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Aliun [14]
2 years ago
7

Compare and contrast the structures of DNA and RNA please help short answer please don't copy

Biology
1 answer:
Savatey [412]2 years ago
3 0

DNA is a long polymer with deoxyriboses and a phosphate backbone. Has four different nitrogenous bases: adenine, guanine, cytosine, and thymine. RNA is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.

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Which of the following statements best describes the relationship between the light-dependent and light-independent reactions of
Annette [7]

The correct answer is: 2)The light-dependent reactions produce ATP and NADPH, which are then used by the light-independent reactions

The light-dependent reactions is one of the two successive phases that occur during photosynthesis (other is light-independent reactions). The light-dependent reactions use sunlight energy to make the energy storage molecule ATP and the reduced electron carrier NADPH. In the light-independent reactions (also called Calvin cycle), CO2 is absorbed and fixed in order to build three-carbon sugars (glyceraldehyde-3-phosphate) and this process is fueled by, ATP and NADPH from the light reactions.

5 0
3 years ago
Read 2 more answers
Calculate the average metabolic rate of a 65-kg person who sleeps 8.0h, sits at a desk 6.0h, engages in light activity 6.0h, wat
Anna35 [415]

Calculate the average metabolic rate of a 65-kg person who sleeps 8.0h, sits at a desk 6.0h, engages in light activity 6.0h, watches TV 2.0h, plays tennis 1.5 h, and runs 0.50h daily, If the metabolic rate for sleeping is 70 J/s, for sitting is 115 J/s, for engage in light activity is 230 J/s, for watching TV is 115 J/s, for playing tennis is 460J/s and for running is 1150 J/s.

Answer:

171.8 W

Explanation:

The Average metabolic rate can be deduced by multiplying each entity performed at a some particular hour of time with their corresponding energy, all divided by 24 hours.

Average metabolic rate = \frac{(8.0*70)(6.0*115)(6.0*230)(2.0*115)(1.5*460)(0.5*1150)}{24}

                                        = 171.8 W

4 0
2 years ago
Identify the scenario that could potentially result in new combinations of DNA in the offspring of the individual.(1 point)
Leya [2.2K]

Answer:

A pair of homologous chromosomes fails to separate during anaphase I of meiosis.

3 0
2 years ago
Suresh and Gail are students in a lab working on mice with defects in the function of the HOX3A gene. In the special mouse line
Furkat [3]

Answer:

C) Both Suresh and Gail could be correct.

Explanation:

The pre-messenger RNA (pre-mRNA) transcript obtained after transcription of eukaryotic genes must undergo several processing events, including a process known as intron splicing, where introns (i.e., the non-coding sections of an RNA transcript) are removed and exons (coding regions) are joined to form a mature mRNA molecule. The three prime untranslated (3′-UTR) region of this mRNA can also bind to regulatory non-coding RNAs such as, for example, miRNAs which inhibit gene expression by inhibiting translation and/or by triggering its degradation. Moreover, the 3′-UTR region may also contain silencer sequences that bind to repressors in order to inhibit gene expression. On the other hand, translation refers to the process by which an ordered polypeptide chain (i.e., a protein) is synthesized by using the information contained in an mRNA molecule. In consequence, in the case under consideration, the mutation in the second gene could affect both RNA processing and the regulation of translation, thereby equally affecting HOX3A protein synthesis.

4 0
2 years ago
Which carbohydrate can be used by the body as an immediate source of energy?
nadezda [96]
Your body can store some fuels in a form that offers muscles in a immediate source of energy.  Carbohydrates such as sugar are readily broken down in glucose, the part of your bodies principal energy source.


Hoped this helpes! =)
5 0
3 years ago
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