The sudden loss of a ________ would necessarily cause the loss of most or all of a food web.a. producer
b. mutualistic species
c. keystone species
d. secondary consumer

Answers

Answer 1
Answer: The answer to the question stated above is letter a. producer.
The sudden loss of a producer would necessarily cause the loss of most or all of a food web.
Producers are the beginning of a simple food chain. Producers are plants which are at the beginning of every food chain that involves the Sun. All energy are coming  from the Sun and plants are the ones who make food with that energy, without producers the transfer of energy is destructed. 

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What do aerobic respiration and anaerobic respiration have in common?

Answers

Answer:

Glycolysis.

Explanation:

Aerobic respiration involves complete breakdown of glucose molecule in the presence of oxygen to release 36 molecules of ATP.  On the other hand, anaerobic respiration involves partial breakdown of glucose molecule, when oxygen is absent to release only two molecules of ATP.

Glycolysis is a universal process as it is common in both aerobic and anaerobic respiration. It does not require oxygen and can occur in both presence or absence of oxygen. Glycolysis forms two [pyruvate molecules, two ATP molecules. along with two NADH molecules from one glucose molecule.

Thus, the correct answer is 'glycolysis.'

Both aerobic and anaerobic respiration involve the breakdown of glucose for energy, but aerobic respiration requires oxygen and produces carbon dioxide and water, while anaerobic respiration occurs without oxygen and produces either ethanol or lactic acid.

Aerobic respiration and anaerobic respiration are two different processes that cells use to generate energy, but they share some similarities. Both processes involve the breakdown of glucose molecules to release energy in the form of ATP (adenosine triphosphate). Additionally, both processes occur in the cytoplasm of cells and involve the initial step of glycolysis, where glucose is converted into pyruvate.

However, the key difference between aerobic and anaerobic respiration lies in the final steps. Aerobic respiration requires oxygen and proceeds with the conversion of pyruvate into carbon dioxide and water through the Krebs cycle and the electron transport chain in the mitochondria. In contrast, anaerobic respiration occurs in the absence of oxygen and follows either alcoholic fermentation or lactic acid fermentation, where pyruvate is converted into either ethanol or lactic acid, respectively.

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The coded information in a DNA molecule is determined by theā€¦.

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The coded information in a DNA molecule is determined by the - sequence of nitrogenous bases in a nucleotide sequence.

DNA

  • DNA is the basic physical and functional unit of heredity.
  • it has coded information that is encoded to mRNA or replicated for new cell formation
  • It consists of a specific sequence of nucleotides at a given position on a given chromosome that codes for a specific protein.
  • each protein is responsible for a specific function or trait
  • each nucleotide has specific sequence of nitrogenous bases in a specific gene sequence.

Thus, The coded information in a DNA molecule is determined by the - sequence of nitrogenous bases in a nucleotide sequence.

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Final answer:

The coded information in a DNA molecule is determined by the sequence of the nucleotides adenine (A), cytosine (C), guanine (G), and thymine (T). This sequence forms genes that provide the instructions for building proteins. This genetic information is structured in a way that allows it to be passed from generation to generation, making DNA the primary source of heritable information.

Explanation:

The coded information in a DNA molecule is determined by the sequence of its nucleotides that bond with the 1-carbon of deoxyribose. In DNA, these nucleotides are adenine (A), cytosine (C), guanine (G), and thymine (T), and they each correspond to a specific amino acid. This nucleotide sequence is termed the genetic code, and it forms genes that provide the instructions necessary to build proteins through processes called transcription and translation.

Each series of three nucleotides, or codon, codes for a specific amino acid. Though there are 64 possible codons, they only specify 20 amino acids, and there are even some, termed 'nonsense codons', that signal for the termination of a protein sequence. This is known as the central dogma of molecular biology, which outlines the flow of genetic information within a cell from the DNA to mRNA to the proteins.

Although the pairing combinations of certain bases are fixed (C-G and A-T), the sequence of nucleotides in the strand can vary, which is what makes DNA the primary source of heritable information. It's worth noting that almost every species on the planet uses this same genetic code, and the differences in their DNA sequences is what accounts for the wide variety in life we see today.

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Fats are broken into saturated fats and unsaturated fats. Which of these explains the difference between saturated and unsaturated fats?A) Saturated fats have no hydrogen in the molecule.
B) Saturated fats have more carbon atoms than unsaturated fats.
Eliminate
C) Saturated fats have only single bonds on all the carbon atoms.
D) Saturated fats have only double and triple bonds on the carbon atoms.

Answers

i think it is D because Saturated fats have only double and triple bonds on the carbon atoms will be 

animal research is critically important for the study of variables that can't be _____ ethically in human subjects.

Answers

animal research is critically important for the study of variables that can't be manipulated ethically in human subjects.

Final answer:

Animal research is critically important for studying variables that can't be ethically tested in human subjects. Ethical regulations ensure the humane treatment of animal subjects and the minimization of pain and distress. Animal research is a privilege granted by society to researchers.

Explanation:

Animal research is critically important for the study of variables that can't be tested ethically in human subjects. Ethical considerations have necessitated strict regulations on animal research, such as the approval of an IACUC and regular inspections of animal facilities. The use of animals in research is a privilege granted by society to researchers, and efforts are made to minimize pain and distress experienced by animal subjects.

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Base your answer to the question on the information below and on your knowledge of biology.There are two different species of finch that live on the same small island, species A and species B. Both species successfully feed and reproduce on the island. Species A nests in pine trees and eats large seeds. Species B nests in hollowed-out dead logs and eats small insects.

The factor most often acting as a selecting agent for the survival of a species in a particular location is the

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i think i no idea Sandstone is a(n) ____ sedimentary rock.??

Which of these is not a structure found in prokaryotic cells?a defined nucleus

ribosomes

cytoplasm

cell membrane

Answers

A defined nucleus...