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Tema [17]
3 years ago
6

The diagram shows structures found in a seed plant.

Biology
1 answer:
dsp733 years ago
4 0

Answer:

Provides food for embryo

Explanation:

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4. We use the electromagnetic spectrum to study space by viewing planetary
SOVA2 [1]

Answer:

To me we wouldn't know as much as we do. There is so much they don't want us to know about space. Just watch the moon at night and you can get a better answer.

7 0
2 years ago
The forward and reverse PCR primers used for the amplification of a VNTR locus on chromosome number 4 are 20 bases and 21 bases
zimovet [89]

The repeats which occur together on a chromosome are referred to as VNTR. The length of each repeat is 60bp.

The first primer is 20bp and is 53 bp away from 1st repeat. Therefore, the total length of sequence amplified by the first primer till 1st repeat = 20+53 = 73bp. Beyond this point 6 repeats on 60 bp are present, hence, the length becomes = 73 + (60X6) = 433bp.

Now the reverse primer which is 21bp in length is located 28bp from the repeat on its side. Reverse primer comes from the opposite direction, so it must be present after the 6 repeats.

The total length of the amplified region = 433 + 28 + 21 = 482 bp.

5 0
3 years ago
Chapter 14 Case Study: Genetic dwarfism Seven months pregnant, an expectant mother was under-going a routine ultrasound. While p
zmey [24]

1.) Achodroplasia is a autosomal dominant disorder, the suspected case suggested that inorder for the parents to produce and offspring with achondroplasia. One parents must have a single mutant gene of achodroplasia to be inherited by his offspring. for this case, It is suggested that the offspring might have developed its own mutant gene as it only affect 1 in 25,000 birth. There is changes of genes during early development.

2.) The mother said that they don't have that history of disorder. again, it's autosomal dominant disorder. one parents must have that kind of disorder so their child can also inherit it. Thus, no of the childs parents is a carrier.

3 0
2 years ago
Which mineral will scratch a knife but not a nail?​
ivanzaharov [21]

Answer:

Fluorite

Explanation:

_____________

4 0
3 years ago
When an invertebrate reaches the _____ stage, it most likely stops growing and can begin reproduction. beginning growth adult de
creativ13 [48]
Reaches the adult stage is the correct answer. When an intervebrate reaches the adult stage it has most likely stopped growing and can finally begin reproduction, passing further down the line his genes and the genes of his ancestors. 
8 0
3 years ago
Read 2 more answers
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