Explain why the nucleus is so Important to the living cell.

Which tissues are characterized as being highly cellular but avascular?

A) nervous and muscle tissues

B) muscle tissues only

C) epithelial and connective tissues

D) epithelial tissues only

E) nervous and connective tissues

Why are ribosomes the most important organelle?

Vocabulary: Understory

The highest point on the San Francisco Peaks is 3.851 km above Earth's surface. Earth's radius is approximately 6,400 km. What is the approximate distance from the summit of the highest point on the San Francisco Peaks to the horizon? Round to the nearest kilometer.

Fill in each blank so that the resulting statement is true. The domain of $y=\cos ^{-1} x$ is ____ and the range is ____.

A very bright light bulb uses 150 joules of energy every second. An average fast-food burger contains 350 Calories of energy. If the energy of the burger could be converted to electricity without any energy loss, how long would the energy from the burger light the bulb?

Invite an exchange student to visit your class to describe eating patterns and table etiquette in the person's home country. Find out what you would need to know to eat politely in that country.

Which organelle contains genetic material and controls most cell activities? (1) nucleus (2) cell membrane (3) vacuole (4) endoplasmic reticulum

Let f be a function defined on an open interval I containing a. Show $f^{\prime}(a)$ exists if and only if there is a function $\epsilon(x)$ defined on I such that $f(x)-f(a)=(x-a)\left[f^{\prime}(a)-\epsilon(x)\right]$ and $\lim _{x \rightarrow a} \epsilon(x)=0$.

A tennis ball of mass m traveling with velocity $\left\langle v_{x}, 0,0\right\rangle$ hits a wall and rebounds with velocity $\left\langle- v_{x}, 0,0\right\rangle.$ What was the change in the magnitude of the momentum of the tennis ball?

Use Newton’s method to approximate, to within $10^{−4},$ the value of x that produces the point on the graph of y = 1/x that is closest to (2, 1).

Kara uses a model that shows slight changes to Earth's motion through space over many thousands of years. This model helps her explain long-term climate change due to what variable? A. volcanic activity B. meteor or asteroid strikes C. ocean circulation D. carbon dioxide levels in the atmosphere E. input of solar energy

Elements that are shiny, malleable, ductile, good conductors of heat and electricity, and make up most of the periodic table are ____.