When does replication occur?

1) Before a cell divides

2) when the body needs to repair itself.

3) After a cell divides

4) Everyday for skin cells.

Lola makes a list of what she learned about spiral galaxies. Which statement does Lola need to correct, and why? 1. They are made of bulges and arms. 2. The bulges contain mostly old red stars. 3.

When does differentiation begin in a human embryo? day 4-5 day 10 day 25-26 day 50

Which of the following infectious disease agents is the smallest? A Bacteria B Virus C Fungus D Parasite

Biology answers many questions, but its main focus is ... A. how living organisms interact and function. B. how people and animals interact and live. C. the animals of the Earth and their environment. D. the history of life on Earth.

What structure of dispersion describes high densities of individuals in certain resource-rich areas and low densities elsewhere?

Peritoneal organs are completely covered in a serous membrane and have a dorsal and ventral mesentery.

All organisms need energy to function. Which cell organelle provides this energy? nucleus chloroplast vesicle ribosomes

Which of the following is an SI base unit for time? Decades Hours Minutes Seconds

Can you eat scandium

In a multicellular organisms, organs carry out a variety of life function. in a single cell ed organism, these functions are performed by?