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3 years ago

8

Why isn't the squirrel included in the same order as the Fox, Panda, Bears? (Hint: What features do the other mammals have that

the squirrel doesn't?)

1 answer:

Eduardwww [97]3 years ago

7 0

Because squirrels don’t prey on other animals

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Neurons have special proteins in the cell membranes that control the flow of charged ions. Are these proteins most likely produc

Zielflug [23.3K]

The ribosomes on the rough endoplasmic reticulum (RER) most likely produces neuronal special proteins.

Explanation:

Conduction of electrical impulses by action potentials of neurons takes place through controlled flow of charged ions through neuronal membranes. This ion transfer is controlled by specialized neuronal channel proteins which are present in the neuronal cell membrane.

These channel proteins allow for hydrophillic passage of ions and water molecules across the neuronal membranes.

Ribosomes that are attached to the RER are involved in protein synthesis. They carry the code for proteins carried by the mRNA and translate into respective protein.

The RER along with some free ribosomes cluster together as Nissl bodies and are mainly involved in neuronal specialized proteins.

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3 years ago

In a world that has fewer plants, how would the environment be affected? There would be more oxygen. There would be more carbon

Kazeer [188]

There would be more Carbon Dioxide because plants use CO2 when they go through photosynthesis.

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3 years ago

The trait for medium-sized leaves in iris is determined by the genetic condition PP'. Plants with large leaves are PP, whereas p

loris [4]

Answer:

See the answer below

Explanation:

Medium size leaves genotype = PP'

Large leaves genotype = PP

Small leaves genotype = P'P'

Red flower genotype = RR

Pink flower genotype = RR'

White flower genotype = R'R'

Two plants each with medium-sized leaves (PP') and pink flowers (RR') were crossed.

PP'RR' x PP'RR' (let PP' = Aa and RR' = Bb)

Progeny and expected phenotypes

1 PPRR - large leaves, red flower = 1/16 x 640 = 40 seedlings

2 PPRR' - large leaves, pink flower = 2/16 x 640 = 80 seedlings

2 PP'RR - medium leaves, red flower = 2/16 x 640 = 80 seedlings

4 PP'RR' - medium leaves, pink flower = 4/16 x 640 = 160 seedlings

1 PPR'R' - large leaves, white flower = 1/16 x 640 = 40 seedlings

2 PP'R'R' - medium leaves, white flower = 2/16 x 640 = 80 seedlings

1 P'P'RR - small leaves, red flower = 1/16 x 640 = 40 seedlings

2 P'P'RR' - small leaves, pink flower = 2/16 x 640 = 80 seedlings

1 P'P'R'R' = small leaves, white flower = 1/16 x 640 = 40 seedlings

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3 years ago

What are the sides of the DNA ladder made of?

Oxana [17]

Answer:

The sides of the ladder are made of alternating sugar and phosphate molecules. The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases. Two of the bases are purines- adenine and guanine.

Explanation:

can you mark me brainliest

7 0

2 years ago

Read 2 more answers

Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemic

SIZIF [17.4K]

I thought of it as that the black walnut trees will thrive better than plants nearby as the toxic chemicals produced by the trees can harm or make it more difficult for other plants to thrive

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3 years ago