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vesna_86 [32]
3 years ago
13

If a smoker has a low tidal volume why might he feel tired and run down

Biology
2 answers:
IceJOKER [234]3 years ago
6 0
The flow of oxygen in the smokers body is low as his lungs do not have enough magnitude.
OLEGan [10]3 years ago
4 0

oxygen flow is low and his lungs do not have a lot of capacity

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Help me please!
Alchen [17]

Answer:

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

Explanation:

When we look at the picture we can see that the line that goes from G to C, goes from a factory to the atmosphere. As we know factories release a great number of elements into the atmosphere being one of them, carbon dioxide. Therefore taking into consideration we can proceed to analyze the following statements.

A. Removing this step prevents photosynthesis in the next step: This is not true industry increases carbon dioxide in the atmosphere, even if they don't exist there is enough CO2 for plants to perform photosynthesis.

B.Removing this step increases the amount of carbon in the soil: This is not true as factories release carbon dioxide to the atmosphere, not the soil.

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

D. Removing this step increases carbon storage in plants: This is incorrect the carbon storage in plants is cording to their necessities independently of the abundance in CO2, in the atmosphere.

8 0
2 years ago
Explain how a recessive trait is passed onto offspring.
juin [17]
It can be passed down heck anything can be passed down it all has to do with your parent's genes
 
7 0
3 years ago
Suppose a plant breeder wants to isolate mutants in tomatoes that are defective in DNA repair. However, this breeder does not ha
Nana76 [90]

The provided question has marked options incorrectely the correct order as follows:

A) Expose putative DNA repair mutant plants to ionizing radiation L and see if they survive less well than wild-type plants.

B) Measure the amount of post-translational processing that occurs in the putative DNA repair mutant plants.

C) Measure the somatic mutation rates for the putative DNA repair mutant plants.

D) Expose the putative DNA repair mutant plants to a deaminating agent and select those that have a decreased mutation rate.

E) Measure the germline spontaneous and induced mutation rates for the putative DNA repair mutant plants.

Answer:

The correct answer is: A), C) and E)

Explanation:

The breeder wants to isolate the mutants in tomatoes that are defective in DNA repair, to identify such plants breeder should follow these methods as they will allow best to identifying the defective tomatoes-

Measure the somatic mutation rates for the putative DNA repair mutant plants.

Measure the germline spontaneous and induced mutation rates for the putative DNA repair mutant plants.

Expose putative DNA repair mutant plants to ionizing radiation L and see if they survive less well than wild-type plants.  This will allow the breeder to see and analyze the ability of DNA repair in tomatoes

7 0
3 years ago
Identify the molecule that allows "complex chemical reactions to occur"?
horrorfan [7]
Crossing over at prophase I results in the linked genes (those on the same chromosome) becoming unlinked and separated. Prophase I is this first stage of meiosis, the chromosomes condense, form tetrads, and exchange DNA. The nucleolus and nuclear envelope disappear.
4 0
3 years ago
The diagram shown represents a pair of homologous autosomes. The letters B and b represents genes for a certain trait. These let
Vesna [10]

Answer:

A

Explanation:

The two genes are B and b are located in the same spot, therefore they are alleles or alternative forms of the same gene.

8 0
2 years ago
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