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iren2701 [21]
3 years ago
14

List two functions of the cell wall in plant cells.

Biology
1 answer:
dlinn [17]3 years ago
5 0

Answer:

The function of chloroplasts is Photosynthesis

The cell wall is composed of cellulose fiber, polysaccharides, and proteins.

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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
How do dogs and birds both use DNA as instructions for building their bodies even though they are very different organisms
Hitman42 [59]

Answer:

Both birds and dogs use DNA as instructions for building their bodies even though they are very different organisms because DNA of all the organism are made up of same four type of base adenine, thymine, cytosine, and guanine. These bases make genetic code that is universal in all the organisms.

Explanation:

hope it hlp

8 0
2 years ago
The andromeda galaxy is located approximately 2.5 million light- years from earth. Why is the light that reaches earth 2.5 milli
Ivan
So, the Sun's light takes about 8.3 minutes to reach us. This means that we always see the Sun as it was about 8.3 minutes ago. ... The nearest large galaxy to us, Andromeda, is 2.5 million light-years away. So, we see Andromeda as it was 2.5 million years in the past.
5 0
2 years ago
The maltose molecule can be broken down into two individual glucose molecules with the help of an enzyme produced within a cell.
Naily [24]
Increasing its pH because then the enzyme wont be ablr to work properly
7 0
3 years ago
Read 2 more answers
What is the best definition of a eukaryotic cells
DerKrebs [107]
Cells that are mainly (alive) and that have more then 1 cell

PROKARYOTES ARE SINGLE CELLED ORGANISMS
7 0
3 years ago
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