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Varvara68 [4.7K]
3 years ago
10

Which organ is responsible for most of the absorption of nutrients into the body?

Biology
1 answer:
Xelga [282]3 years ago
7 0
Either the duodenum or the jejunum
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How do some plants survive the intense desert heat and drought?
viva [34]

The correct answer is:

Plants close their stomata during times of intense heat or drought in order to prevent water loss and maintain homeostasis.

Explanation:

Guard cells tend to open stomata within the day when there are lots of day and close stomata at night when the sun is not present and photosynthesis is not happening. They will also close stomata if the air is dry or hot, which minimizes water waste indoors evaporation.

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1. <span>Chlorophyll converts sunlight to chemical energy during photosynthesis.
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Some types of gene are more highly conserved than others since their pathways or phenomena are fundamental to the growth and pro
Dmitriy789 [7]

Answer: Sugar metabolism , DNA replication  and lipid synthesis.

Explanation:

The pathways or the phenomenon is very fundamental that takes place in all the living organisms.

These processes are fundamental to life and is vital for the growth and development of the organism. The cell proliferation and growth is also very essential in case of bacteria.

hence, these processes are highly conserved from one species to another species.

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3 years ago
A gardener is experimenting with one of her African violet plants. This plant produces large, deeply colored flowers. She shows
Lady bird [3.3K]

Answer:

The offspring with large, deeply colored flowers is produced from vegetative reproduction which the offspring with small, lightly colored flowers is produced from sexual reproduction.

Explanation:

Reproduction of a plant is the propagation of that plant and it occurs via the sexual or asexual means. The asexual means also called vegetative reproduction involves only one parents and the resulting offspring grows from a part of this parent. Sexual reproduction involves the union of sex cells from two parents (male and female).

In asexual or vegetative reproduction, the offsprings are genetically identical to the parent they emanate from while in sexual reproduction, the offsprings can be genetically different due to the process of recombination that occurs in gametes during their formation (meiosis). This allows for genetic variation among the offsprings.

Therefore, the offspring that resembles the parent i.e. large and deeply colored was likely produced by the vegetative or asexual means of reproduction while the offspring that exhibited a different characteristics from the parent was produced from sexual reproduction.

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3 years ago
In each of the scenarios, an individual heterozygous for the indicated gene or genes is crossed with an identical heterozygous i
seraphim [82]

Answer:

Explanation:

Scenario 2: R is codominant with r.

Scenario 3: R and S are completely dominant to rand s, respectively; R and S are linked by 15 m.u. and do not interact with each other.

Scenario 4: Genes R and S perform the same function; R and S are completely dominant to r and s, respectively; and R and S are unlinked.

Scenario 5: R and S are completely dominant to r and s, respectively; R and S are linked by 10 m.u. and show dominant epistasis.

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