosome, and centriole respectively.

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help please! i'm not entirely bad at biology but things like this i don't know lol

Answers

Explanation:kurapika

what would happen if the igneous rock was first exposed to energy from the sun

Answers

Answer:

If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock. Consider how granite changes form. Granite is an igneous rock that forms when magma cools relatively slowly underground

Explanation:

Answer:

An igneous rock can change under pressure to metamorphic. A igneous rock can turn into another igneous rock by melting and solidifying, it can turn into a sedimentary rock by getting weathered then recemented, or it can turn into a metamorphic rock by being subjected to great heat and pressure

Explanation:

Write a brief explanation of what is meant by the phrase the carbon cycle, the waste products of one system are the stuff of life for another."

Answers

Answer:

Explanation:

Carbon cycle is the flow of carbon between the atmosphere and the ecosystem.

From the phrase it can be deduced that carbo which is gotten as carbondioxide is a waste product from respiration. We breathing in oxygen and exhale carbondioxide as waste product.

This carbondioxide is use in photosynthesis.

The carbondioxide react with water in the presence of light energy from sun and chlorophyll to produce carbohydrates or food and oxygen. It is the stuff of life for plants because it is use in plants photosynthesis.

What happens during the 4 stages of mitosis

Answers

Answer:

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. Some textbooks list five, breaking prophase into an early phase (called prophase) and a late phase (called prometaphase).

1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope ...

Explanation:

Brainliest plz trying to level up

what circumstances are best for fossils to form? select all that apply ​

Answers

Answer:

What circumstances are best for fossils to form? Select all that apply. Rapid burial, Absence or limited oxygen supply and undisturbed by geological forces, are best for fossils to form.

Explanation:

Select the tubes that contain protein.
Select all that apply.
Tube 1: Pepsin
Tube 2: Albumin
Tube 3: Starch
Tube 4: Water

Answers

Answer:

Tube 1: Pepsin

Tube 2:Albumin

Explanation:

The tubes that contain protein are TUBE 1 : PEPSIN and TUBE 2 : ALBUMIN

Pepsin contains inactive protein called Zymogen also called pepsinogen.

Albumin is the single most abundant protein which is produced in the liver.

Starch does not contain protein but sugar which yields Carbonhydrate.

Tube 4 : contains water which is also a form of nutrient different from protein.

Therefore, the tubes that contain protein ARE tube 1 and tube 2 : PEPSIN and ALBUMIN.

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Translating the Code



Directions:

Below is a DNA coding sequence that codes for the protein oxytocin. Complete the mRNA strand following rules of complementarity. Then, determine the amino acid that is coded for using the chart.


DNA Coding Strand

mRNA

Amino acid


A

C

A

A

T

G

T

A

G

G

T

T

T

T

A

T

C

G

C

C

C

G

A

A

C

C

T

Answers

Explanation:

all the other would be the same for mRNA but the T would be a U

example:

DNA: AGTGC

mRNA: AGUGC

Help plz :)

Darwin's finches from his studies on the Galapagos Islands are some of the most
famous examples of evolution in action. Which of the following best explains why
these finches have beaks of different sizes and shapes?

A Comparative Biology
B Biogeography
C Embryology
D Fossil Record

Answers

Answer:

B Biogeography

Explanation:

Biogeography is the geographical distribution of organisms. The finches have different beaks because they are on different islands/geological areas.

PLEASE answer all these questions if you can. 1 attempt for all

1.) Which of the following is true about prophase?


chromatin changes into chromosome form

all of the choice occur during prophase

chromosomes line up at the equator of the cell

cytokinesis occurs

2.) Which of the following is true about metaphase?


chromatin changes into chromosome form

chromosomes line up at the equator of the cell

all of the choice occur during metaphase

nucleolus disappears

3.) Which of the following describes the products of mitosis?


one cell identical to the parent

cell death

two unique cells

two daughter cells that have identical DNA to the parent

4.) What is the role of the spindle during cell division?


to separate the chromosomes

to break down the nuclear membrane

to divide the cell in half

to duplicate the DNA

5.) In what phase of mitosis are chromosomes first visible?


Interphase

Prophase

Telophase

Metaphase

6.) A centromere


holds two sister chromatids together

is an unduplicated chromosome

is half of a duplicated chromosome

forms the spindle fibers

7.) In which phase of meiosis would you see crossing over occur?


Anaphase I

Prophase I

Anaphase II

Prophase II

8.) Oogenesis produces __ viable cell/s, and spermatogenesis produces __ viable cell/s.


4, 2

4, 1

4, 4

1, 4

9) Haploid gametes produced in males are called sperm.


True

10.) Which of the following best describes a tetrad?


the spindle fibers at the end of telophase I

the four cells resulting from meiosis

homologous chromosomes during prophase I

tetrads are not present in meiosis, they are present mitosis
False

Answers

Answer:

1. a

2. b

3. d

4. a

5. b

6. d

7.b

8. im not sure abt this one, sry :(

9. yeah, true

10. c

Explanation:

Pro phase is the starting stage of the division where the cell division begins. Spindle fibers  are broken into half and the type of division that is present in gametes is reduction division that is the meiosis. Synapsis occurs during mitosis.

What is synapsis ?

It is defined as the stage in which the pairing of the homologous chromosomes take place.

Chromosomes do not line at the equator as the lining of the chromosomes at the equator occurs on the stage of mitosis where it is possible to see the V,J and L shapes of the paired chromosomes. After this stage the exchange of genetic material takes place.Chromatin do not change into chromosomes in the metaphase.

Mitosis is present only to make the duplicate copies of the cell. The identical daughter cells are made when the division of mitosis is taking place in the cell. Chromosomes are first visible in the prophase. A centromere holds two sister chromatids together.

In meiosis crossing over takes place in anaphase 1.

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Name the three types of population distribution,
describe each, and explain the conditions that
govern each.

Answers

Answer:

random clumped uniform i think

Explanation:

Answer:

The three types of population distribution are uniform, random, and clumped.

Uniform distribution is rare. Individuals are evenly spaced and there is fierce competition for resources.

In random distribution, some individuals are close together, and some are spread apart. This occurs when there are sufficient resources available.

In clumped distribution individuals are clustered around patchy resources. This is the most common type of distribution.

Explanation: EDGE 2021

Describe how carbon is cycled through the environment in the carbon cycle. Include an explanation
of how photosynthesis, cellular respiration, and carbon dioxide are involved in the carbon cycle.

Answers

Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

what is natural selection

Answers

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

Explanation:

Why are two types of seismometers generally used to record the same earthquake?

Answers

Answer:

Because earthquakes produce two kinds of waves which travel through the earth in different ways and the combined information helps locate the earthquakes and give information about the structure of the earth

Explanation:

What phases are different from Mitosis during Meiosis?

please help i will mark brainliest

Answers

Answer:prophase

Explanation:

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1

Explain the effects of air pollution on several European countries. (Site 1)

Answers

Answer:

Air pollution harms human health and the environment. In Europe, emissions of many air pollutants have decreased substantially over the past decades, resulting in improved air quality across the region. However, air pollutant concentrations are still too high, and air quality problems persist. A significant proportion of Europe’s population live in areas, especially cities, where exceedances of air quality standards occur: ozone, nitrogen dioxide and particulate matter (PM) pollution pose serious health risks. Several countries have exceeded one or more of their 2010 emission limits for four important air pollutants. Reducing air pollution therefore remains important.

Air pollution is a local, pan-European and hemispheric issue. Air pollutants released in one country may be transported in the atmosphere, contributing to or resulting in poor air quality elsewhere.

Particulate matter, nitrogen dioxide and ground-level ozone, are now generally recognised as the three pollutants that most significantly affect human health. Long-term and peak exposures to these pollutants range in severity of impact, from impairing the respiratory system to premature death. Around 90 % of city dwellers in Europe are exposed to pollutants at concentrations higher than the air quality levels deemed harmful to health. For example, fine particulate matter (PM2.5) in air has been estimated to reduce life expectancy in the EU by more than eight months. Benzo(a)pyrene is a carcinogenic pollutant of increasing concern, with concentrations being above the threshold set to protect human health in several urban areas, especially in central and eastern Europe.

"Air pollution is causing damage to human health and ecosystems. Large parts of the population do not live in a healthy environment, according to current standards. To get on to a sustainable path, Europe will have to be ambitious and go beyond current legislation."

Explanation:

write down the hormone secreted by gonads with one function​
help me please

Answers

The gonads (the testes in males and ovaries in females) are responsible for the production of steroid hormones, such as testosterone, estrogen, and progesterone.

why is the percentage of food eaten a good thing to use

Answers

Answer:

Good nutrition is important throughout your life! It can help you feel in your best condition and stay strong. It can help reduce the risk of some of the common illnesses among older adults.

.True or False: Clear-cutting results in mostly even-aged stands of trees

Answers

Answer:

my guess is

Explanation:

true

true

true

If a cell has 14 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis?
Why is this important?

Answers

Answer: After mitiosis, each daughter cell will also have 12 chromosomes. Cytokinesis is just the last stage of telophase, where the cell completely forms the two daughter cells. Telophase does not form chromosomes.

Explanation:

If a cell has 14 chromosomes, there are 14 chromosomes in each daughter cell.

What happens in Mitosis?

There are four stages of mitosis: prophase, metaphase, anaphase and telophase.

1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres.

2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell)

3) Anaphase: sister chromatids are pulled to opposite poles of the cell

4) Telophase: nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin.

If a cell has 14 chromosomes, there are 14 chromosomes in each daughter cell.

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What type of machine is a CD player?
A. complex machine
B. compound machine
C. simple machine
D. mechanical machine

Answers

Answer:

B. compound machine

Explanation:

A CD Player would be an example of a compound machine. A compound machine is one which contains several simple machines. Simple machines are the following: Levers, pulleys, screws, and inclined planes.

CD player is Mechanical machine
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