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3 years ago

Select the correct answer.

Biology

2 answers:

fomenos3 years ago

8 0

Answer: A.

Explanation: It just is trust me i took the test :)

hichkok12 [17]3 years ago

6 0

Answer:

Explanation:

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Replication origins have ________ DNA sequences that attract _______ proteins. A. A-T rich; histone B. G-C rich; Helicase C. A-T

goldfiish [28.3K]

Answer:

C. A-T rich; initiator

Explanation:

Replication origins have A-T rich DNA sequences that attract initiator proteins.

Replication origin is the DNA sequence where replication is initiated in a genome. The replication origin sequences is rich in adenine (A) and thymine (T) bases because it is easier to break the bonds between the bases compared to the bonds between guanine and cytosine. adenine (A) and thymine (T) bases have two bonds joining them as against three bonds between guanine and cytosine

The initiator proteins recognizes DNA sequences in the replication origin and helps to initiate DNA replication.

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3 years ago

Glucose is broken down in the chemical processes of aerobic respiration.

Papessa [141]

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Aerobic respiration :- Aerobic respiration is process of respiration in which complete oxidation of glucose takes place in the presence of oxygen

That is, 

Aerobic respiration is takes place in four stages :-

Glycolysis
The link reaction
The Krebs cycle
Oxidative phosphorylation

In aerobic respiration, Glucose with 6 carbon atoms broken into 2 pyruvic acid each with 3 carbon atom and produces water + CO2 + energy.

<h3>Whereas, </h3>

Anaerobic respiration :- is the process of respiration in which incomplete oxidation of glucose takes place in the absence of oxygen

The end products of glucose in anaerobic respiration is

In human muscles,  Lactic acid + Energy
In yeast, Ethanol + CO2 + Energy

Hence, Option D is the correct answer.

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2 years ago

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DanielleElmas [232]

Answer:

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3 years ago

Economic and social changes during the Gilded Age caused

allsm [11]

Answer:

I think it is D

Explanation:

correct me if I’m wrong

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3 years ago

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What is the difference between HLA and MHC?

mr_godi [17]

The major histocompatibility complex (MHC) is a set of cell surface proteins essential for the acquired immune system to recognize foreign molecules in vertebrates, which in turn determines histocompatibility. ... The human MHC is also called the HLA (human leukocyte antigen) complex (often just the HLA).

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3 years ago