Which property of muscle tissue gives the ability to contract and relax

Biology

2 answers:

givi [52]3 years ago

7 0

presence of actin and myosin

aleksklad [387]3 years ago

6 0

To stretch without damage

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Which of the following is an advantage of sexual reproduction over asexual reproduction?

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Answer:

1. Leads to mixing of genetic materials hence variation within species

2. Leads to offspring with hybrid viguor that tend to show high and adaptability to environmental conditions.

3. Variations due to sexual reproduction leads to improvement of species hence evolutionary changes that may bring about specialisation

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Jordan is doing a science fair project on the effects of music on the growth of tomatoes. He has two tomato plants, Plant A and

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What holds the monomers of a single strand of nucleic acid together in a chain?

Tpy6a [65]

Answer:

Nucleic acids are of two types DNA and RNA which are made up of monomeric units called nucleotides.

One monomer is one nucleotide which further consists of three parts:

1: Nitrogenous base

2: Sugar (a ribose sugar in RNA and a deoxyribose sugar in DNA)

3: Phosphate group

Explanation:

If we talk about single strand of nucleic acid DNA or RNA, there is a phosphodiester linkage that holds monomers together in a strand of nucleic acids. This phospho di ester linkage is formed when a condensation reaction occurs between a hydroxyl group of two sugars and a phosphate group.

You can see a better representation in attached figure.

Hope it help!