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ivolga24 [154]
3 years ago
13

Name any two plants that produces egg and sperm?

Biology
1 answer:
Ivahew [28]3 years ago
8 0

Answer:

Ferns and gametophyte

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What would be the expected effect on plants if the atmospheric CO2 concentration was doubled? What would be the expected effect
Elis [28]

Answer:

C3 plants would have faster growth rates; C4 plants would be minimally affected.

Explanation:

C3 and C4 pathways are the variations of dark reactions of photosynthesis present in green plants. The photosynthetic efficiency of C3 plants is reduced due to the affinity of RuBisCo enzyme for oxygen which in turn leads to the futile pathway of photorespiration. RuBisCo enzyme catalyzes the rate-limiting reaction of the C3 pathway. On the other hand, the C4 plants concentrate CO2 around RuBisCo in their bundle sheath cells of leaves to minimize photorespiration and exhibit higher rates of photosynthesis.

Increased levels of atmospheric CO2 would reduce the photorespiration in C3 plants and would allow them to fix CO2 efficiently due to the increased concentration of CO2 around the enzyme RuBisCo. The increased photosynthetic efficiency would help these plants to exhibit faster growth rates.

However, the photosynthetic rate of C4 plants is not limited by CO2 concentration as they themselves reduce photorespiration by spatial separation of primary carboxylation in mesophyll cell and CO2 fixation in bundle sheath cells. Hence, increased CO2 levels in the atmosphere would not have any impact on their photosynthetic rate and growth.  

4 0
3 years ago
During the initial prenatal visit of a woman at 23 weeks' gestation, the nurse discovers that she has a history of pica. what is
andrezito [222]
Usually patient's with pica are missing a nutrient in their diet..blood testing is the usual method to discover what nutrients are missing.could also b due to a mental illness..
3 0
4 years ago
Which of the following best describes what causes plasma cells to form during a humoral immune response?
Serjik [45]

Answer:

Explanation:

3 0
3 years ago
Given what we know about Mendelian genetics, what is the genotype of pea plants with white flowers? White is a recessive trait w
AlexFokin [52]

Answer:

the genotype would be pp

Explanation:

If purple is a dominant trait and white is recessive, then the only way for the phenotype to be white is for the genotype to be "pp."

"PP" and "Pp" will exhibit purple flowers.

8 0
4 years ago
Some materials can easily move across the membrane without requiring energy; such movement is called ____________________ transp
Len [333]

Answer:

It's called passive transport (example diffusion)

4 0
3 years ago
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