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tiny-mole [99]
3 years ago
10

9.

Biology
2 answers:
Rudik [331]3 years ago
8 0

Answer:

There are 4 types of chromosome

1.Metacentric

2. Submetacentric

3.Acrocentric

4.Telocentric

Explanation:

Chromosome are found with in the nucleus of most living cells and consist of DNA that is tightly wound into threads like structure.

Chromosome can also be classified depending on their length, number,and arm size.

pickupchik [31]3 years ago
3 0

Explanation:

Chromosomes in humans can be divided into two types: autosomes (body chromosome(s)) and allosome (sex chromosome(s)). Certain genetic traits are linked to a person's sex and are passed on through the sex chromosomes. The autosomes contain the rest of the genetic hereditary information.

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Need help ASAP, TY plz answer if you know it
11Alexandr11 [23.1K]

Answer:

root hairs → 1. absorbs water and nutrients from the soil

vascular tissue → 2. consists of xylem and phloem

chloroplast → 3. the site of photosynthesis inside the cell

stem → 4. holds the leaves up high into the sunlight

leaf → 5. acts like an umbrella to absorb light  

terminal bud → 6. the growing part of the stem

taproot → 7. roots that reach deep into the ground

Explanation:

I have been able to match each term to its correct description.

From the above, we will discover that these are parts of a plant. These parts of the plant enable the plant to carry out photosynthesis and to exist.

The root hairs of the plant absorbs water and nutrients from the soil. When such are absorbed, the vascular tissues help to transport them.

The vascular tissue consists of the xylem and phloem. They  transport fluid and nutrients inside the plant. The vascular tissue is associated with two meristems which are the vascular cambium and the cork cambium. It is at the chloroplast that photosynthesis occur; where light energy is converted to chemical energy.

The stem holds the leaves firmly in order to project it to the sunlight. The leaf absorb sunlight which is needed for photosynthesis. The terminal bud is actually the part of the stem that is growing out. Taproot reach deep down the ground in search of water for the plant.

4 0
3 years ago
What are constants or controlling variables in an experiment? What would be some constants from the experiment mentioned above?
lawyer [7]

Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.

3 0
3 years ago
A cactus cell comes to you with the following complaint: "I AM SOOoo
andreev551 [17]

photosynthesis?

Explanation:

7 0
3 years ago
PLZZZ HELP ASAP THANKS :))))
Tatiana [17]

Answer:

I think it is Physical change

3 0
3 years ago
How do humans obtain the nitrogen they use in their bodies
olya-2409 [2.1K]
<span>Most organisms, including humans, can't use the free gaseous form of nitrogen found in the air. We need other organisms and natural processes to "fix" nitrogen into a solid form that plants and animals can use. Most of the nitrogen that plants and animals use is made by bacteria.</span>
3 0
4 years ago
Read 2 more answers
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