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Hoochie [10]
3 years ago
9

What are substances that make the plant body erect?

Biology
1 answer:
Olenka [21]3 years ago
4 0

Answer:

The root system, which supports the plants and absorbs water and minerals, is usually underground. The organ systems of a typical plant are illustrated below. The shoot system of a plant consists of leaves, stems, flowers, and fruits. The root system anchors the plant while absorbing water and minerals from the soil.

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Similarities between plant and animal cells.​
Lostsunrise [7]

Answer:

Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.

Explanation:

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3 years ago
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How many megaspores and how many sperm cells are involved in a double fertilization event?.
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In the megasporan- gium of each ovule, the megasporocyte divides by meiosis, producing four megaspores. One survives and forms a female gametophyte. Fertilization: In nucleus of developing endosperm-- Double fertilization occurs. One sperm fertilizes the egg, forming a zygote.

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2 years ago
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3 years ago
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Which animal is an ectotherm? eagle turtle whale kangaroo
Sedbober [7]

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3 years ago
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Using the product rule of probability, calculate the odds of getting an individual that receives the bb genotype and therefore s
Pepsi [2]

Answer:

B) 1/2 X 1/2 = 1/4

Explanation:

It happens when both the parents are heterozygous for the trait. The cross related to this result is shown as under:

                          Father           Mother

                             Bb       x        Bb

                             /   \                 /   \

Gametes:           B      b            B      b

                          |        |              |       |

Probability:      1/2     1/2          1/2    1/2

The probability of formation of 'b' gamete from father is 1/2 because there are only two gametes 'B' and 'b' and out of these two one will be assorted as 'B' and another one as 'b' and from mother also the probability of formation of 'b' gamete is 1/2.

Now the assortment of gametes with each other is an independent event i.e. any gamete from father can fuse with any gamete of mother so the overall probability of formation of 'bb' genotype will be 1/2 x 1/2 = 1/4.

3 0
2 years ago
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