Which of the following organs is part of the respiratory system? lungs heart skin stomach

Which statements correctly compare alleles and genes? A. Alleles are alternative forms of instructions. Genes carry instructions to create proteins. B. Alleles carry DNA instructions. Genes decode DNA instruction to make proteins. C.

What basic type of connective tissue acts as packing material?

What condition can result from neurofibrillary tangles and amyloid plaques? a. hearing loss b. alzheimer's disease c. parkinson's disease d. abnormal fmri results?

The cells of smokers often use anaerobic respiration more than those of non-smokers. Suggest one substance in cigarette smoke that may cause this. [1 mark] Explain why this substance has this effect. [2 marks]

What function is performed by both goblet cells and lacrimal glands? A. digestion B. stress regulation C. protection D. growth regulation

Complex carbohydrates are all made from the same subunits but differ in structure? what might they also differ in?

What is a naturas or human-made body of water surrounded by land

The land area that supplies water to a river system is called a divide. true or false

How could antibacterial resistance rapidly spread in a bacterial population being treated with an antibiotic?

What happens to energy that isn't transferred to the next trophic levels?