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Sonbull [250]
3 years ago
6

What 4 things are needed for the light dependent reaction of Photosynthesis to occur?

Biology
1 answer:
Lynna [10]3 years ago
4 0

Answer:

Light absorption in PSII. When light is absorbed by one of the many pigments in photosystem II, energy is passed inward from pigment to pigment until it reaches the reaction center. ...

Explanation:

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Which is the result of telophase 1 and cytokinesis
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Answer:

The result of Telophase 1 and Cytokinesis is two haploid daughter cells that are genetically different from the original cell.

Explanation:

Telophase I. At each pole, during this stage, there is a complete haploid set of chromosomes (but each chromosome still has two sister chromatids). A cleavage furrow appears, and by the end of this stage the parent cell has divided into two daughter cells. This separation of the cytoplasm is called cytokinesis.

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4 years ago
Write short notes on Fertilization.​
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Answer:

Fertilization is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote.

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3 years ago
Explain why it makes sense that the levels of estrogen and progesterone are low in blood of a female during menstruation
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Answer:

At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.

5 0
2 years ago
3. During which process do alleles undergo segregation? (1 point)DNA replication. mitosis. meiosis. transcription. .
valentina_108 [34]
3. The answer to your question is B. Meiosis. Alleles undergo segregation during meiosis. The alleles will split into 2 daughter cells; one chromosome for each cell. 4. The answer is homologous chromosomes. Gametes have homologous chromosomes. A gamete is a mature haploid cell. It can either be a male or female gamete. Each haploid cell will unite with another haploid cell of the opposite gender for reproduction. 5. The answer is B. IBi or IBIB. This demonstrates the genotype that corresponds to human blood type. <span>
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3 0
3 years ago
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An old alternative hypothesis for the evolution of infanticide was that parents killed offspring (including their own) when food
Alika [10]

Answer:

On the basis of gender preference.

Explanation:

In the modern view of adaptation, the main cause of infanticide is not the food  but the gender preference. In many societies, people killed their infant when they knew that the infant is a girl. They thought that having a girl is curse or shameful thing so they kill the infant. These type of people wants male baby or prefer male child so that's why they kill the infants. In the ancient times, infants were killed that were abnormal or having any defects but today it happen due to gender preference.

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3 years ago
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