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Anuta_ua [19.1K]
3 years ago
9

At the start of the lesson, Ms. Newman, the geneticist, wanted to answer Susan’s questions. You can help. Pick two questions, wr

ite each one below, and then answer each question in 150 to 250 words, applying what you learned from this lesson.
Biology
1 answer:
34kurt3 years ago
7 0
What two questions??
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DATA TABLE (21 points):
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Answer:

Food chain Desert or Forest , producer, Primary consumer,Secondary Consumer, Tertiary Consumer, decomposer

Explanation:

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3 years ago
Select all of the answers that apply.
olga_2 [115]

The answers are : C, B


I hope that's help:)

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3 years ago
Read 2 more answers
Which of these sentences characterizes the regulatory mechanisms of gene expressions in organisms?
scZoUnD [109]
<span>According to a source the answer is B. They save energy and metabolites and help the organisms to respond to the environmental changes.

</span>A genotype is a set of genes in the human DNA responsible for different traits. It represents your complete identity that you will inherit from your parents and ancestors.
<span>On the other hand, a phenotype is how that trait expresses physically, a characteristic, a visible description of your physical features, including height, eye color, overall health, history of diseases, the ability to gain or lose weight fast, what type of food you like, what you enjoy and what you hate. </span>
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3 years ago
Abnormally reduced somatic growth (dwarfism) can be a consequence of decreased hormone secretion from the
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Pituitary gland ( insufficient production of STH )
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3 years ago
Answer questions about aspects of Watson-Crick model of DNA structure
tino4ka555 [31]

Answer:

a. The directionality of the complementary strand is antiparallel. The double-stranded DNA is antiparallel comprising two strands, which run alongside each other, however, point in reverse directions. In a double-stranded molecule of DNA, the 5 prime ends of one strand align with the 3 prime ends of the other strand, and vice versa.  

b. The mediation of base pairing is done by non-covalent hydrogen bonds. It is reversible, that is, the strands can separate and can come combined again without any chemical modification.  

The specificity of base pairing is illustrated by hydrogen bonds that is, the first strand produces hydrogen bonds only with a particular base in the second strand, and these two bases produce a base-pair.  

c. The interaction or association of non-covalent type, that is, hydrophobic interaction and hydrogen bonding. Collectively, they both are strong. In the process, one base associate with the other base on the complementary strand.  

d. The phosphate backbone possesses the tendency to associate with water on the outside of the molecule, and this is favorable chemically as both the strands are held together by hydrogen bond and hydrophobic interaction.  

The polar molecules of sugar can produce hydrogen bonds with the surrounding molecules of water. The negatively charged phosphate group associate with the positively charged ions. The nonpolar nitrogen bases are found within the molecule and associate favorably through stacking interactions.  

6 0
3 years ago
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