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mina [271]
3 years ago
5

Water vapor exits and CO2 enters a leaf through the

Biology
1 answer:
NikAS [45]3 years ago
4 0

It enters through the stoma.

You might be interested in
1. Does milk have glucose
VladimirAG [237]

Answer:

1.yes

2.no

3.yes

Explanation:

1.Yes. The sugar in milk comes from naturally occurring lactose, not added sugar.There are about 12 grams of natural sugar (lactose) in each 8-ounce glass, which is about the same amount of natural sugar you would find in one small banana. Flavored milk, like chocolate, does contain added sugar for flavor.

2.In lactose-free dairy, the lactose is predigested into glucose and galactose. Consequently, the lactose content may be very low (<0.1 g/L), but the glucose and galactose content of lactose-free milk will be approx. 25 g/L.There is no added sugar in plain lactose-free or regular milk.

3.milk is composed of two molecules of simple sugars—glucose and galactose—that are chemically bonded together. The enzyme lactase breaks down lactose into glucose and galactose, which are easily digested by humans.

3 0
3 years ago
How did studies of oceanic islands help scientists understand the effect of habitat fragmentation on species diversity?
Solnce55 [7]

Answer:

Revealed that island size is related to species. ... If nonnative species populations increase rapidly and they spread and displace native species they are considered invasive.

Explanation:

8 0
3 years ago
A population has 1000 individuals. A PCR analysis of the genotypes of a gene associated with Lactase persistence are: LL = 450 L
ss7ja [257]

Answer:

L allele: 0.575 (or 57.5%)

l allele: 0.425 (or 42.5 %)

Explanation:

Homo-zygous individuals have two copies of the same allele (i.e., either L alelle or l allele), while heterozygous individuals carry both alleles at a time (i.e., one L allele and one l allele). In consequence:

- Frequency of the L allele: [(450 x 2) + 250] / 2000 = 0.575

- Frequency of the l allele: [(300 x 2) + 250] / 2000 = 0.425

3 0
3 years ago
Indicate the order of events for how an action potential will transmit across a chemical synapse.I. Synaptic vesicles fuse to th
Genrish500 [490]

Answer:

B

Explanation:

once neurotransmitters are released into the synaptic cleft, it binds to its receptors at the postsynaptic membrane. voltage gated calcium channels open and allows calcium to flow in, an action potential is generated immediately and reaches the end of the axon

8 0
3 years ago
Read 2 more answers
The slow accumulation of genetic changes to an influenza virus over time is referred to as _______.
Ivenika [448]

Answer:

<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.

Explanation:

Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.

The antigenic drift occurs in the influenza A virus and also the influenza B viruses.

Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>          

8 0
3 years ago
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