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erik [133]
3 years ago
12

_____ from the male plant must land on the _______ of the female plant in a process called _______. *

Biology
2 answers:
Veseljchak [2.6K]3 years ago
6 0

Answer:

A. Pollen, stigma, pollination

Explanation:

forsale [732]3 years ago
5 0

Answer:

The answer is A and Reminder to be happy, go drink some water, eat some food and relax! You are loved :) <3.

Explanation:

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Changes in the gene pool can occur due to various mechanisms. From 1892 to 1954, millions of individuals emigrated (moved out) f
NNADVOKAT [17]
The mechanism that affected the gene pool of the immigrants that entered the United states Through Ellis Island is Gene flow.

Gene flow involves the movement of genes or alleles between interbreeding populations of a particular species. In other words it is the movement of genes from one population to another population. Actually it may be an important aspect of evolution; evolution can occur as a result of genes being transferred from one population to another. Gene flow occurs when there is migration, since the loss or addition of people can easily change pool frequencies even without no other evolutionary mechanisms operating.  
4 0
3 years ago
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Which of the following is not true about cells? 1)All living thing begins life as a single cell. 2)The cell is the basic unit of
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The one that is true about cells is Number two. The cell is the basic unit of a structure and function of life. The cells are what makes us living things. All living things are made up of cells.
5 0
3 years ago
What is stomata ?<br> pls fast
zysi [14]

Answer:

a pore, found in the epidermis of leaves, stems, and other organs, that facilitates gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.

Explanation:

8 0
3 years ago
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Complete each statement.
beks73 [17]

7. Adenine (A), Guanine, Cytosine and Thymine are the four nitrogenous bases in DNA.

8. In DNA Cytosine always forms hydrogen bonds with guanine.

9. The sequence of nucleotides carries the genetic information of an organism.

10. The process of replication produces a new copy of an organism's genetic information which is passed on to a new cell.

11. The double-coiled shape of DNA is called a double helix

Explanation:

There are four nitrogenous bases in the DNA of an organism. Two of the bases are pyrimidines eg: Thymine and cytosine while 2 of the bases are purine  bases namely adenine and guanine. The purine of one strand forms a hydrogen bond with pyrimidine of the parallel strand of DNA.

The bases are present in nucleoplasm as dNMPs and in DNA they are present as dNTPs (deoxyribonucleotide triphosphate). During replication, these dNMPS keeps on bonding with other dNMPs in the presence of ATP and as DNA Polymerase, ligase topoisomerase etc. These nucleotides form the DNA strands and they are responsible for coding proteins. The sequence of DNA is also termed as gene.

The double helix structure of DNA was given by Watson and Crick. Each strand has an alternative backbone of sugar and phosphate group. The four bases bonds with glycosidic and phosphodiester bonds with sugar and phosphoric acid.

8 0
3 years ago
The Mohs scale is one way to identify minerals. Infer why this scale cannot be used to identify rocks.
astra-53 [7]
Mohs scale is used to identify hardness if he minerals. There is no scale to identify rocks Bc rocks are rocks
5 0
3 years ago
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