A cell has a defect that results in the loss of its ability to regulate the passage of materials such as water, food and
wastes into and out of the cell. In which of the following cell structures is this issue most likely to be found?
a. Ribosomes
b. Cell membrane
c. Chloroplasts
d. Endoplasmic reticulum

Most pneumonia infections are caused by a virus or bacteria. What characteristic could scientist use to distinguish an infection caused by bacteria from an infection caused by a virus? Group of answer choices The bacteria would grow by itself outside the person. The virus would have DNA. The bacteria would make another person sick. The virus would have proteins.

A species is a group of organisms capable of mating and producing offspring, and speciation is the process of forming a new species.

One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert.

After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths will...

24. List some examples of cell specialization?

why inter-sectoral cooperation is important in tackling environmental problems? ​

which of the following can cause a decrease in dissolved oxygen in the water ?

a. a small population of fish
b. a large number of plants
c. excessive plant debris
d. lack of animal life

What is the main function of glycolysis in cellular respiration?
O A. To make water molecules
B. To make glucose molecules
C. To breakdown water molecules
D. To breakdown glucose molecules

How many calories are in a mg of sodium?? Please help i’m bout to end my life

A change in the sequence of a nucleotide in DNA could result in which of the
following?

A.) The end protein will be a different protein but there will be NO change in its
function.

B.) The end protein will be a different protein that could cause a change in its
function.

C.) The DNA would stop working.

D.)The end protein will be the same protein as before the change.

What can be used to measure the rate of photosynthesis

3. The change in temperature during summer is due to
*

11
33
G
49 51
CT 1
2
RS
mommy
104 105 103
601
to Oy
102
>
.
Use the periodic table to answer the questions below
11. Sodium is an element found in table salt. What group is Sodium in? * 15
(1 Point)
Enter your answer

A chemical bond formed when two atoms share electrons is called a(n) _____ bond

(A)polyatomic
(B)crystal
(C)covalent

✨Thanks✨

(BRAINLIEST QUESTION) Transcription makes mRNA copies from DNA. For this reason transcription must take place in the ____________ of the cell.

Cytoplasm

Nucleus

Ribosomes

Endoplasmic reticulum


I think it's B

When a rapidly moving cold air mass overtakes a slow-moving warm air mass, the result is a(an)

Why are cells stained?
1 point
To make the cell turgid
To nourish the cell.
To help in cell multiplication.
To highlight the cell organelles.

What would a doctor give to a patient to relieve the symptoms of flu?

​

I’m not sure what the answer is.

The cycle that is critical for the formation of organic compounds is the ___cycle.

In 1787, a group of representatives from the states wrote the United States Constitution. What is the Constitution?

2 The body has to always maintain a constant internal environment. For example, the hormones
aldosterone and antidiuretic hormone (ADH) help regulate the balance of bodily fluids by causing the
kidney to excrete or retain fluids and electrolytes. This constant regulation of hormones and bodily fluids
to maintain balance is an example of which cellular process?
F) Active Transport
G) Negative Feedback
H) Positive Feedback
J) Homeostasis

What do all Organism Need? Select three Options
Nervous System
A Place To Live
Blood
Water
Food

ASAP!! sugars can be classified as which biomolecule?

Mrs. Cobble has two guinea pigs, one black male and one white female. They 2 white babies

and 5 black babies. Why?

2. Why
are animals phalanges fused
together?

Observing a human tissue sample under a microscope would be an example of what division of anatomical study?

What are the products of this reaction?


- H2O and O2

- H2O2 and H2O

- O2 only

20. Which of the following is/are a base?
HCI
KOH
H20
H2SO4
NaOH

Drag the numbers to put the following steps in the correct order.
As electrons move down the ETC, a H+ gradient is made.
The Krebs cycle produces ATP, NADH and CO2.
Ht pass through the ATP synthase to make ATP.
NADH gives electrons to the ETC.
In glycolysis, glucose is split into two pyruvate and makes some ATP.

The main components of the plasma membrane contain hydrophobic and hydrophilic regions that give the membrane selective permeability. Which of the following is the
main component that creates the hydrophobic and hydrophilic regions? (3 points)
a. Cholesterol molecules creating membrane fluidity
b. Carbohydrates for cell recognition
c. Glycolipids containing hydrophobic lipid portion
d. Phospholipids containing hydrophobic fatty acids tails

Need Help Earth Science: Due in 3 minutes

Which of the following is not an example of a fossil:

Question 1 options:

A) petrified wood


B) coprolite


C) amber


D) mud