Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?

a phloem cells

b companion cells

c parenchyma cells

d guard cells

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Your are a microbiologist. The owner of a restaurant hires you to examine a sample of preserved vegetables that appears to have spoiled in its can. The metal can only contains vegetables and water.

New hair cells divide and grow in the hair:

Once labor begins in childbirth, contractions increase in intensity and frequency, causing more contractions to occur until delivery. The increasing labor contractions of childbirth are an example of what type of regulation?

When creating mRNA How much of the DNA is used

If you toss a coin five times and it lands heads up each time, can you expect the coin to land heads up on the sixth toss? Explain.

What are the two identical strands of a chromosome called? A. centromeres B. centrioles C. spindles D. chromatids

What kingdom does a mushroom fall into

What is the number of individuals that die in a population in a certain time period called?

Which is NOT true about Balanced Forces?

Water is involved in