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Murrr4er [49]
4 years ago
6

Question 15 of 25

Biology
1 answer:
Lady_Fox [76]4 years ago
7 0

Answer:

D. The organelles are enclosed in membranes

Explanation:

One defining characteristic of eukaryotes is that they have membrane-bound organelles. If a cell lacks a water-storing vacuole, that could mean it is a prokaryote too. If a cell lacks a Golgi apparatus, it can never be a eukaryote. RIbosomes are characteristics of both prokaryotes and eukaryotes. D. is the best evidence that the cell is a eukaryote.

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B
4vir4ik [10]

Answer:

There is a <u>75%</u> probability that an offspring will have the dominant trait and a 25% probability that an offspring will have a recessive trait.

Explanation:

<em>May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I only need 6 more brainliest to become a genius! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!</em>

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7 0
1 year ago
Nick is researching why baking powder is a common baking ingredient. He learns that baking powder contains tartaric acid and sod
natima [27]

Answer:

A. Carbon dioxide gas forms because an acid and a carbonate react.

8 0
3 years ago
A volcano releases a towering plume of toxic ash and gases into the atmosphere. Which of these would best allow scientists to wa
Artemon [7]

Answer:

I am going to say answer D but plz forgive me if i am wrong

Explanation:

5 0
3 years ago
One strand of a DNA molecule has the following sequence: 3-AGTACAAACTATCCACCGTC-5. In order for transcription to occur in that s
guajiro [1.7K]

Answer: Promoter

Explanation:

Transcription is the first step in gene expression which consists of copying the DNA sequence of a gene to produce a RNA molecule. There are enzymes called <u>RNA polymerases which perform this process of transcription</u>. These enzymes bind nucleotides (the monomers which are part of the nucleic acids) to create a RNA strand using a DNA strand as a mold.

A promoter is a region of DNA that controls the initiation of transcription of a given portion of DNA to RNA. Therefore they promote the transcription of a gene. <u>The promoter region is composed of a specific sequence of DNA located just where the starting point of the DNA transcription is</u> and contains the information needed to activate or deactivate the gene it regulates. <u>The promoter has a binding site for the RNA polymerase enzyme </u>in charge of mRNA synthesis and when it recognizes this site, transcription begins.

6 0
4 years ago
The ________ does most of the focusing of the light onto the retina, and the ________ allows for more accuracy of focusing.
sukhopar [10]

The answer is cornea…..lens. Most bending of light entering the eye is bent by the cornea. The lens of the other hand adjusts this bending further, to focus it squarely on the retina. This is why the focal point of the lens can be adjusted by changing its shape.






6 0
3 years ago
Read 2 more answers
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