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4 years ago

Where do you find rRNA?

Biology

1 answer:

Ivahew [28]4 years ago

6 0

Answer:

rRNA is located in the cytoplasm of a cell, where ribosomes are found. rRNA directs the translation of mRNA into proteins.

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CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU

myrzilka [38]

Answer:

C Department of the Interior

Please Rate and mark me as brainliest

7 0

3 years ago

A. Look at the arrows pointing toward atmospheric CO2. What are the two major sources of

GrogVix [38]

The arrows represent how much carbon moves from one reservoir to another each year, in gigatonnes per year. A) Look at the arrows pointing toward atmospheric CO2. What are the two major sources of atmospheric carbon? Ans: Natural & human activities.

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3 years ago

List 5 different kinds of proteins that might be made by the ribosomes.

Dvinal [7]

Answer:

they are structural , transport, antibodies,storage,contractile protien.

4 0

3 years ago

If someone with auburn hair has children with someone with red hair (but whose mother had black hair ) what are the genotype and

tensa zangetsu [6.8K]

The phenotype is - 75 % red and 25 %brown.

The genotype is hRhR - 25%

hBkhR - 50%

hBrhBk - 25%.

<h3><u>Explanation:</u></h3>

The cross given here is a simple dominant - recessive relationship between the three types of alleles of hair colour. The genes of this characteristics are present in autosomes, so will be segregated equally among all the sexes of the offsprings.

Now the genotype of auburn and red with black mother is given. So during gametogenesis, the gametes from the parents will be

Father - hBr and hR

Mother - hBk and hR

So, the probable combinations are hBrhBk, hBrhR and hBkhR.

The frequency of the combinations are 25%, 25% and 50% respectively.

The phenotypic ratio will be red : brown as 3:1.

6 0

3 years ago

When a cell containing an endospore (such as Bacillus subtilis) is stained with the Gram's method, the cell is stained but the e

Liula [17]

Answer:

Endospores Staining

Endospores are substances that are formed inside of specific bacterial cells which boost their survival rate in times of harsh conditions.

Gram staining alone is not sufficient to observe the endospores, which seems apparently clear when Gram-stained cells are observed.

Endospore staining employs two stains to identify endospores from other cell components.

•The Schaeffer-Fulton method employs heat to promote the primary stain (malachite green) into the endospore. Rinsing with water will well wash away the colour from the cell, as the endospore still appears to be green stained. Counterstaining pink with safranin will show the shape and location of endospores, if they are a part of the cell. The green endospores will be seen inside the pink vegetative cells or it will appear distinct from the pink cells in total. If no endospores are seen, only the pink vegetative cells will be observable.

The attached image shows a stained preparation of Bacillus subtilis revealing the endospores as green and its vegetative cells in pink coloration.

Endospore-staining procedures are essential for observing Bacillus and Clostridium, two genera of endospore-forming bacteria, production of bioterrorism agent from B. anthracis (which causes anthrax.

7 0

3 years ago