How do animals obtain energy?

Smooth Endoplasmic Reticululm 1. transports proteins 2. synthesizes and stores lipids 3. gives structure to the cell 4. not an organelle, just an extension of the mitochondria

HER2 is a receptor tyrosine kinase. In 30 percent of human breast cancers, HER2 is permanently activated, resulting in an unregulated cell division.

Which best describes the tertiary structure of a protein? A. The interaction of polypeptide subunits and prosthetic groups B. Interactions forming hydrogen bonds between the amino acids C. The sequence of amino acids in the polypeptide chain D.

Describe what happens to DNA and mRNA after transcription and translation

Why are single-stranded binding proteins necessary for DNA replication? a. They direct where replication will start. None of the answer options is correct. b. They provide the energy necessary to separate the two strands of DNA. c.

How does the filtration membrane prevent certain substances from entering the filtrate?

What important function does the control of body temperature serve in chordates?

Match the chemical signal with the appropriate description. a. chemicals produced by neurons that function as hormones b. chemicals that act locally on nearby cells c. chemical secreted by presynaptic terminal d.

States that all plants and animals are composed of cells and cell products, all cells come from preexisting cells, and cells are the smallest unit of life

Albinism, lack of pigmentation in humans, results from an autosomal recessive gene designated a. two parents with normal pigmentation have an albino child. what is the probability that their next child will be albino?