Answer:
mouth, pharynx, esophagus, stomach, Small Intestine.
Large Intestine.
Rectum.
Accessory digestive organs: liver, gallbladder, pancreas.
B) All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
C) All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
D) Chordates are the largest group, and it is subdivided into two groups: vertebrates and invertebrates.
Answer:
The most appropriate answer would be option A.
The chordates refer to the organisms which belong to the phylum Chordata. They possess anatomical features like notochord, pharyngeal slits, dorsal nerve cord, post-anel tail, and endostyle during some period of their life cycle. They include classes amphibians, fish, reptiles, birds, and mammals. These organisms are believed to share a common ancestor.
In contrast, invertebrates refer to the organisms which lack a vertebral column. They include all the organisms other than vertebrates. For example, they include arthropods, mollusks, annelids, and cnidarians.
What DNA sequence is complementary to the following:
CCG ATC AAC GAT
(5 points)
CA. GGG TÁC TTG CTA
B. GGC UAG UUG CUA
c. GGC TAG TTG CTA
Question 12 of 20
The DNA sequence complementary to CCG ATC AAC GAT would be GGC TAG TTG CTA.
According to the base-pairing rule of DNA, Adenine (A) always pairs with Thymine (T) while Guanine (G) always pairs with Cytosine (C)
Thus:
Original sequence: CCG ATC AAC GAT
Complementary sequence: GGC TAG TTG CTA
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Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
hope that helps!
The building blocks of nucleic acids are nucleotides, which consist of a sugar molecule, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
Nucleotides are the building blocks of nucleic acids, such as DNA and RNA. They consist of a sugar, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
Nucleotides link together through phosphodiester bonds, forming the backbone of nucleic acid chains. The sequence of nitrogenous bases along the chain encodes genetic information. Adenine pairs with thymine or uracil in RNA, while guanine pairs with cytosine, creating complementary base pairs.
Nucleotides play a crucial role in storing and transmitting genetic instructions, serving as the foundation for DNA and RNA molecules.
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Answer:
A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
I found this on google because I am not the best at explaining things but I hope this helps :)
a. True
b. False
Answer:
a. True
Explanation:
Proteins are biopolymers composed of amino acids that appear in chains. These amino acids are formed by peptide bonds. Due to the functions they carry out, proteins are essential for the existence of life. Proteins can be found in both animals and vegetables. In animals, there are proteins that help protect the body, others are in charge of regulating metabolism. On the other hand, in plants proteins participate in cell division processes, membrane transport, catalysis of biochemical reactions, photosynthesis and respiration processes, synthesis of sugars, starches, and other compounds.
True. Protein can be found in both animals and vegetables. Therefore, option (A) is correct.
All living species need amino acid-based proteins to shape, function, and regulate their cells and tissues. Meat, poultry, fish, eggs, and dairy are protein-rich. These sources often supply all needed amino acids.
Proteins in vegetables and plant-based diets differ from animal-based proteins. Plant-based protein sources include legumes, soy, nuts, seeds, and grains like quinoa and amaranth. A balanced amino acid profile can be achieved by eating a variety of plant-based proteins. Therefore, option (A) is correct.
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