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Ronch [10]
3 years ago
9

What is required for sexual reproduction?

Biology
2 answers:
kramer3 years ago
8 0
Opposing genders as well as sex cells provided by each and an environement in which the offspring can be produced
Mila [183]3 years ago
4 0
A male and female, sperm and egg.
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Which of the following is not a stage in the life of a sunflower?​
vfiekz [6]

The answer is beginning

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4 0
3 years ago
The parietal bone has articulations with all of the following bones EXCEPT the __________. a. temporal bone b. frontal bone c. z
sp2606 [1]

Answer:

The parietal bone has not articulated with zygomatic bone.

Explanation:

Parietal bones are paired structure that form the roof and side of the cranium.

The parietal bones are articulated with each other and form suture.

It articulates occipital bone posteriorly,and anteriorly with the frontal bone which form a suture called as coronal suture.

Inferiorly the parietal bone is articulated with sphenoid and temporal bone.

Zygomatic bone is irregular shaped and paired structure that articulates with maxilla.temporal bone, sphenoid bone,frontal bone.

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2 years ago
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Part A: A scientist examines a fruit fly gene involved with the regulation of body development. A section of the DNA sequence fo
Leokris [45]

Answer:

Part A: Thr-Leu-Val

Part B: ACC-UUG-GUU

Explanation:

When you transcribe a DNA sequence to mRNA, you need to remember that in RNA there is no Thymine (T), instead it has Uracil (U). So the base pairings would be like this compared to DNA base pairing:

DNA                RNA

A-T                  A-U

T-A                  T-A

C-G                 G-C

G-C                 C-G

Given the sequence the transcription will be as follows:

DNA :   TGG - AAC - CAA  

mRNA: ACC - UUG - GUU

Next, to translate it into amino acids, you will use the chart. Now amino acids pair in codons (3 base pairs at a time).  Let's take the first codon in your sequence:

ACC

1st  2nd   3rd

 A     C       C

Using the column on the left, find the row that matches it, so in this case A.

At the very top, there is another row of letters, looking at the row of A only, look for the column of the second base which is C.

Lastly, look at the right most column and find the letter that matches the third base within the box where A and C intersect. In this case, C is your third base.

The amino acid where all three intersect is your first amino acid which is Thr.

Just do this for the next codons and you will come up with the answer.

4 0
3 years ago
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What chromosomal disorder is illustrated in Figure 14–9?
kodGreya [7K]
Answer is: <span>nondisjunction.
</span>Nondisjunction<span> is the failure of </span>homologous chromosomes<span> to separate correctly during </span>cell division, because of tha daughter cells have abnormal chromosome numbers. This example is <span>failure of a pair of </span>homologous chromosomes<span> to separate in </span><span>meiosis I.</span>
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