In this type of mutation, one or two nucleotide pairs are inserted into or deleted from DNA:

During muscle contraction, which of the following shortens?

Which of the following is part of the appendicular skeleton?

If a transcribed DNA strand is 5’ATCTGTTAGA 3′, then the corresponding sequence of RNA is:

The parasympathetic nervous system has what effect on the heart’s pacemaker?

What is the function of the tricuspid valve?

1. Prevents the backflow of blood from the right atrium to the right
2. Prevents the backflow of oxygen-rich blood from the right ventricle to the right
3. Prevents the backflow of carbon dioxide-rich blood from the right ventricle to the right
4. Assure the unidirectional blood flow

The target tissue for luteinizing hormone is the

What type of hormones enter their target cells?

What can be the genotype of a person of Rh+ blood group?

When the ribosome moves down the mRNA strand during translation, and amino acids are added one by one to the polypeptide chain, the process is called:

The possible pattern of inheritance of phenylketonuria

What can be the component of a DNA?

1. nucleotides
2. nucleoside-diphosphates
3. one phosphate – one deoxyribose – thymine
4. one phosphate – one deoxyribose – uracil
5. one phosphate – one ribose – thymine

What does cardiac output depends on?

Which statement is wrong?

Which statement is wrong?

Each ribosome is composed of:

Out of the following vitamins which ones are water soluble?

1. Vitamin C
2. Vitamin D
3. Vitamin B complex
4. Vitamin K
5. Vitamin A

Which match is correct for the enzyme and its product?

1. Maltase – glucose
2. Lipase – glycerol
3. Lipase – glycerol and fatty acids
4. Pepsin – short polypeptides
5. Sucrose – glucose and maltose

What is true about viruses?

1. they are procaryotes
2. they need host cells for their reproduction
3. Herpes is caused by a virus
4. they contain either DNA or RNA as hereditary material
5.  AIDS is caused by a virus.

Which structures are made from tubulin?

1. mitotic spindle
2. centrioles
3. myofilaments
4. ribosomes
5. flagella