Explain what is meant by the term 'conservation of mass'. Give your answer in terms of the atoms that take part in a chemical reaction. (3 marks)

When discussing population features a cohort is described as question 6 options: a all individuals living in the same habitat. b all the different species in a community. c all the organisms interacting in the ecosystem.

The concentration of sugar is higher inside a cell than outside the cell. The concentration of water inside the cell is lower than it is outside. Sugar cannot pass through the cell membrane.

The presence of organic material in soil makes it more productive for plant growth.

Mitochondria store the energy released when they burn glucose as

The major event that occurs during the first stage of birth is (a) dilation of the cervix. (b) delivery of the foetus. (c) bursting of the membranes. (d) expulsion of the afterbirth.

Baltes (1993) identified three factors that make a person wise: (1) general personal conditions such as mental ability; (2) specific expertise conditions such as mentoring or practice; and (3) :

Place three sentences from the list into the correct order to describe the synthesis of atp by atp synthase. only three sentences are accurate; four are inaccurate. scroll down to see all the phrases.

Which of the following molecules is an example of a nucleoside analog?

Which statement about the composition of ocean water is true? A. the composition of ocean water varies within seasons B. the composition of ocean water varies with depth C. the composition of ocean water is the same within the entire ocean D.

When a person with type O blood donates to whom can the blood be given