Which of the following statements about human somatic cells is not true? Select one: a. They are haploid. b. They reproduce by mitosis. c. They are more complex than bacterial cells. d. They contain 23 pairs of chromosomes

Answers

Answer 1

Answer:

Answer:

they are diploid.

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3. What does electronegativity mean? A. Affinity for electrons in covalent bonds B. Repulsion of electrons in covalent bonds C. The negativity of a molecule due to the number of electrons D. An atom's ability to steal electrons in ionic bonds
Sunlight provides _____ for plants.a. gravity b. energy c. temperature d. photosynthesis
Your _____ indicates that the relative humidity is very high. Rain probably _____ occur. anemometer; will anemometer; won't hygrometer; will hygrometer; won't
The ____ are responsible for the movement of much of the weather across the United States and Canada.
1. a polysaccharide-based substance that forms the exoskeleton of arthropods.( larva ) 2. an early stage in the development of an animal or plant (hydroskeleton) 3. the period of time offspring is carried in the womb before birth (chitin) 4. gamete-producing organ in animals (gonad) 5. support and movement structure of animals that is maintained by water or body fluid (gestation period) 6. an early growth stage or phase of life of an organism that undergoes metamorphosis (embryo)

The tip of the tongue in a live frog is sticky. What would be the advantage to this?

Answers

The advantage of the tip of the frog’s tongue being sticky is that it can catch insects very easilyeven if they fly very fast such as the fly. The long length of the small intestine relates to its function in absorbing digested food because ittakes more time to pass through and allows for more calories and nutrients to be absorbed. In the frog’s heart the ventricle has a thicker wall than the atrium because it pumps bloodthroughout the body and to the lungs. The atrium only receives blood and then pumps it into theventricle.

Read the passage.(1) New York City has many tourist attractions, but one attraction stands head and shoulders above the rest. (2) It is the Statue of Liberty, also known as Lady Liberty. (3) Lady Liberty is a woman holding a torch, it represents freedom. (4) The statue is 305 feet tall, including the pedestal on which Lady Liberty stands.
Which among the sentences contains a comma splice?

A. sentence (1)
B. sentence (2)
C. sentence (3)
D. sentence (4)

Answers

Sentence (1) contains a comma splice. Therefore, option (A) is correct.

What is comma splice?

A comma splice is an error in grammar that occurs when two independent clauses (complete sentences) are joined by a comma, without the use of a coordinating conjunction (such as "and" or "but"). This error can occur when a writer is trying to connect two ideas or sentences, but does not use the proper punctuation to do so.

In sentence (1), the clauses "New York City has many tourist attractions" and "one attraction stands head and shoulders above the rest" are both independent clauses, but they are joined by a comma instead of a coordinating conjunction. This creates a comma splice.

Learn more about common splice, here:

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A comma splice is basically a comma fault which means- when two independent clauses are joined by a comma to make one complete sentence. And an independent clause is a clause that can stand alone as a sentence.

So, here in the passage- Option C is correct one.

Lady Liberty is a woman holding a torch, it represents freedom. This sentence can be successfully broken into two complete sentences. Like- Lady Liberty is a woman holding a torch. It represents freedom.

What is the DNA backbone made of?- a nitrogenous base and a sugar molecule
- nitrogenous bases, sugar, and phosphates
- sugar and phosphates
- a polymer of nitrogenous bases

Answers

DNA or deoxyribose nucleic acid is a genetic material, which transmits information from the parent cell to the offspring. It is present in the nucleus or found in the nucleoid.

The correct option is:

Option C. sugar and phosphates

DNA is made up of:

Nitrogenous bases such as adenine, cytosine, thymine, and guanine are involved in the specific pairing that provides the helical structure of DNA.

The DNA consists of a pentosesugar, known as deoxyribose.

The backbone of the DNA is made up of the phosphate group attached with sugar, which provides DNA with a negative charge.

Thus, the DNA backbone is made up of phosphate and pentose sugar.

Therefore, Option C is correct.

To know more about DNA, refer to the following link:

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the answer is C.sugar and phosphates. yw hope that helped :)

Which is the primary advantage of instincts, such as the tendency of a mother bear to attack anything between herself and her cubs?

Answers

The primary advantage is that it increases survival rates of those who are endangered in any kind.

Explain why changes in climate can result in the extinction of a species.

Answers

The changes in environment can cause the raising of the sea level, which can push animals further inward, which in turn destroy habit, as they began to get clumped together vegetation begins to go away, thus resulting in less species, also hotter climate makes sure that animals with very heavy coats of fur, die out pretty quickly if not cooled (over heating)

Changes in climate (too hot or too cold) can affect multiple spiecies of animals due to disappearance of their habitats or/and food.
Every living animal and plant is part of the food chain. If the food chain is broken, many species would be in danger of extinction.

In cellular respiration, a series of molecules forming an electron transport chain alternately accepts and then donates electrons. what is the advantage of such an electron transport chain?

Answers

The advantage of an electron transport chain is that a small amount of energy is released by the transfer of an electron between each pair of intermediates.

Cellular respiration has three stages: glycolysis, the Krebs cycle and oxidative phosphorylation.

During oxidative phosphorylation, the transport of electrons through a series of intermediates is used to create an electrochemical proton gradient across the inner mitochondrial membrane.

As the electrons move in the transport chain, a small amount of energy is released, which is coupled to the active transport of protons into the mitochondrial inner-membrane space.

Subsequently, this proton gradient is then used to synthesize ATP by an ATP synthase.

In conclusion, the advantage of an electron transport chain is that a small amount of energy is released by the transfer of an electron between each pair of intermediates.

Learn more in:

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The advantage of an electron transport chain is that a small amount of energy is released with the transfer of an electron between each pair of intermediates. An electron transport chain (ETC) is a series of compounds that transfer electrons from electron donors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

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