11.

Which of these is selectively permeable?
(1 point)

door

window screen

wall

mirror

12.

The process that releases energy without using oxygen is ____.
(1 point)

photosynthesis

respiration

osmosis

fermentation

13.

The chromosomes in the nucleus of a cell contain a code known as ____.
(1 point)

RNA

mitosis

meiosis

DNA

14.

A cell that has two of every kind of chromosome is ____.
(1 point)

haploid

diploid

an egg

a sperm

15.

Each human skin cell has ____ pairs of chromosomes.
(1 point)

13

18

23

46

16.

In ____ a body part regrows and may form a new organism.
(1 point)

fission

budding

regeneration

sexual reproduction

My answers:
11. window screen
12. fermentation
13. DNA
14. diploid
15. 23
16. regeneration

I do not know!!

11, 12, 13, 14 are correct

15 and 16 are incorrect.

Number 15: The normal human diploid cell (this includes skin cells) has 46 chromosomes. 23 from each parent.

Number 16: Budding is when a part is lost and a new organism may grow from the lost part. Regeneration is when the lost part regrows on the original organism not a new organism.

To "Anonymous": Actually, my answers to 15 and 16 were correct.

I see my mistake in 15...pairs.

16...not so much. Regeneration doesn't include the ability to form a new organism after the loss of a body part.

All of your questions are correct you are a very smart girl you don't need to ask for help do your studies and you will get it right if you get some wrong that is okay just study some more you will learn from your mistakes! I PROMISE

PEACE OUT!

All of your anwsers are correct you are very SMART you don't need help on your homework yeh sometimes you make mistakes but that is how you learn in life you need to learn how t othings on your own to prepare for collage and what happens if someone cheats you and gives you all the wrong anwsers when your anwsers were all correct you could have had an A so come on trust in yourself

PEACE OUT!

11. To determine which of these options is selectively permeable, we need to understand what the term means. Selectively permeable refers to a membrane or barrier that allows certain substances to pass through while restricting the passage of others. In this case, out of the given options, the only one that fits this description is the "window screen." A window screen allows air and small particles to pass through while blocking insects and larger objects.

12. The process that releases energy without using oxygen is known as "fermentation." To arrive at this answer, we can eliminate the other options and consider what we know about each process. Photosynthesis is the process by which plants convert light energy into the chemical energy of glucose using carbon dioxide and water, requiring the presence of oxygen. Respiration is a metabolic process that involves the use of oxygen to obtain energy from food. Osmosis is the movement of water molecules across a selectively permeable membrane. Fermentation, on the other hand, is an anaerobic process that produces energy without the presence of oxygen.

13. The chromosomes in the nucleus of a cell contain a code known as "DNA." This is a basic biological fact. DNA (Deoxyribonucleic acid) carries the genetic information that determines an organism's traits and heredity.

14. A cell that has two of every kind of chromosome is "diploid." In biology, the term "diploid" refers to a cell or organism that contains two sets of each chromosome, one inherited from each parent. This is the typical chromosome complement of most somatic cells in humans.

15. Each human skin cell has "46" pairs of chromosomes. This is the correct answer because human cells, except for sex cells, are diploid and contain two sets of 23 chromosomes each, resulting in a total of 46 chromosomes.

16. In regeneration, a body part regrows and may form a new organism. This process is different from fission, budding, and sexual reproduction. Fission is a method of asexual reproduction where an organism splits into two or more separate organisms. Budding is a form of asexual reproduction where a new individual develops from an outgrowth or bud on the parent organism. Sexual reproduction involves the fusion of gametes from two parents to produce offspring. Regeneration primarily refers to the regrowth of lost or damaged body parts, which can sometimes lead to the formation of a new individual.