Why do meteorites that hit earth provide evidence of the composition of Earths Interior?

The Produces secondary phloem and xylem tissue, adding to a tree's girth

The strands of DNA molecule run in the opposite directions? True False

What happens if you increase the thickness of a membrane what happens to the rate of diffusion?

Dead skin cells are shed in thin sheets because they are held together by "spots" of proteoglycan reinforced by intermediate filaments. Such strong intercellular connections are called A) tight junctions. B) intermediate junctions. C) desmosomes.

What is common between the enivormental changes of ice ages and global warming? Hurry will mark brAinliest!

1. true false Carbon atoms form the building blocks of most living things.

Inhibiting enzymes involved in cell wall synthesis leads to which of the following? A) cell death by osmotic lysisB) a reduction in protein synthesisC) the incomplete synthesis of the bacterial cell wallD) a reduction in the amount of usable energy

In the 20th century where did the most ecologically destructive oil spill in the US

Which of the activities listed below are functions of the Lymphatic System? 1 transports lipids to the blood 2 transports lipid-soluble vitamins to the blood 3 drains excess interstitial fluid from tissue spaces and returns it to the blood 4

Under which circumstances must facilitated diffusion be used instead of simple diffusion?