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Lelechka [254]
3 years ago
15

The following concepts led to the hypothesis that DNA has a double helix structure:

Biology
1 answer:
Maslowich3 years ago
7 0
I and III.

Chargaff's law and Rosalind Franklin's discoveries
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What is a sugar phosphate backbone and how many dose a double helix have?
Tema [17]
A sugar phosphate backbone joins the nucleotide in a DNA sequence. A double helix has TWO backbones.
7 0
2 years ago
A hurricane passes through the Gulf of Mexico and destroys many of the coastal regions of Northwest Florida. Which of the follow
denis-greek [22]

Answer:

Species reliant on coastal wetlands for survival may experience a decline in population due to loss of habitat.

Explanation:

A hurricane destroys many coastal regions of Northwest Florida which leads to the loss of habitat of many species that lives on the coastal region of Northwest Florida. This hurricane destroy the habitat that leads to decrease in population of organisms that lives in that coastal region so we can conclude that the population of organisms decreases due to this hurricane.

6 0
2 years ago
For a couple of decades, biologists knew the nucleus contained DNA and proteins. The prevailing opinion was that the genetic mat
BARSIC [14]

Answer:

A) Proteins have a greater variety of three-dimensional forms than does DNA.

Explanation:

Proteins have a more complex nature as compared to DNA. Proteins structural organization is also very different.  The three dimensional structure  determine the function of protein based on the amino acid sequence. Proteins are the end products of the genetic information which perform the function and have greater variety

4 0
3 years ago
Which hypothesis regarding the evolution of hominin bipedalism suggests that this energy-efficient trait arose so that hominins
Lynna [10]

Answer:

Patchy forest.

Explanation:

The patchy forest hypothesis is the second hypothesis that helps to explain the origin of the hominids. The hypothesis was developed by  Peter Rodman and Henry McHenry.

This hypothesis suggest that the evolution of bipedalism is energy efficient in the environment that contain few tress. The patchy forest result in the dispersion of the forest and this might result in the energy efficiency of bipedalism by walking upright and collect their food with hands.

Thus, the correct answer is patchy forest.

4 0
3 years ago
10 points
777dan777 [17]
The second answer. The atmosphere blocks of absorbs them.
3 0
3 years ago
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