rip for my bio grade :(

If the fish did not change the amount of air in the swim bladder, the volume of air would decrease because the pressure inside the swim bladder would increase.

Thus, if the fish did not change the amount of air in the swim bladder, the volume of air would decrease because the pressure inside the swim bladder would increase.

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Answer:

1.94 g/mL

Explanation:

Following Archimedes' principle, the displaced volume of an object (meaning the volume of water it displaces if completely submerged in it) is equal to the object's volume.

Thus the volume of this Halite sample is 17 mL.

The density of an object is equal to the mass divided by the volume:

We input the data we know:

And calculate the density:

Answer:

glucose

Explanation:

similar to glucose in many ways.

Answer:

c option

Explanation:

please mark me brainliest

Production of recombinant gametes is a likely result of crossing over during meiosis I.

What is recombination ?

Recombination can be defined as the process where DNA fragments are under go breakage and recombined to generate new allele combinations.

This mechanism will generate genetic diversity at the gene level in which variations in the DNA sequences of various organisms will be reflected.

In the field of heredity, recombination is the process which produce gametes with new allele combinations that were absent in the gametes of previous generations.

one of the type of recombination called Intrachromosomal recombination takes place between independently assorted alleles with loci on distinct chromosomes.

Crossover occur among loci within identical chromosomes in case of intrachromosomal recombination which is essential to keep in mind that recombination takes place during meiosis in both of these situations.

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By Na+-independent carrier mediated process

Answer:

digestive system

Explanation:

The lower esophageal spinsters do not function when person is affected frm Achalasia resulting esophagus closure and food cannot get in instead comes backwards.

Answer:

C. shoulder joint

Explanation:

Answer:

No

Explanation:

Polar Bears do not eat penguins because polar bears live in the arctic region (north pole) while penguins live in Antartica and in the southern hemisphere. As both polar bears and penguins live poles apart so there is no chance for the polar bears to eat penguins.

Answer:

Chloroplast should be right

Answer:

b

Explanation:

im 80% sure about my answer

The efficiency of genetic transformation of intact Saccharomyces cerevisiae cells rose to more than 1 105 transformants per microgram of vector DNA and to 1.5% transformants per viable cell utilising a method that produces competent cells using LiAc.

Biopolymers and macromolecules called nucleic acids are necessary for all known forms of life. They are constructed of monomers called nucleotides, which are composed of a nitrogenous base, a phosphate group, and a 5-carbon sugar. Deoxyribonucleic acid and ribonucleic acid are the two primary types of nucleic acids.

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Answer:

Ice wedging.

Explanation:

Ice wedging causes many rocks to break.

Answer:

Without a water supply, organisms in aquatic and land habitats will die. Organisms without access of water cannot access oxygen, and as a result of that, they would die. Oxygen is needed for organisms in order to survive. Water also helps insulate the living environment for these organisms.

The temporal lobe neurons show Plasticity.

According to biology's classical idea of the nervous system, an animal's nervous system is a highly sophisticated component that coordinates its movements and sensory data by sending and receiving signals from and to various regions of the body. In order to react to such occurrences, the nervous system and endocrine system collaborate to detect environmental changes that have an effect on the body.

Around 550–600 million years ago, worm-like invertebrates were the first to develop nervous tissue. The discovery of electrical impulses in plants and their utilization in recent decades, however, has called into question this conventional wisdom. These findings have led some researchers to suggest that plants have neural systems and that the science of plant neuroscience should be established.

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Answer:

Direct relationship.

Explanation:

There is direct relationship between the concentration of oxygen and  ATP concentration in cells because with the increase of oxygen, increase also occur in the concentration of the energy that is produced in the form of ATP. Direct relationship means if one increase the other automatically increase while on the other hand, if one decrease the other also decreases. So if oxygen is increases, ATP production is also increases and vice versa.

A rubber band will hold more weight without breaking.

The breaking strength of a material is given by a quantity known as Young’s Modulus. The Young’s modulus(Y) has a different value for different materials and its formula is as follows: Y = F(L)/A(ΔL). Here F is the maximum amount of force that the material can handle without breaking. L is the length of the material, A is the area of cross section of the material, ΔL is the change in length.

As we can see from the above formula, the maximum force handled by a material is directly proportional to the Young’s Modulus of the material. So, a material with a greater value of Y will hold more weight without breaking. As the value of Young’s Modulus is greater for rubber than a string, the rubber band can hold more weight without breaking.

Thus, a rubber band will hold more weight without breaking.

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Answer:

A

Explanation:

Answer:

One of the 10 human body systems that each organ is a part of. These bodily systems are linked and rely on each other in order to work. The brain and neurological system must interact with the heart in order for it to beat.  Furthermore,the nutrients that our digestive system provides to our skeletal system help it create strong and healthy bones. The body's cells receive water, oxygen, salt, plus nutrients from the circulatory system. The epidermis, respiratory, and excretory systems all function to remove wastes from the cells. With the help of sweat glands, the skin functions as just another excretory organ to remove waste from the body. Through sweat, it removes water, salts, plus urea out from body.

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Answer:

A. DNA is transcribed into RNA, which is translated into protein

Explanation:

The process that accurately explains the process of gene expression is: DNA is transcribed into RNA, which is translated into protein. The correct option is A.

Gene expression is the procedure by which genetic information is utilized in the biosynthetic pathways of a functional gene product.

This aids in allowing it to produce end products such as protein or non-coding RNA as well as, as a result, affect a phenotype.

Several factors affect gene expression, along with molecules inside the cell, mutations that cause dominant negative effects.

It also cause haploinsufficiency, signaling molecules from neighboring cells and the surrounding environment, and epistasis. Several molecules within the cell influence gene expression.

The following process accurately describes gene expression: DNA is transcribed into RNA, which is then translated into protein.

Thus, the correct option is A.

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Answer:

sensory neurons

Explanation:

Sensory nerves - The second type of nerves are called sensory nerves. These nerves carry signals to the brain to tell it about what is going on in the outside world. They come from our skin (touch), eyes (sight), tongue (taste), nose (smell), and ears (hear).

Answer:

A keystone species is a species that has an unusually large effect on its ecosystem.

Explanation:

hope this help

Answer:

large

Explanation:

it's a keystone species because it's unusually important in its ecosystem, it plays a big part.

the word keystone is used because it has to do with something being dependent on it

Answer:

I believe it's chloroplast

Explanation

Answer:

B. "Matter exists only when you can see it."

Explanation:

Since an atom is the smallest unit of matter, both "atoms make up matter" and "matter is made up of atoms" are true.

Living things like lions or plants are made up of atoms, which is the smallest unit of matter.

This means that by the process of elimination, B. is correct.

Matter exists regardless if you can see it or not. Humans cannot see air, but it is still made up of oxygen atoms (which are matter).

Answer:B I think

Explanation:

Copy number changes is considered as genetic changes which does not lead to the formation of oncogenes.

Copy number change- The cytogenetic level of resolution, known as copy number variation (CNV), involves both duplications and deletions of sequences that generally have lengths between 1,000 base pairs and 5 megabases.

Genetic Change- Genetic mutations, which occur as our cells divide and generate duplicates of themselves, are modifications to your DNA sequence.

Base Pairs- The DNA molecule is made up of two bases (or nucleotides) that contain nitrogen. Adenine (A), cytosine (C), guanine (G), and thymine (T) are the four bases of DNA (T). These bases come in certain pairings (A with T, and G with C).

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Answer:

C

Explanation:

the mitochondria is the power house of the cell, just like the battery is a "power house" to an electronic

Answer:

Grafting

Explanation:

Tissue culture is the growth of tissues or cells in an artificial medium separate from the parent organism, whereas grafting is a horticultural technique whereby tissues of plants are joined so as to continue their growth together.

This is why the correct answer is grafting :)

Answer:  Tissue Culture.

Explanation:

Plant tissue culture is the method used for large scale multiplication to develop better variety of crops and to save endangered species of plants.

That is the answer.

Explanation:

It prevents the cells of the body from using oxygen and when this happens the cells die. It is most harmful for the heart and the brain because they use a lot of oxygen.

Answer:

Cyanide prevents the cells of the body from using oxygen.

Explanation:

When this happens, the cells die. Cyanide is more harmful to the heart and brain than to other organs because the heart and brain use a lot of oxygen. Cyanide poisons the mitochondrial electron transport chain within cells and renders the body unable to derive energy (adenosine triphosphate-ATP) from oxygen. Specifically, it binds to the a3 portion (complex IV) of cytochrome oxidase and prevents cells from using oxygen, causing rapid death