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138
Q:

13 - Chambered heart occurs in

A) Leech B) Earthworm
C) Snail D) Cockroach

Answer:   D) Cockroach



Explanation:
Subject: Biology
Related Questions
Q:

Dysfunctional behaviors are maladaptive which means that they

A) are medicated B) interfere with everyday life
C) cause of stress D) all of the above
 
Answer & Explanation Answer: B) interfere with everyday life

Explanation:

Dysfunctional behaviors are maladaptive which means that they interfere with everyday life.

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0 126
Q:

Which forms the largest portion of the coxal bone?

A) Ilium B) Ischium
C) Pubis D) None of the above
 
Answer & Explanation Answer: A) Ilium

Explanation:

Which_forms_the_largest_portion_of_the_coxal_bone1553512529.jpg image

 

The three parts of the coxal bone are

1. Ilium

2. Ischium

3. Pubis

Ilium forms the largest portion of the coxal bone or hip bone.

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0 114
Q:

Which of the following is a nucleotide found in DNA?

A) Deoxyribose + Phosphate Group + Polymerase B) Adenine + Phosphate Group + Thymine
C) Deoxyribose + Phosphate Group + Thymine D) Cytosine + Phosphate Group + Uracil
 
Answer & Explanation Answer: C) Deoxyribose + Phosphate Group + Thymine

Explanation:

We know that, the nucleotide in DNA is of the form deoxyribose + phosphate group + polymerase.

 

Which_of_the_following_is_a_nucleotide_found_in_DNA1553496102.jpg image

 

Hence, Deoxyribose + Phosphate Group + Thymine is the only option in that form of nucleotide in DNA.

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0 126
Q:

During the light reactions of photosynthesis

During_the_light_reactions_of_photosynthesis1553000283.jpg image

A) the energy from sunlight is absorbed by the pigment chlorophyll B) the water are obserbed by roots
C) the sunlight is reflected by the leaf pigments D) All the above
 
Answer & Explanation Answer: A) the energy from sunlight is absorbed by the pigment chlorophyll

Explanation:

During the light reactions of photosynthesis the energy from sunlight is absorbed by the pigment chlorophyll present in the chloroplasts of the leafs.

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2 136
Q:

The purpose of hydrogenating unsaturated fats is to

The_purpose_of_hydrogenating_unsaturated_fats_is_to1552999400.jpg image

A) to make them more solid at room temperature B) to recommend daily intake as fiber
C) to make them more liquid D) None of the above
 
Answer & Explanation Answer: A) to make them more solid at room temperature

Explanation:

The purpose of hydrogenating unsaturated fats is to make them more solid at room temperature as it is easy store the product.

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Q:

Humans cannot digest cellulose because they

Answer

Humans cannot digest cellulose because they are lacking with the enzymes responsible to breakdown the beta acetal linkages.

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1 81
Q:

Select the correct statement about immune system?

A) The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins B) The most common form of immunodeficiency is graft­versus­host (GVH) disease
C) Severe combined immunodeficiency (SCID) disease is an acquired condition D) Hodgkin's disease is a hereditary immunodeficiency found in children
 
Answer & Explanation Answer: A) The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins

Explanation:

Among the given options, the correct statement about immunodeficiency is "The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins".

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1 108
Q:

Yeast used in making bread is a

A) Fungus B) Bacteria
C) Seed D) Plant
 
Answer & Explanation Answer: A) Fungus

Explanation:

Yeast used in making bread is a Fungus.

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