As insulator is a material that doesn't transmit energy easily
Environmental factors typically activate genes in a cell by causing the cell to --
A.produce identical daughter cells through mitosis
B.form haploid gamete cells through meiosis
C.fuse with another cell to increase the size of its genome
D.transcribe specific DNA segments to mRNA for translation
Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.
This interaction is an example of environmental factors affecting genetic expression. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.
Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.
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Answer:
Transcribe DNA to RNA
Which statement explains why ammonites are a good example of an index fossil?
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 NanofossilsTrilobitesAmmonites are animal fossils which are characteristic of the marine
environment.
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How is humus formed?Explain.
Answer:
Humus is formed when organic material (such as leaves, dead animals etc.) is degraded by a combination of fungi, bacteria, microbes and other animals (earthworms for example) that reside in the soil.
Explanation:
Answer:
Hey mate....
Explanation:
This is ur answer...
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.
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how does the cell make proteins inside the ribosome?
Answer:When the cell needs to make a protein, mRNA is created in the nucleus. The mRNA is then sent out of the nucleus and to the ribosomes. When it is time to make the protein, the two subunits come together and combine with the mRNA. The subunits lock onto the mRNA and start the protein synthesis.
At a ribosome, an intercellular structure made of both RNA and protein, the process of making proteins occurs in a cell. The messenger RNA sequence is read by the ribosome, which then converts the genetic code into a specific string of amino acids that develop into extended chains and fold to create proteins.
What are proteins?Proteins are defined as a macro- and large-scale biomolecules that contain one or more long chains of residues from the amino acid.
It is also defined as the results of the process of decoding, which begins with information in cellular DNA.
A protein is a biomolecule made up of peptide bonds that connect the amino acid residues in it.
There are seven types of proteins.
AntibioticsContractile proteinsEnzyme Hormonal proteinsStructural proteinsStorage proteinsTransport proteinsThus, the process of making proteins in a cell takes place at an intercellular structure called a ribosome, which is formed of both RNA and protein. The messenger RNA sequence is read by the ribosome, which then converts the genetic code into a specific string of amino acids that develop into extended chains and fold to create proteins.
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How many pairs of spinal nerves are there in the human body?
Answer:
31 pairs is correct
Explanation:
What are the REACTANTS in
photosynthesis?
A. Sunlight and Water
B.Glucose and Oxygen
C.Carbon Dioxide and Water
Answer: A
Explanation: The reactants of photosynthesis are everything to the left of the "———>" arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy. The products of photosynthesis are everything to the right of the "———>" arrow, thus the products of photosynthesis are glucose and oxygen.
Carbon Dioxide, water, and sunlight.
The reactants of photosynthesis are everything to the left of the "———>" arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy. The products of photosynthesis are everything to the right of the "———>" arrow, thus the products of photosynthesis are glucose and oxygen.
Mutations cause changes in _____.
Answer:
mutation cause changes in genetic material
What is a group of similar cells that perform the same function?
A. a tissue
B. an organelle
C. an organ system
D. a multicellular organism
Answer:
The answer is A. a tissue
Explanation:
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
Draw the basic structure of a nucleotide with its three parts.
Answer: This picture has the answer
Explanation:
The nucleotides which are found in the DNA molecule are made up of nucleoside moieties and phosphate molecule. These are of five types which include adenosine, guanosine, uracil, thymine, and cytosine.
What is a nucleotide?Nucleotides are the organic molecules which consist of a nucleoside and a phosphate moiety. The nucleotide molecules serve as the monomeric units of the nucleic acid polymers such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are the essential biomolecules within all life forms on the Earth.
A nucleotide is one of the main structural components, or the building blocks, of DNA and RNA molecules. A nucleotide consists of a base which has one of four nitrogenous base which could be purine and pyrimidine such as adenine, thymine, guanine, and cytosine plus a molecule of sugar and one molecule of phosphoric acid.
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Maddie’s favorite meal is breakfast, and she is careful to include healthy components along with her favorite foods. She knows breakfast helps to keep her energy levels up until lunch. Maddie's digestive system helps her body get energy from food. How do the nutrients from food get to the body's cells? A. The nutrients are distributed by the digestive system to the parts of the body that need them. B. The nutrients are picked up and transported around the body by blood from the circulatory system. C. The nutrients are absorbed directly into the cells that need them. D. The circulatory system brings nutrients to the digestive system to be processed for the cells.
Answer:c
Explanation:why i don’t know I just want the points
The levels of organization within an organism are atom, molecule, __________, tissue, __________, and organ system.
atomic number; element
cell; organ
compound; kidney
nucleus; membrane
Question 2(Multiple Choice Worth 4 points)
(04.01 LC)
Which is the smallest unit of life?
Organs
Molecules
Cells
Atoms
Question 3(Multiple Choice Worth 4 points)
(04.01 LC)
A substance that cannot be broken down into a simpler substance is called an __________.
animal
organ system
element
organism
Question 4(Multiple Choice Worth 4 points)
(04.01 LC)
Which is an example of a molecule?
Muscle tissue
Protein
Stomach
Unicellular organism
Question 5 (True/False Worth 4 points)
(04.01 LC)
Nonliving things have cells.
True
False
Question 6(Multiple Choice Worth 4 points)
(04.01 LC)
Which level of organization is formed when a group of organs work together to perform complex functions?
Molecule
Organ
Organ system
Tissue
Note: please answer correctly please do not send file link those do not work for me
Answer:
1. Cell; organ
2. Cells
3. Element
4. Protein
5. False
6. Organ system
Explanation:
Describe the structure and bonding of gold
Answer:
structure
The arrangement of atoms in gold follows what's called a "face centred cubic" (fcc) structure. Put simply, the atoms in gold form cubes, with an atom at each of the corners, and another atom in the centre of each of the faces (you can see what this looks like in the image below).
bonding
Silver, iron, platinum, gold, and copper all form metallic bonds. Unlike covalent bonding, metallic bonding is non-directional. The strong bond consists of positively charged metal atoms in fixed positions, surrounded by delocalized electrons.
Explanation:
Gold's atoms are face-centered cubic (fcc) and has metallic bonding in it's structure.
What is the bonding and structure of gold?Because a cloud of electrons holds the atomic nuclei of gold together, gold is soft. Instead of having a set of electrons allocated to one nucleus, this cloud floats through the gold framework. Metallic bonds are the forces that exist between the nuclei and the electron cloud.
In gold, atoms are arranged in a configuration known as a "face-centered cubic" (fcc) structure. Simply put, the gold's atoms take the shape of cubes with one at each of their four corners and another in the middle of each of their six faces.
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Asexual reproduction in the parent cell will result in offspring with
four times the genetic information.
half the genetic information.
double the genetic information.
identical genetic information.
Answer:
Technically, it would create an identical copy of the parent cell, but with the answers you gave me, I would have to say the first response. Sexual reproduction provides half the genetic information, a half from one parent and a half from the other.
Explanation:
try me and see what happens!!!
the principal mineralocorticoid is _____________ that helps regulate levels of _____________ in the blood and body fluids.
Answer:
The principal mineralocorticoid is aldosterone that helps regulate levels of sodium and potassium ions in the blood and body fluids.
the ________ of the retina detect color and function only in ________ light.
The cones of the retina detect color and function only in bright light.
find the answers for the questions given below
biology-reaching the age of adolsence
Answer:
Hopefully this helps!!
Explanation:
bcaabccbcadbccaDiabetesCortisolMenarcheInfertilityDNAEndocrine28ExocrineThyroidPituitaryA process in which cells surround and engulf substances that are too big to pass
through the membrane is known as...
membrane pump
endocytosis
facilitated diffusion
exocytosis
Answer:
including other cells, by enclosing the particles in an extension of the cell membrane and budding off a new vesicle. During pinocytosis, cells take in molecules such as water from the extracellular fluid. Finally, receptor-mediated endocytosis is a targeted version of endocytosis where receptor proteins in the plasma membrane ensure only specific, targeted substances are brought into the cell.
Explanation:
so the answer is exocytosis
Answer:
Endocytosis
Explanation:
What substances in food provide organisms with energy?
Answer:
A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.
Explanation:
Answer: Carbohydrates
Explanation: Because of the starches and sugars in food, that gives your body‘s main sources of energy.
Match each pollutant with its source.
Match Term Definition
Carbon dioxide A) made when it reacts to oxygen
Nitrogen oxides B) released when burning coal or gas
Volatile organic compounds C) emissions from oil refineries
Sulfur oxides D) cleaning, disinfecting, and degreasing products
The pollutants and their respective sources include the following
Carbon dioxide - This is released when burning coal or gas. The burning of
fossil fuels such as coal or gas releases the greenhouse called
carbondioxide and is responsible for increase in infrared absorption to the
earth.
Nitrogen oxide: This is made when nitrogen reacts with oxygen under the
appropriate conditions.
Sulfur oxides : This is contained in emissions from oil refineries. This is
because crude oil which is the major raw material in refineries have large
amounts of sulphur in them which reacts with oxygen to form sulfur oxides.
Volatile organic compounds: These are contained in cleaning, disinfecting,
and degreasing products.
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By 12 weeks, the uterus is just ____________ to the level of the ____________ and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the ____________ .
Answer: 1. superior 2. pubic symphysis 3. urinary bladder
Explanation:
Given our understanding of the human anatomy, we can confirm that by 12 weeks, the uterus is just superior to the level of the pubic symphysis and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the bladder.
As the question tells us once the spaces are filled in, the uterus, which holds the fetus during development, expands as the fetus grows in size. This expansion causes it to extend to the spaces superior to the pubic symphysis and the space occupied by the bladder.
The expansion of the uterus into the space occupied by the bladder causes this organ to have very limited space to expand, thus greatly limiting the amount of urine it can hold which causes more frequent trips to the bathroom.
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help pls pls pls pls
Answer:
2) =b
Explanation:
I don't know others unu
Which of the following is a sign of illness in a dog?
A father and mother with free earlobes have 8 kids. All 8 kids randomly end up with free earlobes. Which genotype combinations would not be possible for the parents? Free earlobes (E) is dominant to attached earlobes (e).
A.
Ee x ee
B.
EE x ee
C.
Ee x Ee
D.
EE x Ee
Answer:
I think the answer would be D
D = EE x Ee
Explanation:
Can you please help me with this?
Based on this diagram label the positive and negative sides of the DNA fingerprint with a + and – sign.
Answer:
?
Explanation:
What is a DNA fingerprint?
DNA fingerprinting is a method used to identify an individual from a sample of DNA by looking at unique patterns in their DNA.
Background
Almost every cell? in our body contains our DNA?.
On average, about 99.9 per cent of the DNA between two humans is the same.
The remaining percentage is what makes us unique (unless you are an identical twin!).
Although this might sound like a small amount, it means that there are around three million base pairs? that are different between two people. These differences can be compared and used to help distinguish you from someone else.
Minisatellites are short sequences (10-60 base pairs long) of repetitive DNA that show greater variation? from one person to the next than other parts of the genome?. This variation is exhibited in the number of repeated units or ‘stutters’ in the minisatellite sequence.
The first minisatellite was discovered in 1980.
DNA fingerprinting
DNA fingerprinting was invented in 1984 by Professor Sir Alec Jeffreys after he realised you could detect variations in human DNA, in the form of these minisatellites.
DNA fingerprinting is a technique that simultaneously detects lots of minisatellites in the genome to produce a pattern unique to an individual. This is a DNA fingerprint.
The probability of having two people with the same DNA fingerprint that are not identical twins is very small.
Just like your actual fingerprint, your DNA fingerprint is something you are born with, it is unique to you.
How was the first DNA fingerprint produced?
The first step of DNA fingerprinting was to extract DNA from a sample of human material, usually blood.
Molecular ‘scissors’, called restriction enzymes?, were used to cut the DNA. This resulted in thousands of pieces of DNA with a variety of different lengths.
These pieces of DNA were then separated according to size by a process called gel electrophoresis?:
The DNA was loaded into wells at one end of a porous gel, which acted a bit like a sieve.
An electric current was applied which pulled the negatively-charged DNA through the gel.
The shorter pieces of DNA moved through the gel easiest and therefore fastest. It is more difficult for the longer pieces of DNA to move through the gel so they travelled slower.
what parts of a cell are most likely involved with inherited traits?
Chromosomes are most likely involved with inherited traits.
What are Chromosomes?A chromosome is defined as the long DNA molecule which contains part or all of an organism's genetic material. Most chromosomes consist of very long thin DNA fibers coated with packaging proteins where the most important of these proteins in eukaryotic cells are histones.
These structures are found in the nucleus of cells which contain long pieces of DNA. DNA is the material that holds genes and is the building block of the human body.
Chromosomes also contain proteins which help the DNA stay in the proper shape.
Thus, Chromosomes are most likely involved with inherited traits.
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Describe the relationship between the atmosphere and the geosphere regarding the movement of carbon.
Answer:
Several processes move carbon from the geosphere to the atmosphere. Volcanic eruptions release carbon dioxide from molten rock beneath the earth's surface. The production of cement that's used for homes, skyscrapers, streets and other hardscapes around the world releases an enormous amount of carbon dioxide.
Explanation:
Which plate is the Eurasian plate?
A. D
B. C
C. B
D. A
_______ are a result of hurricanes, which push massive amounts of water inland, causing severe damage.
Answer:
Warm ocean air rises into the storm
Explanation:
Most of us know that heat rises so when the heat from the ocean rises it adds into the storm and creates a low-pressure area under the clouds which then continues to build heat and the winds reach to around 74 MPH to be classified as a hurricane.
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I need help for Monday pls
Answer:
Explanation:
1.foods
2. lemons or any of acidic fruit
3.washing powder
4. arrhenius Acid
5. hydrogen
6. alkali/ base
7. water?
8. alkali
9. hydroxide
unsure about the rest sorry
Answer:
((1))●many __foods__
●__vegetables__
●such as __detergents__
((2))
●acids
a) H
H2O
b) hydronium
((3))
● bases
a)Hydroxide
Water
separate
b)water
hydrogen
hydroxide
B1) pH
inverse
a) acidic
b) basic
........ BRAINLIST.....:)