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Colt1911 [192]
3 years ago
7

Which of the following are correct statements about the roles of DNA and RNA in a cell?

Biology
2 answers:
Anton [14]3 years ago
8 0
Should be the Second option
ahrayia [7]3 years ago
4 0
Correct answer - C I abs III only.

Why? - DNA contains the instructions needed for an organism to develop, survive and reproduce. Transfer ribonucleic acid (tRNA) is a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein. ... When a tRNA recognizes and binds to its corresponding codon in the ribosome, the tRNA transfers the appropriate amino acid to the end of the growing amino acid chain.
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Human blood has a pH of 7.4. How do buffers in the blood affect the pH?
ikadub [295]

Answer:

C

I think buffers prevents small amounts of acids and blood from coming and changing the pH of the body, because the buffers are barriers that do not let blood and acid pass through.

Hope it helps!

6 0
2 years ago
In your own words, what does “degradation” mean?
Ad libitum [116K]
Degradation means the wearing down of or slow lowering to a weaker position.
7 0
3 years ago
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A 37-week-old infant was delivered by cesarean section and discharged from a Connecticut hospital when he was 10 days old. Two d
Zolol [24]

Answer:

A. We can deduce that microorganisms such as Citrobacter have a classification from which it is possible to establish the most favorable environment for it, since being gram-negative, lactose positive, optional anaerobic, not endospore, it will prefer the environment as humid sites and that contain wastewater and soil as well as the intestine, it can therefore remain in some contaminated food and be transmitted with consumption

B. Given the aforementioned characteristics of Citrobacter, it does not infect all people and prefers those who have deficits in its defense mechanisms, thus it becomes a favorable site for colonization of newborns, who do not have adequate immunity, according to the case. Clinically, the neonate was able to acquire the infection in various ways, although the medical personnel who have manipulated it do not have positive tests, the microorganism can adhere to contaminated surfaces and it will be necessary to take samples of the mother's and neonate's feces, as well as the soil. and the water where the infected was, to subsequently carry out disinfection processes in the areas and avoid new infections.

4 0
3 years ago
Is a starfish living or non- living explain why
KatRina [158]
It is a living because it moves it grow back parts 
4 0
3 years ago
In a certain population of fruit flies, 640 out of 1000 have red eyes, while the remainder have sepia eyes. The sepia eye trait
irga5000 [103]

Answer:

The correct answer is 160.

Explanation:

Based on the given question, the total number of fruit flies is 1000, of which red eye flies are 640. Thus, the number of sepia eye flies will be 1000-640 = 360.  

On the basis of the Hardy-Weinberg equation, p+q = 1, in which p is the rate of recurrence of one allele, that is, dominant and q is the rate of recurrence of the other allele, that is, recessive.  

q^2 for the population is 360/1000 = 0.36, q = 0.6.  

Therefore, p = 1-q = 1-0.6 = 0.4.  

The frequency of homozygous dominant allele is denoted by p^2 = 0.16.  

Hence, the number of homozygous dominant for red eye color would be 16% of 1000 which will be equal to 160.  

5 0
3 years ago
Read 2 more answers
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