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Leya [2.2K]
3 years ago
10

* Apply Concepts A particular plants diploid number of chromosomes is 50. Describe the number of chromosomes in one of the plant

's cells during its sporophyte phase and during its gametophyte phase,​
Biology
1 answer:
Gnoma [55]3 years ago
3 0

Chromosomes have hereditary function that are capable of self-duplication and they have thread-like structures seen inside the nucleus of plant and animal. In plants, they go through a cycle called alteration of generation that has multicellular stages. One is sporophyte that is a diploid, and the other is gametophyte with a haploid.

Moreover, spores are produce through meiosis so it go through a process of chromosome reduction in order to create a haploid spores. While, gametes undergo mitosis and the structure is already a haploid, which means that the number of chromosomes will not change in order to produce haploid. In this case, the plant have both spores and gametes and the similarities is that, they are both singles celled and a haploid. Therefore, the number of the chromosome in the gametophyte generation is also 32.

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40 pts plz help
raketka [301]

Answer:

Humans cannot occupy the lowest levels.

Explanation:

3 0
3 years ago
Two types of stressors that learners are likely to experience in a post school destination as a college or university or the wor
makvit [3.9K]

Answer:

financial stress and family stress

Explanation:

When learners go to college or a university, their family expects a lot from them especially when the parents are the ones who brought the learner to study. This causes stress on the learners. Choosing the major can also be stressful, especially when the family intercedes in the learner's decision. This also creates a financial burden on the learner, especially when the learner supports himself. So,<em> he has to balance studying while working.</em> If he has a scholarship, he has to maintain his grades in order to keep up.

In the same way, <u>a person who goes to the workplace is also expected by his family to provide them financially.</u> This creates a financial stress on his end. Besides this, he is also expected to make commitments especially when he has children. He needs to balance working while taking care of his kids and attending to their needs at home and in school. This is how family stress can affect him.

4 0
3 years ago
Place the terms below in the correct order of when they occur. We will start after the egg and sperm union.
Nadusha1986 [10]

Answer:

The correct answer will be- zygote →cleavage→ morula→ blastula→ gastrula.

Explanation:

Human embryogenesis is the study of the formation of an embryo from the zygote formed after the fertilization of the sperm and egg cell.

The fertilization takes place in the ovarian duct in females which form a diploid zygote. The zygote starts the process of cleavage that is cell division and differentiation and leads to the formation of a 2 celled stage, 4 celled stages and later 16 celled stage. The 16 celled stage  is known as morula which further undergoes cleavage and form blastula. The blastula now forms a gastrula with 3 layered distinction- the ectoderm, endoderm and mesoderm through gastrulation.

Thus, zygote →cleavage→ morula→ blastula→ gastrula is the correct answer.

5 0
3 years ago
Where do mid-ocean ridge volcanoes occur?
Grace [21]

Answer:

I think its convergent boundaries.

6 0
3 years ago
Read 2 more answers
Classify the given terms or examples with the appropriate category
Alja [10]

Answer:

The cells of the ear detect these the position of the head: proprioceptors are guided in the hydrostative pressure and the movement of the intracochlear fluid with the movement. That is why it complies with the following statements: Sensitivity remains constant, Responds to change (we say that it responds to change because when changing position the intracochlear fluid is where the movement of the head is perceived).

The proprioceptors of the epithelial cells (MERKEL CELLS. THEY ARE THE ONLY SENSORY CELLS TOGETHER WITH THOSE OF LANGERHANS), are proprioceptors that capture different textile textures that contact the skin. But throughout our lives this sensitivity decreases, that is why it complies with the following statements: Responds continuously, Sensitivity decreases over time, nociceptors continuously detect pain (to be able to perceive if the innate protective barrier that is epithelial continuity is damaged, since in the face of damage or discontinuity due to a cut or injury we are unprotected by the innate epithelial defense barrier).

Explanation:

I hope the answer has served you, the body's proprioceptors are everywhere and are receptors specialized in capturing very fine stimuli, that is why they are considered proprioceptors with a very low uptake threshold.

The textural propipceptors that are epithelial, or pain, are different from those found in the ear.

3 0
3 years ago
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