Which statements are correct concerning human DNA?

a. It contains 23 chromosomes

b. It contains 46 chromosomes

c. Each strand contains chromosomes from one parent.

d. Each chromosome contains 23 genes.

A recreational lake experiences eutrophication because of excess nutrients. Based on this information, how would the recreational lake most likely appear?

Bob is curious about why his white bread grows mold so quickly. So he asks a question, does some research, creates a hypothesis, and sets up his experiment. He wants to see if his white bread will grow mold in the refrigerator.

The process of copying a gene's dna sequence into a sequence of rna is called what?

What is the purpose of using a pedigree? to study the causes of traits that are acquired during an organism's life to understand patterns of inheritance in organisms to determine mating patterns in organisms to identify traits that are acquired

This is the loss of water from the leaves of a plant

The process by which plants convert sunlight into chemical energy is cellular respiration diffusion mitosis photosynthesis

Which structure is an example of a hinge joint?

Shivering and sweating are two techniques that mammals use to a) adapt to the temperature b) develop a rise in body temperature C) maintain homeostasis d) use excess energy

During the process of cellular respiration, energy is released from (1) carbon dioxide (3) water molecules (2) oxygen atoms (4) chemical bonds

Protist get energy by