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Molodets [167]
2 years ago
15

A biology teacher asks his class to make models of a plant cell, an animal cell, and a bacterial cell. Aside from cytoplasm and

the cell membrane which other cell structure will the students need to make all three models?
A. Ribosome
B. Nucleus
C. Golgi Apparatus
D. Chloroplast
E. Cell wall​
Biology
1 answer:
frez [133]2 years ago
7 0
The answer would be B
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What is the amino acid sequence for the mRNA strand CACCCAUGGUGA?
krek1111 [17]

Answer:

Histidine- Proline- Tryptophan- Stop codon

Explanation:

The mRNA strand in the question is produced as a result of a process called TRANSCRIPTION. However, the mRNA transcript is further used to synthesize an amino acid sequence in a process called TRANSLATION. The mRNA sequence is read in a group of three nucleotide bases called CODON.

Each codon specifies an amino acid which is represented in the GENETIC CODE. In this case, a sequence of mRNA strand is given as: CACCCAUGGUGA

The following codons in the sequence specify the following amino acid:

CAC - Histidine

CCA - Proline

UGG - Tryptophan

UGA - Stop codon

Hence, the amino acid sequence encoded by the given mRNA strand is Histidine- Proline- Tryptophan- Stop codon.

N.B: After a stop codon (UGA, UAA, UAG) is encountered, the translation process stops.

8 0
3 years ago
Select all that apply. Which descriptions, plants, and animals are characteristic of the rainforest biome? very high humidity vi
Lyrx [107]
The answers are:

- very high humidity
- vines
- palms
- highest species diversity 
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Rainforests have very high humidity because it rains throughout the whole year and is constant summer, so the precipitation and high temperature contribute to very high humidity.
The rainforests have the highest species diversity of any biome, both animals, and plants, including plants like the vines that crawl on the other trees and the palms, as well as animals like the gorilla in Africa, in the Congo basin.
8 0
3 years ago
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Viktor [21]
The answer to the blank is central vacuole.
4 0
3 years ago
47. Find the mismatched pair: A)Facilitated diffusion Extrusion of ions or small molecule with expense of Ar B) Uniport-A single
andrew-mc [135]

Answer:

Option (A).

Explanation:

Facilitated diffusion may be defined as the process of  movement of the particles from the region of higher concentration towards the region of lower concentration with the help of specific integral transmembrane protein.

Facilitated diffusion is a type of passive diffusion and solute particle down the concentration gradient. So this process doesn't require an ATP or any other energy source.

Thus, the mismatched pair is option (A).

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5 0
3 years ago
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