What combines with sugar and a phosphate group to form a nucleotide?

Answers

Answer 1

Answer: A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil.) A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of it carbons. One or more phosphate groups.

Answer 2

Answer: in terms of bonding, there is the presence of ester bonds. This happens when the OH group of the nucleotide is reacted with an inorganic phosphate group from phosphoric acid. there is also the formation of anise groups through the reaction of amines. overall formation of a nucleotide is mainly due to condensation reactions through hydrolysis(water out) from H and OH from the different molecules. Also there is the formation of phosphoester bond between the whole molecule

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Which process allows organisms to keep internal conditions relatively constant despite changes in external conditions? Homeostasis

Hibernation

Hypothermia

Answers

Answer:

Homeostasis

Explanation:

Walter Cannon elaborated the concept of homeostasis from the investigations

carried out by Claude Bernard, creator of Experimental Medicine.

The concept of homeostasis, as Cannon formulated it in his capital work, the Wisdom of the Body implies a dynamic equilibrium, maintained interactively by the constant dialectic between internal kinetics and variations of the external environment. Homeostatic regulation is set to different levels, from molecular-subcellular to suprapersonal or social, through the global consideration of the individual as a whole . The study of isolated aspects of this systematic organization must give us, for strength, a partial vision. Human functioning is always influenced by a hierarchically organized activity of suprasystems and related subsystems.

Homestasis is correct.

Which one of the following lists shows the correct order of biological organization?a. Ecosystem, population, community, biosphere
b. Community, population, biosphere, ecosystem
c. Population, community, ecosystem, biosphere
d. Biosphere, community, population, ecosystem

Answers

The answer would be C because it goes population community ecosytem then biosphere poulaton always comes first

Please helpFill in the blank

Relate the law of conservation of mass to photosynthesis

The Law of Conservation of Mass holds true in photosynthesis
because the number of ______________

Answers

Answer:

individual atoms that compose living organisms have long histories as they cycle through the biosphere.

When water boils, some of its particles have enough energy to overcome attractive forces from neighboring particles. Where do the particles get their energy from?

Answers

Increase in temperature that's the answer

List four types of stem cells

Answers

Embryonic stem cells, adult stem cells, induced pluripotent stem cells, and mesenchymal stem cells

The four types of stem cells are

1. Embryonic Stem cells

2. Mesenchymal stem cells

3. Adult Stem Cells

4. Induced Pluripotent Stem cells

Which one of the following types of microscope gives the highest amount of magnification?A. compound light
B. TEM
C. dissecting
D. SEM

Answers

Magnification is how large a microscopic image is compared to real life. An electron microscope is more advantageous over a light microscope for use with very small objects because electron microscope provide higher resolution and magnification. A light microscope such as dissecting and compound light microscopes are use for low magnification. examples of electron microscope are Transmission Electron Microscope (TEM) and Scanning Electron Microscope (SEM). A SEM however offer 2 million as a maximum level of magnification whereas TEM offers up to 50 million. therefore TEM gives the highest amount of magnification.

the answer is Electron microscope The scanning electron microscope(SEM) have the highest magnification. Its magnification varies from about 10 to 500,000 times

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