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Alexandra [31]
3 years ago
14

Does human breathe in nitrogen

Biology
1 answer:
Monica [59]3 years ago
8 0
Yes, it is one of the essential elements to life
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When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

The homozygousity for a normal mutation in gene C will lead to inactive or lack stamens and carpels, which are male and female reproductive organs. These are an important structure for forming gametes.

Thus, the correct answer would be option D) no gametes.

3 0
3 years ago
What was their motivation for exploration?
Pie

Answer:

There are three main reasons for European Exploration. Them being for the sake of their economy, religion and glory. They wanted to improve their economy for instance by acquiring more spices, gold, and better and faster trading routes. Also, they really believed in the need to spread their religion, Christianity.

Explanation:

3 0
3 years ago
During thermohaline circulation, what two things are transported around the globe? Choose two.
9966 [12]

Answer:energy in the form of heat and matter (nutrients, solids, dissolved substances, and gases)

Explanation:

6 0
3 years ago
What is the difference between complete and incomplete metamorphosis??
Scilla [17]

Both complete and incomplete metamorphosis extend from the egg stage to the adult stage. Complete metamorphosis consists of four stages: egg, larva, pupa, and adult. However, the incomplete metamorphosis consists of three stages: egg, nymph, and adult.


Hope This Helps.  

7 0
3 years ago
50 points
aliina [53]

Answer:

b

Explanation:

its in a quizlet created in 2017

7 0
2 years ago
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