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Elan Coil [88]
2 years ago
5

Lactase is classified as which of the following macromolecules?

Biology
1 answer:
sdas [7]2 years ago
8 0

Answer:

Explanation:

I don't know

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Which of the following usually has the most adverse effect on an individual?
Viefleur [7K]

Answer:

deletion of a chromosome.

Explanation:

Changes usually occur in the nuclear material (chromosomes) of a cell. These changes are called MUTATION. A mutation, depending on how it occurs, consists of different types. Mutation can result into deletion of a chromosome or addition of a chromosome.

Deletion mutation is the removal of a part of the chromosome segment or chromosome while Insertion mutation is the addition of a part of the chromosome segment to the original chromosome. Both insertion and deletion can be detrimental to the organism as it can lead to the serious genetic disorders, however, deletion of a chromosome has the most adverse effect.

During deletion mutation, information encoded in a particular chromosome is lost completely which can make the resulting individual deficient of certain traits that makes him/her normal but in Insertion mutation, a different chromosome is added which can sometimes be beneficial to the resulting organism e.g can confer resistance to certain unfavorable condition.

3 0
3 years ago
Read 2 more answers
In pea plants, the allele for yellow seeds (Y) is dominant over the allele for green seeds (y). Describe the genotypes and pheno
Phoenix [80]

Homozygous Dominant: YY

- A pure yellow pea pod

Homozygous Recessive: yy

- A pure green pea pod

Heterozygous: Yy

A yellow pea pod.


Recessive traits are only displayed when the genotype contains two recessive alleles.

6 0
3 years ago
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Natural selection occurs because of all of the following EXCEPT –
zepelin [54]

D

Some populations are related to others

3 0
3 years ago
Thalidomide and l-dopa, shown below, are examples of pharmaceutical drugs that occur as enantiomers, or molecules that _____.
klemol [59]

Answer;

-are mirror images of one another.

Thalidomide and l-dopa, shown below, are examples of pharmaceutical drugs that occur as enantiomers, or molecules that are mirror images of one another

Explanation;

-Enantiomers are chiral molecules that are mirror images of one another. Furthermore, the molecules are non-superimposable on one another. This means that the molecules cannot be placed on top of one another and give the same molecule. Chiral molecules with one or more stereocenters can be enantiomers.

Enantiomers have identical chemical and physical properties in an achiral environment. They rotate the direction of plane polarized light to equal, but opposite angles and interact with other chiral molecules differently.

4 0
3 years ago
Help right now plzzz HURRY NOOW NOW NOW 2 ATTACHMENTS GIVING A BRAINLIEST ANSWER ALL 4
sergey [27]
21. on first attachment is secondary succession
22. is the degree of variation of life....
genetic, species or ecosystem within a specific area, system or planet

23. the last one is wrong = )
3 0
3 years ago
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