How does xylem differ from phloem?

A. Xylem is made of living cells.

B. Xylem transports water.

C. Xylem has a one-way flow.

D. Xylem is found in the stem.

Which two organ systems regulate homeostasis in our bodies? A. nervous and endocrine B. cardiovascular and respiratory C. nervous and cardiovascular

What is found in a cytoplasm of a cell

Is nonflowering a gymnosperms or angiosperms?

A new herbal supplement is on the market that claims to build immunity and prevent illness. The best response to this claim is to:

The yellow ring inside the bacterial cell represents the bacterial DNA. Why does this structure disappear by step 3 (this is when replication of viral nucleic acid and protein and envelope.) of the lytic cycle?

What is true for an amoeba, a clock, or both.

The genes on a chromosome were represented as abcdefgh. after chromosomal breakage the order was found to be abcefgh. which type of change has occurred in chromosomal structure

The failure of homologous chromosomes to separate during meiosis is called a. skin disorders b. translocation. c. nondisjunction. d. Down syndrome.

As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) increases and energy decreases.

The most obvious source of gene flow into any population is A) Emigration B) Immigration