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4 years ago

Which layers form Earth’s rigid, mobile tectonic plates?

Biology

2 answers:

DIA [1.3K]4 years ago

8 0

Crusts and uppermost mantle

Inessa [10]4 years ago

8 0

The solid, outer layer of the Earth that consists of the crust and the rigid ... The thick layer of rock between Earth's crust and core ... Formalong plate boundaries that move apart or collide.

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Why fish have smooth scales on their body

Makovka662 [10]

Answer:

Explanation:

Fish have scales for many reasons. Firstly, to protect the skin of the fish from attacks from predators, parasites and other injuries. Secondly, scales overlap each other in the same way that an armour would protect a person. Hence, providing a layer of protection for the fish.

5 0

3 years ago

Read 2 more answers

Why does it make biochemical sense that chaperones recognize hydrophobic surface area? What catastrophic event are chaperones me

dexar [7]

Answer:

Molecular chaperons in the cells helps in protein folding. These are the group of proteins that have functional similarity and they also assist protein folding.

They have the ability to prevent the non specific binding and aggregation by the binding of the non native proteins.

Molecular chaperons helps in recognizing the hydrophobic surfaces of the unfolded proteins because they themselves are hydrophobic in nature and will combine to the hydrophic binding and bonding.

This helps in guiding the protein to folding.

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3 years ago

What is the name of the structure labeled A in the diagram below?

antiseptic1488 [7]

Structure A is the mitochondria

8 0

4 years ago

Read 2 more answers

Which is an example of a parasite and host relationship?

Ber [7]

Answer:

Tape worm and a human

Explanation:

This is because a tape worm is a parasite that destroys and eats the nutrients in the human intestines to live while killing the human.

7 0

3 years ago

Read 2 more answers

In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The al

Lerok [7]

Answer:

The parent's genotypes are:

Ddpp - tall, white parent

ddPp - dwarf, purple parent.

Explanation:

This question involves two different genes coding for height and flower color in pea plants. The alleles for tallness (D) and purple color (P) are dominant over the alleles for dwarfness (d) and white color (p) respectively.

According to this question, a tall plant with white flowers is crossed with a dwarf plant with purple flowers to produce the following proportion of offsprings: 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white.

Since some of the offsprings contain recessive alleles for both or either genes, the dominant traits of the parent is controlled by an heterozygous genotype. This means that the tall plant with white flowers has a genotype: Ddpp while the dwarf plant with purple flowers has the genotype: ddPp. In a cross between Ddpp × ddPp, 1/4 of each combination of alleles is produced in the offsprings (see punnet square in the attachment).

3 0

3 years ago