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2 years ago

Thread-like structures that are found in the nucleus of a cell that contains all DNA. *

Biology

1 answer:

maria [59]2 years ago

3 0

Answer:

chromosomes

Explanation:

Thread-like structures that are found in the nucleus of a cell that contains all DNA. Each chromosome is made of protein and a single molecule of DNA. Human cell nucleus contains 46 chromosomes or 23 pairs. Half of these chromosomes come from one parent and half come from the other parent.

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Which of the following is an example of a chemical change?

valina [46]

Answer:

Baking a cake

Explanation:

The reason why is because everything mixes to become one thing. so while everything was mixing and getting baked, it was chemically changing

3 0

1 year ago

Why is weeding flower beds so imprortant?

Maurinko [17]

Answer:

It's important to rid your garden of weeds because they rob your soil and your plants of important nutrients and water.

Explanation:

For Example: Certain weeds such as nut grass actually reduce crop yield on farms because their roots release chemicals that are harmful to surrounding plants.

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3 years ago

Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the in

Talja [164]

Answer:

I think this should be the chart you were interested in...

Explanation:

Individual Shape in shaded

phenotype pedigrees

Male with gen. TT PTC taster square No

Male with gen. Tt PTC taster square No

Male with gen. tt Non-taster square Yes

Female with gen. TT PTC taster Circle No

Female with gen. Tt PTC taster Circle No

Female with gen. tt Non-taster Circle Yes

*gen- genotype

4 0

2 years ago

where might we see changes in concentration in nature and how could these changes affect living organisms?

tekilochka [14]

Answer:

Explanation:

Any change in the climate of an area can affect the plants and animals living there, as well as the makeup of the entire ecosystem. Some species are already responding to a warmer climate by moving to cooler locations. ... Climate change also alters the life cycles of plants and animals

7 0

2 years ago

Hey ! what is the difference between a habitat and a niche?

AnnZ [28]

Answer:A habitat is the place where an organism lives while a niche is that organism's role within that environment.

Explanation:

6 0

3 years ago

Read 2 more answers