Describe how building-block molecules combine to form each of the four types of biological macromolecules

1 answer:

3 0

<span>The building blocks for lipids are three fatty molecules and one glycerol molecule.They join to form a simple fat, or triglyceride. Proteins building blocks are amino acids. Amino acids are small molecules that contain carbon, hydrogen oxygen, and nitrogen atoms. Nucleic acids building blocks are nucleotides which are connected to form long chains,</span>

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The purpose of mendel's experiments with dihybrid crosses was to determine whether

pshichka [43]

to determine whether traits can be inherited independently

Explanation:

the use of dihybrid crosses allowed him to discover the law of independent assortment / discovering that each locus had 2 alleles which segregate during the creation of gametes.

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1 year ago

The ____________ functions as a gateway through which chemicals and small particles, such as ____________ enter or leave the cel

Vilka [71]

Answer: cell membrane

such as water, micro-organism

physical process

simple diffusion, osmosis and filtration

such as potasssium permaganate in water,urea a liver waste diffuses from the body and the kidney help in filtering it out

physiological processs

active transport, phagocytosis and pinocytosis

such as soduim-potassium pump, exocytosis

Explanation: transportation in and out of cell is done in different ways listed above but a barrier to this movement is the cell membrane which is an outer covering of the cell. it protect the cell and only some materials can penetrate the cell membrane e.g micro-organism, water e.t.c. the various physical and physiological processes are the various ways substance cna be liquid, solid or gas are transported within or outside the cell e.g food

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3 years ago

In how many ways can nine members of committee sit at the round table so that secretary and the joint secretary are always the n

MaRussiya [10]

Answer:

1440

Explanation:

Members except president, secretary and joint secretary = 9−3=6

Their arrangement = 6!

No. of arrangements of secretary and joint secretary at wto places

=2!=2

Total arrangement =2×6!

2 x 6! = 1440

7 0

2 years ago

Read 2 more answers

Reproductive structures of a plant are produced by the plant's leaves.

Mumz [18]

This statement is false.
The reproductive structures are able to be produced in the roots.

I hope this has answered your question, good luck on your assignment.

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3 years ago

Shown are some cell structures and events associated with enzyme synthesis. The function of the ribosome is to

Kobotan [32]

Produce protein and decode messages from peptide bonds — hope im not too late !

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2 years ago