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Simora [160]
3 years ago
13

Chromosomes are strands of ADN wrapped around​

Biology
1 answer:
babymother [125]3 years ago
3 0

Answer:

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

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Association between a fungus and plant roots is called
seraphim [82]

Answer:

Explanation:

Mycorrhizae are symbiotic relationships that form between fungi and plants. The fungi colonize the root system of a host plant, providing increased water and nutrient absorption capabilities while the plant provides the fungus with carbohydrates formed from photosynthesis.

8 0
3 years ago
Read 2 more answers
Three consequences of removing all trees from our schoolyard
Julli [10]

Explanation:

  • natural habitats will be destroyed.
  • population (especially birds) will decrease.
  • might affect future biology researches.
6 0
3 years ago
Collecting tubules merge to form the ducts of bellini. <br> a. true <br> b. false
MA_775_DIABLO [31]

It is true that the collecting tubules merge to form the ducts of Bellini.

Papillary ducts or collecting ducts or the renal collecting tubules were formerly known as the ducts of Bellini. They are structures which are present in the distal portion of the collecting ducts in our kidneys.

These ducts are formed when collecting tubules merge. They receive the renal filtrate, which is the precursor to urine, from a number of medullary collecting ducts and it empties into a minor calyx. These ducts regulate the reabsorption of water and also balances the electrolytes.

Hence option a is the correct option.

To learn more about collecting tubules here

brainly.com/question/15210961

#SPJ4

3 0
2 years ago
Blue eyes are dominant to red eyes in rabbits show a heterozygous blue eyed rabbit crossed with a red eyed rabbit
Sveta_85 [38]
so let's say blue eyes are B
and red eyes are b
the outcomes of a punnett square for this situation are Bb, Bb, bb, bb
so there is a 50% chance for blue eyes and a 50% chance for red eyes
5 0
3 years ago
Increase genetic variation among species came about as a result of
Margarita [4]

Answer: It is as a result of Genetic Mutation.

Explanation:

Mutation and sexual reproduction result in increased genetic variation.

Mutation is the change in genetic content or DNA of an organism. It can be as a result of mutagens or errors during DNA replication. When there is mutation in reproductive cells such as sperm or egg, it can be pass to the next generation. The new traits will become permanent if it is subject to natural selection.

Sexual reproduction involves the transfer of new genes from the parents and to the offsprings which lead to new phenotypes and these can help the organism to adapt to it's environment.

3 0
3 years ago
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