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4 years ago

Which is an example of class evidence?

Biology

2 answers:

Harrizon [31]4 years ago

5 0

B. Kerosene is a commonly used thing which makes this the correct answer

Neko [114]4 years ago

3 0

Answer: I'm pretty sure it's B

Explanation:

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In foxes, silver-black coat color is governed by a recessive allele (b) and red color by its dominant allele (B), Determine the

MaRussiya [10]

Answer:

a. Genotype ratio= 1/2 BB: 1/2 Bb

Phenotype ratio= All red

b. Genotype ratio= 1/2 Bb: 1/2 bb

Phenotype ratio= 1/2 red: 1/2 silver black

c. Genotype ratio= All Bb

Phenotype ratio= All red

Explanation:

a. pure red x carrier red:

Genotype of parents: pure red (BB) x carrier red (Bb)

Genotype ratio of progeny= 1/2 BB: 1/2 Bb

Phenotype ratio of progeny= All red

b. carrier red x silver-black

Genotype of parents: carrier red (Bb) x silver-black (bb)

Genotype ratio of progeny= 1/2 Bb: 1/2 bb

Phenotype ratio of progeny= 1/2 red: 1/2 silver black

c. pure red x silver black

Genotype of parents: pure red (BB) x silver black (bb)

Genotype ratio of progeny= All Bb

Phenotype ratio of progeny= All red

4 0

3 years ago

A sedimentary rock that shows ripple marks has been found. What do the ripple marks tell about the area where the rock formed?

morpeh [17]

D is your answer hope this helps

7 0

3 years ago

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During ________, a ribosome assembles a polypeptide whose amino acid sequence is specified by the nucleotide sequence in a molec

Kitty [74]

This phase would be the translation, during which mRNA is translated into a sequence of amino acids, a polypeptide.

3 0

3 years ago

A scientist wants to study the interactions of different birds in the southern part of a desert. What should the scientist do fi

kati45 [8]

Answer;

C.Identify each bird species by using a dichotomous key.

Explanation;

-A dichotomous key is a tool that is used to determine the identity of items in an ecosystem or a particular habitat, such as trees, birds, wildflowers, mammals, reptiles, rocks, and fish. To study the interactions of different birds , identifying each birds species using a dichotomous key would be an important and appropriate step.

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3 years ago

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This is a type of protein found in the cell membrane, which regulates the coming and going of substances into or out of the cell

natita [175]

Answer:

Gated ion-channels

Explanation:

These ion channels are protein molecules that act as a passageway which span across the cell membrane allowing the movement of ions from one side of the membrane to the other. They possess the ability to open and close in response to either chemical or mechanical signals.They possess a fluidic pore, which becomes available to ions after a conformational change in the protein structure has been activated causing the ion channel to open. Based on the stimulus to which they respond, ion channels are divided into three groups: voltage-gated, ligand-gated and mechano-sensitive ion channels. Channels responding to electrical (voltage-dependent ion channels), mechanical, or chemical (ligand-gated ion channels) stimuli open and allow rapid ion movement into or out of the cell, and this movement creates an electrical signals.

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4 years ago