Need help with this asap please

Biology

1 answer:

AlekseyPX3 years ago

4 0

Answer:

The step in gene expression in the drawing model is identified as the step of transcription, in which part of DNA nucleotide is copied into a complementary sequence in RNA.

Explanation:

Transcription is a process that consists of the synthesis of a single strand of mRNA, from one of the DNA strands, which will be used as a template strand.

The enzyme responsible for the transcription process is RNA polymerase which, based on the nucleotide sequence of the DNA strand, will add complementary nucleotides to the mRNA strand following the rule of base complementarity:

<u>If DNA has: Complement in mRNA it is:</u>

Adenine Uracil (no thymine in RNA)

Thymine Adenine

Cytosine Guanina

Guanine Cytosine

In summary, a <u>part of the DNA is responsible for the synthesis of an RNA strand where its nucleotides will be complementary</u>, which is illustrated in the drawing model.

<em> The other options are not correct because replication, reproduction or translation do not correspond to the processes illustrated in the picture.</em>

You might be interested in

Please help me.

Alisiya [41]

Last one since it needs water sunlight and co2, glucose is the food for the plant oxygen is they excess

4 0

3 years ago

Read 2 more answers

Biology enzymes! Help me somebody please. Am I correct?

xz_007 [3.2K]

<h2>Explanation:</h2>

I am almost positive you messed up a squeeze, so see how it is in the 4? Well that may mean it's 4, then the 5 is measured by the smaller line going before the 6.

6 0

3 years ago

Shana is a competitive athlete who weighs 135 lb. she would like to plan a nutritionally adequate diet that provides enough carb

sashaice [31]

Carbohydrates are your body’s main source of energy. The amount of carbs a man should consume daily depends on his age and activity level. The Institute of Medicine suggests adults to eat at least 130 grams of carbs a day. But If you’re a competitive athlete like Shana, you need additional amount.

<span>A study made by The Academy of Nutrition and Dietetics recommends a 2.3 to 4.5 grams of carbohydrates per pound of body weight each day, to athletes depending on the intensity of training. Therefore, Shana who weighs 135 lbs, needs approximately 310.5 grams carbohydrates daily for her physical workouts. </span>

5 0

3 years ago

In the ocean, communities of plants, algae, and animals are distributed according to the depth of the water and distance from sh

nordsb [41]

Light reaches organisms in the photic zone, where microscopic Phytoplankton and multicellular algae provide food for the animal community. Light levels in aphotic zone are too low to support photosynthesis. The seafloor is called the Benthic realm. Fishes and marine mammals swim in open water known as the Pelagic realm. A distinctive Biome called an Estuary is found where a freshwater stream or river merges with the ocean.

Photic zone is the surface layer of the ocean that receives sunlight, which means it permits photosynthesis by plants and phytoplankton. In aphotic zone , there is no light, therefore the phytoplankton and algae can not grow and undertake photosynthesis, the carbon dioxide is accumulated, there is less Oxygen and the pH is lower than in the photic zone.

7 0

3 years ago

A(n) __________ is the preserved or mineralized remains (teeth, bones, etc.) or imprint of an organism that lived long ago.

lutik1710 [3]

The correct answer for the question is B. Fossil.
Fossils are remnants, traces of animals or plants, from the past ages that have been preserved. Fossils may be classified as cast and mold fossil, insect preserved in amber, petrified wood, compression fossil of a fern and pyritized ammonite.

6 0

3 years ago

Read 2 more answers