Which of the following is true of conifers? a
The sporophytes grow directly from the gametophyte

b
The spores release from the gametophyte

c
The gametophytes grow directly from the sporophyte

d
The spores release from the male cones

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

24. how are vaccines used to keep people healthy?

Conservationists to restore ecosystems. which activity will positively affect the abiotic conditions of an ecosystem?