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Minchanka [31]
3 years ago
15

Which of the following statements would change this into a true statement: "Most, but not all, living organisms are made up of o

rganic compounds"? All living organisms are made up of organic compounds. All living organisms are made up of inorganic compounds. Most, but not all, living organisms are made up of inorganic elements. Most, but not all, living organisms are made up of organic elements. Most, but not all, living organisms are made up of inorganic compounds.
Biology
2 answers:
Annette [7]3 years ago
8 0

Answer:

The correct answer is option a. All living organisms are made up of organic compounds.  

Explanation:

Organic compounds are the compounds that have a carbon covalently bound to other elements most commonly oxygen, hydrogen, and nitrogen. the major organic compounds found in almost all living organisms present are - nucleic acids, lipids, carbohydrates, and proteins.

All organisms have all of these four or any of these organic compounds in them as the basic structure and help in providing all functions and supports in the living body.

Thus, the correct answer is option A. All living organisms are made up of organic compounds.

Lubov Fominskaja [6]3 years ago
3 0

Answer:

A and B

Explanation:

In all living organisms

In organic compounds

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Hairlessness in American rat terriers is recessive to the presence of hair. Suppose that you have a rat terrier with hair. Expla
Reil [10]

Answer:

By performing a test cross i.e. a cross with a recessive trait

Explanation:

According to the question, hairlessness is a recessive trait, meaning that it will only be expressed in a homozygous condition i.e. when there are two recessive alleles in the genotype. Presence of hair is dominant, meaning that it will mask the phenotypic expression of hairlessness allele in a heterozygous state. Hence, a dominant phenotype can either be homozygous (same dominant allele) or heterozygous (combination of dominant and recessive alleles).

In order to determine which of these genotypes the dominant phenotype possess, we perform a test cross. A test cross is a cross performed to determine the genotype of the dominant organism by crossing it with a homozygous recessive genotype.

Ideally, the offsprings resulting from the cross will all be phenotypically dominant if the organism in question is homozygous dominant but if the organism is heterozygous dominant, the offsprings will occur in an equal ratio of dominant to recessive phenotypes.

So in this case, all of offsprings of this cross between the rat terriers will possess hair if the dominant rat terrier dog is homozygous, but if the dominant rat terrier dog is heterozygous, an hairless offspring will be produced.

8 0
3 years ago
Data clusters are sets of signs or symptoms that are grouped together logically. Match each sign or symptom with its appropriate
aivan3 [116]

Answer:

Explanation:

(A) PaO₂ below normal: PaO₂ is used to describe the partial pressure of oxygen dissolved in the blood. When it is below normal, it indicates the individual isn't getting enough oxygen hence there is low pressure of dissolved oxygen in the blood. This sign/symptom falls under the Respiratory/oxygenation data cluster.

(B) Dyspnea on exertion: Dyspnea is a term used to describe shortness of breath while dyspnea on exertion is when an individual runs out of breath as a result of not been able to breath deeply/properly during or after an exercise. This sign/symptom also falls under the Respiration/oxygenation data cluster.

(C) Productive cough: This is a type of cough that produces/forces mucus out of the airway (thereby clearing the airway). This sign/symptom from this description is also Respiratory/oxygenation data cluster.

(D) Oxygenation saturation 92%: Oxygen saturation is when the body can supply enough oxygen to the cells and tissues within it's system. This sign/symptom is also a Respiratory/oxygenation data cluster.

(E) Feels "too tired to do much": This can also be referred to as fatigue. This is usually as a result of inadequate energy produced (usually from glycolysis) in the body. This sign/symptom, from this description, is a Reduced energy level data cluster.

(F) Requires frequent rest periods: This usually occurs as a result of imbalance in the body's metabolism. Here, the body uses more energy than it produces; more anabolic processes (energy requiring) than catabolic processes (energy produced/released). This sign/symptom, from this description, is a Reduced energy level data cluster.

8 0
3 years ago
1. Photosynthesis takes place in structures called chloroplasts that allow a plant to make glucose and oxygen. Describe one of t
loris [4]

Answer: Chlorophyll is a substance inside the chloroplasts which is used to absorb light from the sun in order to provide the plant with energy to photosynthesise

Explanation:

5 0
3 years ago
Which metabolic pathway would be utilized for sprinting?
Eddi Din [679]

Answer:

b) electron transport chain

Explanation:

During sprinting, muscles need a constant supply of ATPs (the energy currency of cells) to support the continuous movement. The electron transport chain is present in the inner mitochondrial membrane.

Oxidation of NADH and FADH2 through electron transport chain produces proton gradient across the membrane which in turn drives the synthesis of a large number of ATPs to support sprinting.

4 0
3 years ago
List 3 examples of physical traits affected by the environment
Sladkaya [172]
Muscle, hair color, height are the 3 most common physical traits affected by the environment.
5 0
3 years ago
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