The main function of cellular respiration is to produce adenosine triphosphate (ATP) for cellular activities. ATP is used in all the following EXCEPT A) active transport of ions and molecules (glucose) across cell membranes
B) causing skeletal muscle movement and heart contractions
C) osmosis of water across the cell membrane
D) movement of chromosomes during anaphase of cell division

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.