The body contains about 100 000 000 000 000 cells. Work out how many red blood cells there would be. Show your working

What are the nutrients in pizza dough

Which of the following pairs is not correctly matched? a. sarcolemma - muscle fiber plasma membrane b. transverse tubule - generate ATP c. mitochondria - produce ATP for muscle contractions d. sarcomere - functional unit of the myofibril

two unknown Pea plants are crossed. 75% for 3/4 of the plants have axial flowers and 25% or 1/4 have terminal flowers. what are the genotypes of the parents?

Which cell layer becomes the integumentary system?

Which describes an Eukaryotic cell, but not a prokaryotic cell?

What affects about 1% of chronic alcoholics and involves a defect in remembering recent events?

What is the most common method used to count a large species population? A. Estimating B. Sampling C. Guessing D. A pencil and paper

Which of the following is true about DNA mutations? A. Mutations can only occur in the body cells of an organism. B. Mutations can only be caused by environmental factors such as radiation. C. Mutations can spontaneously occur during DNA replication.

How is a door hinge like the joint in your knee

Which biome receives 200 to 400 cm of rain per year? A) deciduous forest B) temperate rain forest C) taiga D) grassland