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2 years ago

The biosphere (life) is composed primarily of water and ____.

Biology

1 answer:

ra1l [238]2 years ago

5 0

That would be living things.
Because...
Biosphere= living things
Lithosphere= land
Hydrosphere= water
Atmosphere= air

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An inherited characteristic that gives an organism an advantage

kherson [118]

Natural selection: organisms with certain inherited traits that are more likely to survive and reproduce than others.

These favorable traits can give an organism an advantage by giving them a higher chance of survival and reproduction. Darwin called this, "survival of the fittest"

5 0

3 years ago

Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and

Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type possible genotypes

Type A AA, AO

Type B BB, BO

Type AB AB

Type O OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired homozygous smooth haired

P gen SS x ss

F1 gen. Ss

phenotype: wire haired

8 0

3 years ago

Enzymatic catalysis of the peptide bond between the growing polypeptide and the next incoming amino acid takes place in which bi

Kay [80]

Answer:

A site

Explanation:

During the process of translation, ribosomes play a major role in connecting mRNA codons with tRNA anticodons. Ribosomes are composed of two subunits which consist ofproteins and rRNA. The tree sites of ribosomes are:

P site or peptidyl site-this site binds to the tRNA which holds the growing polypeptide chain.

A site or acceptor site-this is a site of peptide bond formation between the growing polypeptide and the next incoming amino acid

E site or exit site-the site for the final binding of t-RNA .

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2 years ago

An engineer is building a new steel skyscraper in a area with a lot of Earthquakes, Compare two systems (fixed based system and

Leokris [45]

Answer:

<h2>Base isolated system</h2>

Explanation:

Fixed based system:-

A fixed-base building (built directly on the ground) will move with an earthquake’s motion and can sustain extensive damage as a result.

Base isolated system:-

A base isolation system is a method of seismic protection where the structure (superstructure) is separated from the base (foundation or substructure).

Hence,

A base isolated system is much more better in a area where there are a lot of earthquakes. 

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3 years ago

Plz help How can you tell where sugar enters the blood

Fittoniya [83]

It entera from your body to the middle and then to the back and again.

7 0

3 years ago

Read 2 more answers