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nekit [7.7K]
3 years ago
5

Theodor engelmann broadcast light that had been passed through a prism onto a mat of algae. this exposed different parts of alga

e to different wavelengths of light. when he added aerobic bacteria to the system, he noted that the largest groups of bacteria aggregated in the areas of the algae illuminated by the blue and red light. what did engelmann discover from this experiment
Biology
1 answer:
tigry1 [53]3 years ago
5 0
Jimmy hole Tuesday went shopping on Tuesday and it’s pretty cool bcuz that’s where he got his name now go choke on a toenail
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Cystic fibrosis is an autosomal recessive disorder. In one population, the frequency of affected individuals (A 2 A 2) is 0.0004
Simora [160]

Hardy Weinberg Equilibrium

Explanation:

  • Hardy Weinberg Equilibrium formula for allelic frequency is: p+q=1
  • Hardy Weinberg Equilibrium formula for genotypic frequency is: p^2+q^2+2pq=1
  • Here,p=frequency of dominant allele

                 q=frequency of recessive allele

                 p^2=frequency of dominant genotype

                 q^2=frequency of recessive genotype

                 2pq=frequency of heterozygous genotype

  • frequency of affected individuals=0.0004(given)

here,affected individuals means the one's having Cystic Fibrosis and since it is recessive disease so we can write frequency of recessive genotype as:     q^2=0.0004

  • If q^2=0.0004 q will be 0.02;frequency of recessive allele will be 0.02
  • Using the formula p+q=1

                                       p+0.02=1\\p=1-0.02=0.98

  • hence,frequency of dominant allele will be 0.98
  • Frequency of dominant genotype will be p^2=(0.98)^2=0.9604
  • Frequency of heterozygous genotype will be 2pq=2*0.98*0.02=0.0392

7 0
3 years ago
The muscle belly of which of these muscles insert into the iliotibial (it) band?
Vikki [24]
(A) the Gluteus maximus inserts
3 0
3 years ago
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Which describes the process of cellular respiration?
True [87]

The process of cellular respiration catabolic pathway that breaks molecules into energy

<u>Explanation:</u>

Metabolic pathways consist of two distinct types: catabolic and anabolic. Catabolic deliver energy while breaking down molecules into easier molecules. Cellular respiration is one case of a catabolic pathway. During cellular respiration, sugar is held in by the cell and break to discharge energy that enables us to live.

Cellular respiration is the manner of oxidizing food particles, similar glucose, to carbon dioxide and water. The method transpires in two states:

  • glycolysis, the division of glucose to pyruvic acid
  • the entire oxidation of pyruvic acid to carbon dioxide and water

4 0
3 years ago
The net energy yield from this pathway, where glucose is broken down through several steps forming pyruvate, is ________ molecul
stepan [7]

Answer:

2 molecules of ATP and 2 molecules of NADH

Explanation:

Glycolysis is the first step of cellular respiration (break down of glucose to extract energy) which occurs in the cytoplasm. Glycolysis is a pathway common to all living organisms- prokaryotes and eukaryotes, as it does not require oxygen to occur.

Glycolysis occurs in two major phases (ten steps) requiring 10 enzymes catalyzing each step; the energy-requiring phase and the energy-requiring phase.

In the energy-requiring phase, the starting molecule (glucose) gets rearranged in a series of chemical reactions, and two phosphate groups gets attached to it producing fructose-1,6-bisphosphate which is unstable, This modified sugar then splits in half due to its instability to form two different but inter-convertible phosphate-bearing three-carbon sugars (Dihydroxyacetonephosphate, DHAP and Glyceraldehyde-3-phosphate, G3P). Because the phosphates used in these steps come from 2 ATP molecules, 2 ATP molecules get used up in this phase

All the DHAP molecules get converted to G-3-P in order to enter the next phase.

In the energy-recovering phase, the 3-carbon sugar (G3P) is converted into another three-carbon molecule called pyruvate, through a series of reactions. In these reactions, two ATP and 1 NADH molecules are made. This recovery phase occurs twice (one for each of the two isomeric three-carbon sugars, DHAP and G3P). Hence, a total of 4 ATP and 2 NADH molecules are produced in this phase.

Overall, Glycolysis converts one glucose (six-carbon) molecule to two pyruvate (three-carbon) molecules and a net release of 2 ATP molecules (4 overall - 2 used) and 2 NADH molecules.

3 0
3 years ago
Franklin D. Roosevelt used his presidential power to institute the Reorganization Act of 1939 in what way?
Rzqust [24]

Its the second option....................................... :)

7 0
3 years ago
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