In humans, having unattached earlobes is the result of a dominant gene, and having attached earlobes is a recessive trait. if a woman with attached earlobes has a child with a man who is homozygous for unattached earlobes, which of the following best describes how the child's earlobes would most likely appear?

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.

Match each description to the level of organization