The DNA molecule is composed of two long complementary chains of nucleotides. The complementary DNA sequence of CGTA is GCAT.
The DNA molecule is composed of two antiparallel strands of nucleotides linked together by hydrogen bonds.
In DNA, there are four types of nucleotides, each containing one different nitrogenous base (i.e., Adenine, Guanine, Cytocine and Thymine).
In RNA, Thymine bases are replaced by Uracil bases.
According to the base pair rules, Adenine (A) always pairs with Thymine (T), whereas Cytosine (C) always pairs with Guanine (G).
In conclusion, the complementary DNA sequence of CGTA is GCAT.
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Answer:
The independent variable is the amount of glucose being supplied and the dependent variable is the amount of alcohol being produced.
An independent variable can be described as the variable which is being changes in a scientific experiment so that its effects can be studies.
The dependent variable can be described as the variable which is under study and which gets affected by the changes in the independent variable.
The control that can be designed for this experiment can be another experiment in which the amount of glucose is kept constant in each of the yeasts.
Answer:
The clusters of lymphatic nodules present in the inner lining of ileum is known as PEYER'S PATCH.
Explanation:
The lowest most part of the small intestine is known as ileum. In this part of intestine lymph nodules are present. Lymph nodules are small patch of lymphoid tissue inside the inner lining of respiratory system and urinary system.
These are named on the name of anotomist Hans Conrad Peyer. It is oval/round in shape and present inner lining of intestine.
They play a prominent role in immunologic responses. Like other lymph organs contain B and T lymphocytes.
Answer:
D. The threat of predators to eat eggs
Explanation:
The internal gestation followed by live birth was an adaptation developed by the mammals on land, and by some fish in the water, like the sharks. The mammals have been the most marking ones in this adaptation though. They too were producing eggs initially, but because they were living in an environment where there were numerous animals that preyed upon them, as well as their eggs, they had to be innovative. They developed internal gestation, where the embryo was developing inside the body of the female, and then it was born alive. This was providing extra safety, as the embryo was always with the mother, instead of being left alone and not guarded, thus an easy meal for the predators. The two types of internal gestation that the mammals developed are the placental and marsupial types, with the placental turning out to be more successful over time.
Answer: The answer is B: The enzyme's active site binds to and stabilizes the transition state, which decreases the activation energy of the reaction.
Explanation: An enzyme is a biological molecule which speeds up the rate of chemical reactions in the body (reactions within cells). They are proteins.
The transition state is the transition from substrate to product. The molecule is no longer a substrate but also not yet a product.
The enzyme is able to speed up the reaction by stabilizing the transition state. The transition state's energy is also the activation energy in terms of reaction. The activation energy is the minimum energy that is required to break some bonds of the reactants in order to turn them to products.
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