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bekas [8.4K]
1 year ago
9

I need help question

Biology
1 answer:
STatiana [176]1 year ago
8 0

Question:

Solution:

Remember that the alleles are the alternative variants of a gene, that is different sequences of a gene. An individual inherits two alleles for each gene, one from the father and one from the mother.

Then, we can conclude that the correct answer is:

An alternate version of a gene.

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Please help
KATRIN_1 [288]

Answer:

Step 1: Pollination

In general, male gametes are contained in pollen, which is carried by wind, water, or wildlife (both insects and animals) to reach female gametes. The pollen is deposited on a plant's stigma, which is part of the pistil (the elongated part of a flower extending from the ovary). This process is called pollination.

Step 2: Germination

Within a few minutes, pollen tubes begin growing, or germinating, toward the egg cell. These tubes will provide a path for the sperm carried in the pollen to reach the egg.

Step 3: Penetration of the Ovule

The pollen tubes penetrate the ovule, which contains the female gametes.

Step 4: Fertilization

Sperm travel down the pollen tubes and fertilize an egg. Most angiosperms undergo double fertilization, where both an egg and the polar nuclei in the embryonic sac are fertilized.

Explanation:

^^^^^^^^

8 0
2 years ago
How can carbohydrates, lipids, and proteins be detected in foods?
tino4ka555 [31]
The Benedict’s Test is the test which can detect carbohydrates and glucose in foods. During this process, the sample or the food is placed into a test tube and then some drops of Benedict's solution is added to it,and is then put into a beaker of boiling water. When the mixture of food and the Benedict substance turns reddish orange instead of staying blue, this means that it is positive. The mixture has simple sugar or has carbohydrates or glucose. On the other hand, lipids are tested using the brown paper test. When the paper turns transparent when a drop of food is put into it, it means that is is positive as well. When you want to test if the food has proteins, you have to test it with Biurets. Observe if the color change when you put some Biurets solution to the food sample. It is positive if the food turns light purple. Test if the food is positive with starches through the use of iodine. Food having iodine drops should turn purple instead of staying a yellow color.
6 0
2 years ago
By age 65, what percentage of adults are grandparents? 75 80 85 90
frutty [35]
85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85. 

Let me know if you need further info. :)

                - Dotz
7 0
3 years ago
Observations, evidence and data that people gather and test support and evaluate scientific explanations is called _____ *
uranmaximum [27]

Answer:

the answer is theory

Explanation:

hope you have what you are looking for! Thx!

7 0
3 years ago
Anyone please banned my account​
zmey [24]

Answer:

you go to settings and tap on log out option to exit this account

7 0
3 years ago
Read 2 more answers
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